HI9829-10/11 is for premium quality 10 ppm and 100 ppm (mg/L) Ammonium (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 certified thermometers.
Convenience of individual packaging
- Ideal for field use due to portability
- Every sachet is as fresh as the day it was packaged
- pH and ionic strength stabilized