Environmental Reference Materials,  PT Express,  Wastewater

Settleable Solids – Blind #QCI-126B

A natural solid for quantitative transfer to a 1 liter Class A volumetric flask with dilution to 1 liter in reagent water. Formulated in the NELAC range of 5.0 - 50 mL/L. Each vial produces 1 liter of sample. PT Express may take up to 10 business days to ship. read more