Environmental Reference Materials, PT Express, Wastewater
Low Level Total Residual Chlorine Concentrate – Blind #QCI-096B
$113.00
A 2.2 mL concentrate for determination of Low Level Total Residual Chlorine. Formulated in the NELAC range of 50 - 250 ug/L. Each ampule produces 2 liters of sample. PT Express may take up to 10 business days to ship. read more