Total Dissolved Solids

alphaßß (20R,24S)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 71117-90-3

Alkalinity as Calcium Carbonate

cis-(13C10)Chlordane (a), 1.2mL x 100ug/mL, nonane