Sulfate Standard, 100 Ppm (1mL = 0.1mg SO4), 500 mL

Sulfate Standard 100 ppm by Exaxol, catalog number S66361-500, is an aqueous sulfate standard at 100 ppm (1 mL = 0.1 mg), used to prepare calibration and check standards. Available in 500 mL from MBP, a registered vendor to many research institutes across the USA.