PCB No. 65, 10 ng/µl, 10ml

13C, 15N2-Semicarbazide hydrochloride, 10mg

ISO 9377-2MOD Standard Mixture 1 of n-Alkanes and BTEX S-4423-50-5PE C7+C10+ C20+C40+BTEX in n-Pentane Determination of Hydrocarbon Oil in Water Index 10 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene B

4,4'-Bis(a,a-dimethylbenzyl)diphenylamine, 250mg