Nitrogen from Nitrate Anion IC Single-Component Standard from Sodium Nitrate at 1,000 µg/mL in H2O.
Can be used as stock solution for Nitrate as Nitrogen, EPA Method 9056. If you need to report Nitrate using a nitrate source see IC-NO-M 1,000 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.