Exaxol Alkalinity Standard, 1000ppm (1.0ml=1.00mg as CaCO3)

Alkalinity Standard 1,000 ppm as CaCO3 by Exaxol, catalog numbers A0045-500 and A0045-1, is an aqueous alkalinity standard at 1,000 ppm (1.0 mL = 1.00 mg CaCO₃), used to prepare calibration and check standards. Available in 500 mL and 1 L from MBP, a registered vendor to many research institutes across the USA.