{"product_id":"hanna-instruments-hi-6004-ph4-010-millesimal-buffer-solution-500ml","title":"Hanna Instruments HI-6004 pH4.010 Millesimal Buffer Solution, 500ml","description":"\u003cp\u003eDesigned and manufactured for those where accuracy really is vital, Millesimal buffer solutions are produced to a premium quality for customers who require a greater resolution of 0.001 for pH measurements.\u003c\/p\u003e\u003cp\u003eTo achieve the more accurate results, Millesimal Buffer solutions are available in pH1.000, pH1.679, pH2.000, pH3.000, pH4.010, pH6.000, pH6.862, pH7.010, pH8.000, pH10.010, pH11.000, pH12.000, pH12.450, pH13.000, available in 500ml, 1 litre, and handy 20ml sachets in packs of 25 for on-site or field use. The sachet single dose is safe, easy to carry and remains fresh.\u003c\/p\u003e \u003cp\u003eAll buffer packaging is colour-coded in line with pH value. Millesimal buffer solutions come with a certificate of analysis on purchase.\u003c\/p\u003e \u003ch3\u003e\u003c\/h3\u003e \u003ch3\u003eHI-6004 pH4.010 Millesimal Buffer Solution 500ml\u003c\/h3\u003e \u003cp\u003eHI-6004 is a premium quality pH 4.010 Millesimal buffer solution, National Institute of Standards and Technology (NIST) traceable and supplied with a Certificate of Analysis.\u003c\/p\u003e \u003cp\u003eOne of the most commonly used buffer solutions, it is extremely stable and represents the mid-way point in the acid range of the pH scale - ideal for those requiring an accurate acid reading, particularly those working in water purification plants, the food industry, and wherever the pH is expected to be acidic.\u003c\/p\u003e \u003cp\u003eBuffer solutions should be stored at 25 C, away from direct sunlight for accurate readings.\u003c\/p\u003e \u003cp\u003eTo correctly maintain your meter\/electrode, we highly recommend use of a Hanna cleaning solution, as well as a buffer, for maximum performance every time.\u003c\/p\u003e \u003cp\u003eHanna buffer solutions are prepared, ready-to-use, according to precise formulas and standardised in accordance with the National Institute of Standards and Technology (NIST) to ensure quality and accuracy. All solutions show a batch number, an expiry date, and the correlation table between pH and temperature. All bottled solutions are sealed with an air tight, tamper-proof seal to prevent any Carbon Dioxide from entering and causing a change in the pH buffer value.\u003c\/p\u003e \u003ch3\u003eBrowse the Hanna complete range of solutions\u003c\/h3\u003e \u003cul\u003e \u003cli\u003epH buffer solutions\u003c\/li\u003e \u003cli\u003eStandard solutions for conductivity, Total Dissolved Solids (TDS), turbidity, salinity and Ion-Selective Electrode (ISE) calibration\u003c\/li\u003e \u003cli\u003eOxidation Reduction Potential (ORP) test and pre-treatment solutions\u003c\/li\u003e \u003cli\u003eReference fill solutions for refillable electrodes\u003c\/li\u003e \u003cli\u003eGeneral and specific cleaning solutions for electrodes\u003c\/li\u003e \u003cli\u003eSolutions for electrode maintenance and storage\u003c\/li\u003e \u003cli\u003eSolutions for sample preparation\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eSolutions are available in many sizes ranging from 20ml sachets for small users to 3.78L (1 gallon) containers for large quantity usage in laboratories.\u003c\/p\u003e \u003cp\u003eFor safety and traceability, all Hanna solutions are provided with a label showing the batch number and expiry date. A certificate of analysis is available on request in line with NIST standards.\u003c\/p\u003e \u003ch3\u003eRemember:\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCalibration only counts when using fresh solutions and properly cleaned electrodes every time.\u003c\/li\u003e \u003cli\u003eRoutine maintenance will ensure accurate readings while extending the life of the electrode.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640067727733,"sku":"HI-6004","price":42.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/hi-6004-ph4-010-millesimal-buffer-solution-500ml.jpg?v=1791580328","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-6004-ph4-010-millesimal-buffer-solution-500ml","provider":"Test All Water","version":"1.0","type":"link"}