2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

PCB No. 52, 10µg/mL in Isooctane, 10ml

Coronene-d12, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 16083-32-2

Fuel Oil Degradation/Retention Time Mix C17-C20 4 Analytes, each 2,0mg/mL in CS2:CH2Cl2 (1:1); unit: 1x4.5mL in Certan® Use this standard for the quantification of C17/Pristane and C18/Phytane ratios. Heptadecane C17 Octadecane C18 Pristane (2,6,10,