Leucine Enkephalin acetate salt, 25mg

Sodium 2-Methyl-2-propene-1-sulfonate, 25g

Petrochemical Internal Standard C14-C17 4 Analytes, equal Wt.%; unit : 25ml screw-capped bottle n-Tetradecane C14 n-Hexadecane C16 n-Pentadecane C15 n-Heptadecane C17

trans-Permethrin, 100 µg/ml, Acetone, 1ml