{"title":"pH and EC Electrodes","description":null,"products":[{"product_id":"hanna-instruments-1053b-ph-electrode-for-use-with-semi-solids","title":"Hanna Instruments-1053B pH Electrode for use with Semi-Solids","description":"The Hanna Instruments-1053B is a glass bodied refillable single junction combination pH electrode with a spear tip measuring tip and suitable for pH measurement of fats and creams, soil samples, semi solid product, low conductivity samples and emulsions.\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-1053B is a glass bodied refillable single junction combination pH electrode with a spear tip.\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eIdeal for\u003c\/h3\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eFats or creams\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSoil samples\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSemi-solid products\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eLow conductivity samples\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eEmulsions\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch3\u003eSupplied fitted with\u003c\/h3\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eBNC connector\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e1m cable\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354375663767,"sku":"HI-1053B","price":230.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-1053b_ph_electrode_for_use_with_semi-solids_259e5deb-41f9-4fa3-b617-d35cc8af8ebd.jpg?v=1624278834"},{"product_id":"hanna-instruments-4111-iodine-combination-electrode","title":"Hanna Instruments-4111 Iodine Combination Electrode","description":"The Hanna Instruments-4111 is ideal for a variety of applications in food production and environmental monitoring.\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4111 iodide selective electrode is a complete potentiometric cell that contains a silver\/silver chloride (Ag\/AgCl) reference housed within a PEI plastic body with a potassium nitrate electrolyte. The internal elements are isolated from the sample by a compressed silver iodide sensing membrane.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eHanna’s solid state combination ISEs are designed with a cone style junction. The skirted cone geometry of the sensor forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor the Hanna Instruments-4111 to measure iodide accurately, it is important that the ionic strength of the standards and sample be adjusted to a high and constant value with the halide ionic strength adjuster (ISA) solution. The halide ISA ensures that the activity coefficient is constant so the concentration of free iodide ions can be measured. Measuring all solutions with a constant ionic strength reduces the margin of error between measurements. The Hanna Instruments-4111 iodide solid state ISE can measure from 0.1µM (0.01 mg\/L) to1M (127,000 mg\/L).\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354386772119,"sku":"HI-4111","price":940.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-4111_iodine_combination_electrode_2aeb85d0-6cb3-48a0-95e8-ca6abc2cb268.jpg?v=1624279152"},{"product_id":"hanna-instruments-4114-potassium-combination-ise-electrode","title":"Hanna Instruments-4114 Potassium Combination ISE Electrode","description":"The Hanna Instruments-4114 is ideal for a variety of applications in wine, agriculture, and water analysis.\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4114 is a Potassium Combination ISE ideal for the determination of Potassium ions in wine, waters, soils and biological samples.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4114 potassium ion selective electrode is a complete potentiometric cell that contains a silver\/silver chloride (Ag\/AgCl) reference housed within a PEI plastic body with a sodium chloride electrolyte. The internal elements are isolated from the sample by an organic polymer sensing membrane.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eHanna’s liquid membrane combination ISEs are designed with a cone style junction. The skirted cone geometry of the sensor forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor the Hanna Instruments-4114 to measure potassium accurately, it is important that the ionic strength of the standards and sample be adjusted to a high and constant value with the potassium ionic strength adjuster (ISA) solution. The ISA ensures that the activity coefficient is constant so the concentration of free potassium ions can be measured. Measuring all solutions with a constant ionic strength reduces the margin of error between measurements. The Hanna Instruments-4114 potassium liquid membrane ISE can measure from 1µM (0.039 mg\/L) to 1M (39,100 mg\/L).\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354387951767,"sku":"HI-4114","price":1134.