Nitrogen from Nitrite Anion IC Standard from Sodium Nitrite at 100 µg/mL in H2O. 250 mL. 18 months expiry date. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited. Can be used as stock solution for EPA Methods 353.2, SM-4500-NO2B and 300.1.
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