Chlorhexidine dihydrochloride, certified, 0.25g

17 alpha(H),21ß(H)-(22S)-Homohopane, 50µg/mL in Isooctane, 1ml

Phenols Standard #1

Tris(2-ethylhexyl) phosphate, 1.2ml x 50ug/ml, toluene