Isovaleraldehyde-DNPH, 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

PSA-C18-Mix 1

Perfluorooctane sulfonamide, 50ug/ml, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 754-91-6