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-4114_potassium_combination_ise_electrode_338278d6-4c53-4683-b264-2188fcba759b.jpg?v=1624279203"},{"product_id":"hanna-instruments-7632-ec-probe-for-use-with-hanna-instruments-983302n","title":"Hanna Instruments-7632 EC Probe for use with Hanna Instruments-983302N","description":"\u003cp\u003eEC\/TDS probe for Hanna Instruments-983302N Gro'chek.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe probe is specifically made for horticulture and hydroponics applications. The probe compensates for temperature variations automatically, is easy to clean, very stable, and needs little maintenance.\u003c\/p\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section 1\" id=\"description\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 rem-p-l rem-p-r\"\u003e\n\u003cbr\u003e\u003ch3\u003eThe Hanna Instruments-7632 conductivity probe is for use with the Hanna Instruments-983302N Gro'chek.\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eThis is an amperometric probe, provided with built-in temperature sensor for automatic compensation, 2m cable and a PEI (PolyEther-Imide) protective sleeve, which resists most aggressive chemicals.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section four\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 col-sm-7 add-p-r rem-p-l\"\u003e\n\u003cbr\u003e\u003ch3\u003eAbout the Hanna Instruments-983302N EC Meter\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eA simple way to measure EC in aggressive environments associated with agriculture and hydroponics. Hang the meter right above the sample to be tested for continuous measurement and the unit will run without interruption on 12 VDC power supply, or use it for spot checks.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354392506519,"sku":"HI-7632","price":67.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-7632_ec_probe_for_use_with_hi-983302n_35b86de9-f44b-460a-b8e7-75f561abcc81.jpg?v=1624279300"},{"product_id":"hanna-instruments-12922-halo®-wireless-soil-ph-electrode","title":"Hanna Instruments-12922 HALO® Wireless Soil pH electrode","description":"\u003cp\u003eHALO® Wireless pH electrodes make pH testing simple. Take direct soil \u0026amp; soil slurry pH and temperature measurements using the Hanna Instruments-12922 specifically designed for agricultural tasks.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe HALO® has a triple ceramic junction in the outer reference cell, built-in temperature sensor, and a conic pH sensing tip made with low-temperature glass. All readings are transmitted directly to your mobile or tablet device (with Hanna Lab App) or the edge® blu.\u003c\/p\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section 1\" id=\"description\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 rem-p-l rem-p-r\"\u003e\n\u003cbr\u003e\u003cp\u003eHALO® Wireless pH electrodes make pH testing simple. Take direct soil \u0026amp; soil slurry pH and temperature measurements using the Hanna Instruments-12922 specifically designed for agricultural tasks.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThe HALO® has a triple ceramic junction in the outer reference cell, built-in temperature sensor, and a conic pH sensing tip made with low-temperature glass. All readings are transmitted directly to your mobile or tablet device (with Hanna Lab App) or the edge® blu.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section four\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 col-sm-7 add-p-r rem-p-l\"\u003e\n\u003cbr\u003e\u003ch3\u003eHanna Instruments-12922 HALO® Wireless Soil pH electrode\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-12922 HALO® is a glass pH electrode that incorporates Bluetooth Smart (Bluetooth 4.0) wireless technology with an application-specific design. It has many features that make it ideal for use in agricultural applications, specifically in direct soil \u0026amp; slurry measurements.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThese features include:\u003c\/p\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eLow-temperature (LT) glass, conical tip, glass body, and triple junction design\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eEasily connects to the Hanna Lab App at the press of a button via Bluetooth® wireless technology\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eVisible from a distance, the LED “halo” light flashes to indicate the status of the probe\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eThe HALO’s CR2032 lithium ion battery is easily replaceable and lasts for approximately 500 hours\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003ch1\u003eLow-Temperature Glass Formulation\u003c\/h1\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-12922 is suitable to use with samples that measure from -5 to 70°C.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003ch1\u003eConical Glass Tip\u003c\/h1\u003e\n\u003cbr\u003e\u003cp\u003eThe conical shaped tip design allows for penetration into solids, semi-solids, and emulsions. The Hanna Instruments-12922 is ideal for the direct measurement of pH in soil and soil slurries.