PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

1,2,3,4,6,8,9-Heptachlorodibenzofuran, 1.2ml x 50ug/ml, toluene

Hexadecyltrimethylammonium Bromide, >98%, 25g

Ethyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219795-53-5