COD Calibration Standard

RS210-19 HEPTANE ( 99.75%)

N-?Ethylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL,

Hexadecyltrimethylammonium bromide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-09-0