2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187)

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-decane sulfonate (8:2), 1.2ml x 50ug/ml, methanol

n-Alkanes C10-C40 (all +pristane/phytane) 33 Analytes, each 100µg/mL in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the n-paraffins C10-C40 + pristane and phytane.

Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2