Drinking Water, Environmental Reference Materials, PT Express
Residual Free Chlorine Concentrate – Blind #QCI-012B
$98.00
A 2.2 mL concentrate for determination of Residual Free Chlorine and Total Residual Chlorine. Formulated in the NELAC range of 0.5 - 3.0 mg/L. Each ampule produces 2 liters of sample. PT Express may take up to 10 business days to ship. read more