Internal Reference Standard

Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL.

Pesticide Mix # 2, 100ug/ml in Acetone, 1ml

Naphthalene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 1146-65-2