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Nitrogen Standards
Nitrogen standards can be confusing, because Nitrogen exists in so many forms and nomenclature is not always consistent. Our practice is to name each standard according to the species being measured. Full story...

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Products > Standards > BOD / COD Standards > R2226250

R2226250

Chemical Oxygen Demand Standard, 25 mg/L COD

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R2226250-4A

4 L

natural poly

12 months

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