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003ch1\u003eGlass Body\u003c\/h1\u003e\n\u003cbr\u003e\u003cp\u003eThe glass of the Hanna Instruments-12922 is resistant to many harsh chemicals and is easily cleaned. The glass body also allows for a fast transfer of heat to the internal reference electrolyte. The mV response generated by the reference cell is temperature dependent. The faster equilibrium is reached, the steadier the reference potential.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003ch1\u003eTriple Ceramic Junction\u003c\/h1\u003e\n\u003cbr\u003e\u003cp\u003eThe triple ceramic junction allows a higher flow rate of electrolyte from the reference cell into the measurement sample. The increased flow rate of 40 to 50 μL\/hour provides greater continuity between the reference electrode and the indicating electrode.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003ch1\u003eRefillable\u003c\/h1\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-12922 features a refillable probe. A secondary reference chamber is filled with Hanna Instruments-7082 3.5M KCl. When using a refillable pH electrode the fill cap should be removed before calibration and measurement in order to create positive head pressure in the reference cell. This allows for a higher flow rate of electrolyte through the outer junction resulting in a faster and more stable reading.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354395521175,"sku":"HI-12922","price":294.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-12922_halo_wireless_soil_ph_electrode_85833569-ebb4-45f9-ad58-2163940731b2.jpg?v=1624279423"},{"product_id":"hanna-instruments-4109-cyanide-combination-ise-electrode","title":"Hanna Instruments-4109 Cyanide Combination ISE Electrode","description":"\u003cp\u003eThe Hanna Instruments-4109 is a solid state, combination ion selective electrode (ISE) for the determination of cyanide (CN-) in solution. The silver halide sensing pellet produces a potential change due to the cyanide ion exchange between the inorganic pellet membrane and the sample. The internal sensing elements are housed within a durable polyetherimide (PEI) body.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4109 is ideal for a variety of applications in plating, wastewater, and agriculture.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4109 is a Cyanide combination ISE. It is ideal to be used for the determination of free Cyanide ions in plating baths, waste water and in plant and soil samples.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4109 cyanide selective electrode is a complete potentiometric cell that contains a silver\/silver chloride (Ag\/AgCl) reference housed within a PEI plastic body with a potassium nitrate electrolyte. The internal elements are isolated from the sample by a compressed silver halide sensing membrane.\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eSolid state sensor\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSkirted cone geometry\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDetection from 0.026 to 260 mg\/L CN-\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003eHanna’s solid state combination ISEs are designed with a cone style junction. The skirted cone geometry of the sensor forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor the Hanna Instruments-4109 to measure cyanide accurately, it is important that the ionic strength of the standards and sample be adjusted to a high and constant value with the cyanide ionic strength adjuster (ISA) solution. The alkaline ISA ensures that the activity coefficient is constant so the concentration of free cyanide ions can be measured. Measuring all solutions with a constant ionic strength reduces the margin of error between measurements. The Hanna Instruments-4109 cyanide solid state ISE can measure from 1µM (0.026 mg\/L) to 0.01M (260 mg\/L).\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354396012695,"sku":"HI-4109","price":978.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/image_13606_355fdbb6-3116-4f12-80d8-bbd8a1e588e3.jpg?v=1624279441"},{"product_id":"hanna-instruments-4110-fluoride-combination-ise-electrode","title":"Hanna Instruments-4110 Fluoride Combination ISE Electrode","description":"\u003cp\u003eThe Hanna Instruments-4110 is a solid state, combination ion selective electrode (ISE) for the determination of fluoride (F-) in solution. The lanthanum fluoride crystal membrane produces a potential change due to the fluoride ion exchange between the membrane and the sample. The internal sensing elements are housed within a durable body, composed of a mixture of polyetherimide (PEI) and epoxy.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4110 is ideal for a variety of applications in drinking water treatment, environmental monitoring, and plating baths.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eSolid state sensor\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSkirted cone geometry\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDetection from 0.02 mg\/L to saturated F-\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4110 is a Fluoride combination ISE ideal for the detection of Free Fluoride in potable water, soft drinks, wine, plants, emulsified food products, plating and pickling acids.