Azinphos-ethyl, 10µg/mL in Isooctane, 10ml

Chloroparaffin C13 55.03% Cl, 10μg/mL in CY, 1ml

ISO 7981-2 Single substance Kit

Tetracycline 13C22,15N2 dried down 2.5 µg/mL, 5 x 1ml