{"product_id":"hanna-instruments-hi-70009c-ph-9-18-buffer-sachets-25-x-20-ml-sachets-certificate-of-analysis","title":"Hanna Instruments HI-70009C pH 9.18 Buffer Sachets,  25 x 20 mL sachets \u0026 certificate of analysis","description":"\u003cp\u003eAchieve accurate pH readings and check your meter and electrode is functioning correctly with Hanna buffer solutions. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eHI-70009C – 25 x 20ml sachets pH 9.18 buffer solution\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eThe pH 9.18 buffer solution in quick and easy to use 20ml sachets is ideal for those requiring an increased accuracy to alkaline testing, particularly suitable for those working in water purification plants, the food industry, aquatics, and Hydroponics, and in any environments where the pH is expected to be alkaline. Hanna Microprocessor pH meters can be calibrated at pH9.18 and pH10.01.\u003c\/p\u003e \u003cp\u003eThe single dose sachets are really handy with each sealed sachet holding just the right amount of solution. Each time a meter or electrode is calibrated using the Hanna sachets, it is like using a newly opened bottle of solution!\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits of individual packaging\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIdeal for users who do not calibrate frequently\u003c\/li\u003e \u003cli\u003eIdeal for field use due to portability\u003c\/li\u003e \u003cli\u003eEvery sachet is as fresh as the day it was packaged\u003c\/li\u003e \u003cli\u003eLight block packaging prevents oxidation from UV light that could alter the buffer value.\u003c\/li\u003e \u003c\/ul\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. pH4, along with pH7, can also be used as an emergency storage solution.\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. A certificate of analysis is available on request. 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 \u003cp\u003e\u003cb\u003eBrowse the Hanna complete range of solutions\u003c\/b\u003e\u003c\/p\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 \u003cp\u003e\u003cb\u003eRemember:\u003c\/b\u003e\u003c\/p\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 \u003cp\u003e\u003cb\u003eUseful information:\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eColour Coding for 1L and 1 gallon bottles:\u003c\/p\u003e \u003cp\u003epH 4.01 - Red\u003c\/p\u003e \u003cp\u003epH 7.01 - Green\u003c\/p\u003e \u003cp\u003epH 10.01 – Violet\u003c\/p\u003e \u003cp\u003eAll calibration buffers are made to a premium quality, produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionised water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers.\u003c\/p\u003e \u003cp\u003eAll bottles meet with FDA Standards (US Food and Drug Administration).\u003c\/p\u003e \u003cp\u003e\u003cb\u003e*Millesimal and Technical Buffer solutions explained\u003c\/b\u003e\u003c\/p\u003e \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. Accuracy can be guaranteed at +\/- 0.002 @ 25 C.\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.\u003c\/p\u003e \u003cp\u003eFor those requiring a greater spectrum, as well as increased accuracy to readings, Hanna also manufacture a Technical Buffer solution range which share the accuracy of standard buffers, +\/- 0.01 @ 25 C, and feature two extra pH levels, \u003cb\u003epH1.00\u003c\/b\u003e and \u003cb\u003epH5.01\u003c\/b\u003e, along with pH4.01, pH6.86, pH7.01, and pH10.01.\u003c\/p\u003e \u003cp\u003eBoth technical and Millesimal buffer solutions come with a certificate of analysis on purchase.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57640069923189,"sku":"HI-70009C","price":42.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/ph-9-18-buffer-sachets-25-sachets-of-ph-9-20ml-complete-with-cer.jpg?v=1791580415","url":"https:\/\/testallwater.co.uk\/products\/hanna-instruments-hi-70009c-ph-9-18-buffer-sachets-25-x-20-ml-sachets-certificate-of-analysis","provider":"Test All Water","version":"1.0","type":"link"}