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4110 fluoride selective electrode is a complete potentiometric cell that contains a silver\/silver chloride (Ag\/AgCl) reference housed within a PEI\/epoxy body with a potassium nitrate\/potassium chloride electrolyte. The internal elements are isolated from the sample by a lanthanum fluoride crystal membrane.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eHanna’s solid state combination ISEs are designed with a cone style junction. The skirted cone geometry of the sensor forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor the Hanna Instruments-4110 to accurately measure total fluoride concentration, it is important that the pH and ionic strength of the standards and sample be adjusted to a constant value. The total ionic strength adjustment buffer (TISAB) ensures that the solution pH is between pH 5 and 8 and that the activity coefficient is constant. The TISAB solution also preferentially complexes with various metal ions, such as aluminium and iron, which tend to form complexes with fluoride ions. TISAB thus ensures that these metal ions do not interfere, permitting an accurate total fluoride measurement. Measuring all solutions with a constant pH and ionic strength reduces the margin of error between measurements. The Hanna Instruments-4110 fluoride solid state ion selective electrodes can measure from 1µM (0.02 mg\/L) to saturated F-.\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eReplaceable Sensing Modules - Combination solid state ion selective electrodes are electrodes that detect free ions in a solution. The lanthanum fluoride crystal sensing membrane is replaceable and easy to attach to the sensor body.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDurable PEI Body - The probe body is composed of a mixture of polyetherimide (PEI) and epoxy.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBNC Connection - The Hanna Instruments-4110 has a universal BNC connector for easy connection to any benchtop meter with a female BNC probe input.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354396340375,"sku":"HI-4110","price":995.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-4110_fluoride_combination_ise_electrode_4bf12a2f-f651-47a3-938b-8ca7a9bf197e.jpg?v=1624279453"},{"product_id":"hanna-instruments-4101-ammonia-combination-ise-electrode","title":"Hanna Instruments-4101 Ammonia Combination ISE Electrode","description":"\u003cp\u003eThe Hanna Instruments-4101 is an Ammonia combination Ion Selective Electrode ideal for the detection of ammonium and checking for Ammonia in wine, beer, water, waste water and soil\/agriculture.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4101 is a gas sensing, combination ion selective electrode (ISE) for the determination of ammonia (NH\u003csub\u003e3\u003c\/sub\u003e) in solution. Its PTFE membrane allows for ammonia gas diffusion into a thin layer of internal electrolyte. The internal sensing elements are within a durable Delrin® body.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eReplaceable PTFE membranes\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDurable Delrin® body\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eDetection from 0.02 to 17,000 mg\/L NH\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-4101 ammonia ion selective electrode is a complete potentiometric cell that contains both a silver\/silver chloride (Ag\/AgCl) reference and a pH measurement element. These elements are housed within a plastic body with a chloride ion-containing electrolyte, and are isolated from the sample by a gas permeable membrane made of polytetrafluoroethylene (PTFE).\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eAmmonia can exist in two different forms: ammonia as a gas (NH\u003csub\u003e3\u003c\/sub\u003e) and ammonium as the ionised form (NH\u003csup\u003e4\u003c\/sup\u003e+). The concentration of each form in a solution is dependent on the solution’s pH. The pKa is the pH value at which ammonia and ammonium are in equilibrium. The pKa of the ammonia\/ammonium relationship is 9.24; thus, at a pH of 9.24 there will be an equal concentration of ammonia and ammonium. As pH decreases, becoming more acidic, the concentration of ammonium increases and ammonia decreases. The opposite occurs as the pH increases. The actual concentration for either species can be determined by knowing the concentration of ammonia and the pH of the sample.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eFor the Hanna Instruments-4101 to measure ammonia accurately, it is important that the pH of the calibration standards and sample be raised with the ammonia ionic strength adjuster (ISA) solution. The ammonia ISA raises the pH of the solution to pH 11. Any ammonium present in the calibration standards and sample will be converted to ammonia, ensuring an accurate measurement. The Hanna Instruments-4101 ammonia gas sensing ISE can measure from 1µM (0.02 mg\/L) to 1M (17,000 mg\/L).