Nitrogen from Nitrite Anion IC Single-Component Standard from Sodium Nitrite at 1,000 µg/mL in H2O.
Can be used as stock solution for colorimetric methods EPA 353.2, SM-4500-NO2-B, and IC method 300.1.
Can be used as stock solution for Nitrite as Nitrogen, EPA Method 9056A. If you need to report Nitrite using a nitrite source see IC-N-M 1,000 µg/mL Nitrite in H2O instead.
ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:2016 accredited.
18 month expiration date.