2-(N-methylperfluoro-1-octanesulfonamido)-ethanol, 1.2ml x 50ug/ml, methanol

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.

Ethoxyquin, 10.0 µg/ml, Ethyl acetate, 10ml

2,2',3,4,4',5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,