\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354416787607,"sku":"HI-4101","price":830.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-4101_ammonia_combination_ise_electrode_cfec6938-c645-410d-add1-ce8d1f682d0a.jpg?v=1624279778"},{"product_id":"hanna-instruments-1053p-ph-combination-electrode-with-conical-tip-bnc-connector-and-pin","title":"Hanna Instruments-1053P pH Combination Electrode with Conical Tip, BNC connector and Pin","description":"pH Combination electrode with pin, glass body, triple ceramic.\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section 1\" id=\"description\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 rem-p-l rem-p-r\"\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-1053P is a refillable combination pH electrode, with conical tip, BNC connector and Pin.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThis electrode is recommended for use with fats and creams, soil samples, potable water, semi-solid products, low conductivity solutions and emulsions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section four\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 col-sm-7 add-p-r rem-p-l\"\u003e\n\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eRecommended operating temperature:\u003c\/h3\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003e-5 to 70°C\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003ch3\u003epH Range:\u003c\/h3\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003epH: 0 to 12\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cp\u003eFor fats, creams, soil samples, potable water, semi-solid products, low conductivity solutions, emulsions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354453061783,"sku":"HI-1053P","price":251.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/image_12728_8047b03f-8e06-42a8-a071-a92db7eeb900.jpg?v=1624280440"},{"product_id":"hanna-instruments-10530-ph-edge-electrode","title":"Hanna Instruments-10530 pH Edge Electrode","description":"\u003cp\u003eThe Hanna Instruments-10530 is a smart pH electrode for use with the Hanna Instruments-2020 Edge hybrid meter.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-10530 is a digital glass body, refillable, double junction pH electrode that has a built-in temperature sensor. This probe features a 3.5 mm connector designed exclusively to be used with Hanna Instruments edge® Tablet Meters.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThis design is ideal for emulsions, fats and creams, soil and semi-solid samples, low conductivity solutions, and for measuring samples at cold temperatures.\u003c\/p\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section 1\" id=\"description\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 rem-p-l rem-p-r\"\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-10530 is a smart pH electrode for use with the Hanna Instruments-2020 Edge hybrid meter.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-10530 electrode features a built-in microchip that stores sensor type, serial number, and calibration information. It also features a triple ceramic junction in the outer junction and the conical pH sensing portion is made with low temperature glass.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThis electrode features a built-in microchip that stores sensor type, ID, and calibration information that is automatically retrieved by Edge once the electrode is plugged in.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eStored pH calibration information includes: calibrated buffers, date, time, offset and slope characteristics of the electrode.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-10530 features an easy to plug in 3.5mm connector and is recommended for use in fats and creams, soil samples, potable water, semi-solid products, low conductivity solutions and emulsions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section nine\"\u003e\n\u003cbr\u003e\u003cdiv class=\"col-xs-12 col-sm-6 rem-pad-mobile rem-p-l\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-image col-xs-5 col-sm-3 circle-left\"\u003e\u003cimg alt=\"\" class=\"img-responsive\" src=\"https:\/\/www.hannainstruments.co.uk\/media\/catalog\/product\/phono_roundel_45.jpg\" title=\"\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-7 col-sm-9\"\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e3.5 Connection – Phono plug electrode connection used on HANNA smart Edge electrodes. Provides a secure, easy-to-use connection.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354494578839,"sku":"HI-10530","price":279.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/image_11605_ec0f3705-6926-4470-b84d-1a9073d1d4b7.jpg?v=1624280748"}],"url":"https:\/\/testallwater.co.uk\/collections\/ph-and-ec-electrodes.oembed","provider":"Test All Water","version":"1.0","type":"link"}