Ethanol standard in serum,1.3g/L,serum, 1.5mL

Famphur, 100 µg/ml, Acetonitrile, 5ml

Tetrahydrofuran

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.