


Sulfate-Sulfur IC Standard 1,000 ppm by Exaxol, catalog numbers ICSSF-100, ICSSF-250, and ICSSF-500, is an aqueous sulfate-sulfur (see certificate for basis) standard at 1,000 ppm, used to prepare calibration and check standards. Available in 100 mL, 250 mL, and 500 mL from MBP, a registered vendor to many research institutes across the USA.


