Carbon disulfide, 5000 µg/ml, Methanol, 1ml

1,3-Diphenylguanidine, >98%, 25g

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

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane