Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml

Androsterone, 100mg

2,2',3,3',4',5,5',6-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

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