Aromatics Quantitative Internal Standard

2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Lauric acid diethanolamide, 1g

C21 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10ß(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 98774-61-9 / 98774-59-5