2,4-DB-methyl ester, 250mg

Sulfamethazine, 100μg/mL in Acetonitrile, 1ml

Petrochemical Qualitative Standard C5-C9 5 Analytes, equal Wt.%; unit: 1x1mL neat Use in combination with Petrochemical Quantitative Standard (S-4144) to prepare a calibration mixture covering C5 to C44 for calibrating retention times for boiling po

trans-Chlordane, 10.0 µg/ml, Ethyl acetate, 10ml