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Calibration Standard for HI 707 Checker HC ®
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HI707-11 is a high-quality set of calibration standards that allows users to validate the Nitrite Low Range Checker®HC - HI707. The HI707-11 includes one sealed cuvette for zero ppb nitrite and one cuvette that is tinted to an equivalent 100 +/- 10 ppb nitrite sample @ 25°C. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.
Hanna
HI9829-14/15 is for premium quality 10 ppm and 100 ppm (mg/L) Nitrate (as N) calibration standards. It is produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with…
Hanna
