5-star Rated Hanna Instruments-9829-10 10ppm 25 X Sachets (25ml) For Hanna Instruments-7609829-10 Ammonium Ise Easy Assembly [JOlc8usM]

Hanna Instruments-9829-10 is for premium quality 10 ppm and 100 ppm (mg/L) Ammonium (as N) calibration standards. These standards are used to calibrate the Hanna Instruments-7609829-10 ammonium ISE.

Each 25ml sachet has a visible lot number and expiry date. The sachet is made of light block and air-tight foil ensuring freshness each time one is used. The Hanna Instruments-9829-10 contains 10 sachets, each of the 10 ppm and 100 ppm Ammonium Calibration Standard (as N).

All calibration buffers are made to a premium quality, produced in accordance with ISO 3696/BS3978 standards using high purity salts, de-ionised water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers.