Ammonia as Nitrogen Cation IC Single-Component Standard from Ammonium Chloride at 1,000 µg/mL in H2O.
Can be used as stock solution for colorimetric methods EPA 350.1, 351.2 and SM-4500-NH3-D and G.
ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:2016 accredited.
12 month expiration date.