Alkalinity as Calcium Carbonate

Mix #1

2,2',3,3',5,5',6,6'-Octachloro-4,4'-dimethoxybiphenyl, 1.2ml x 50ug/ml, nonane

1,1,1,3-Tetrachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18088-13-6