2,2'-Dihydroxy-4,4'-dimethoxybenzophenone-5,5'-dis

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

2,2',4,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

17 alpha(H),21ß(H)-28,30-Bisnorhopane, neat, Solvent-neat, Unit ca. 1µg , # of units-1, Cas.no.