2,3,4,5,6-Pentachlorobiphenyl-d5, 10µg/ml in CY, 5ml

Nicotinic acid, Stock solution system check EN12260, 1000µg/mL, Solvent-water, Unit 75mL, # of units-1, Cas.no. 59-67-6

Pirimiphos-ethyl, 100 µg/ml, Ethyl acetate, 5ml

Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml