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 3385. 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.