2,2',5,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2'-Dihydroxy-4,4'-dimethoxybenzophenone, 1000mg

Tetrabenzo[def,lm,grs,yz]pyranthrene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 190-65-8

ISO 9377-2Mod Standard Mixture of n-Alkanes + BTEX I S-4423-50-5PE C7+C10+ C20+C40+BTEX (without p-Xylene) in n-Pentane Determination of Hydrocarbon Oil in Water Index 9 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene