Environmental Reference Materials,  PT Express,  Wastewater

SGT – HEM (TPH) Concentrate – Blind #QCI-129B

A 5.0 mL sample for dilution to 1000 mL. Can be used for IR methods as well as Gravimetric methods. Formulated in the NELAC range of 20 - 200 mg/L. Each ampule produces 5 liters of sample. PT Express may take up to 10 business days to ship. read more