Octanoic acid, 1000mg

Trifluoromethane sulfinic acid sodium, 50μg/ml in MeOH, 5ml

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.

Sodium saccharin