Erythromycin, 100 µg/ml, Methanol, 5ml

PCB Congener Mix, 100µg/ml in Isooctane, 1ml

O,O-Dimethylthiophosphate-13C2, sodium salt

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