N,N-Dimethylguanidine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6145-42-2

Carbamazepine, 100 µg/ml, Methanol, 1ml

2,2’,4,4’,6,6’-Hexachlorobiphenyl (155)

n-Alkanes C10-C40 (even + pristane/phytane) 18 Analytes, each 100µg/ml in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane. n-Decane C10 n-Dodecane C12 n-Tetradecane C14 n-Hexadecane C16