Drinking Water,  Environmental Reference Materials,  PT Express

Nitrate-N Concentrate – Blind #QCI-195B

$75.00

A 21 mL concentrate for determination of Nitrate-N. Formulated in the NELAC range of 3 - 10 mg/L. Each ampule produces 2 liters of sample. PT Express may take up to 10 business days to ship. read more