Nitrogen from Nitrate from Sodium Nitrate at 100 µg/mL in H2O

Nitrogen from Nitrate Anion IC Single-Component Standard from Sodium Nitrate at 100 µg/mL in H2O. If you need to report Nitrate using a nitrate source see IC-NO 100 µg/mL Nitrate in H2O instead. This standard is traceable to NIST SRM 3185. Can be used as stock solution for colorimetric methods EPA 353.2, SM-4500-NO3-F, and NECi ATP N007-003 and IC method 300.1. 18 month expiration date.