5-Methyl-1,3,4thiadiazol-2-thiol

2-Pyrrolidinone

4-(2,4-Dichlorophenoxy)butyric acid 200 mg/L in Methyl-tert-butylether (MTBE) (RM, ISO GUIDE 34)

4-Aminoantipyrine

2-Ethylhexyl p-methoxycinnamate (Parsol MCX)

2-Ethylhexylphosphate

2-Ethylhexylphosphate

2,6-Dichlorophenol 100 mg/L in Methanol (RM, ISO GUIDE 34)

2,6-Dichlorophenol 1000 mg/L in Methanol (RM, ISO GUIDE 34)

2-Aminonaphthalene 2000 mg/L in Methylene chloride (Dichloromethane) (RM, ISO GUIDE 34)