Perfluoroheptanoic acid

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Sodium hyaluronate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 9067-32-7

n-Alkanes C10-C40 (even + some uneven) 24 Analytes, each 100µg/mL in dichloromethane; units: 1x5mL, 1x10mL in screw-capped bottle. This standard includes all the even n-paraffins C10-C40 + extra addition of some uneven n-paraffins C10-C40. C10 C17