Wastewater Effluent Inorganics Quality Control Standard, 500 mL

Wastewater Effluent Inorganics Quality Control Standard. Ready to use; no dilutions required. Mixed standard contains: Ammonia Nitrogen: 2 mg/L NH₃-N, Nitrate Nitrogen: 4 mg/L NO₃^--N, COD: 25 mg/L, Phosphate: 2 mg/L PO4^3-. Sulfate: 50 mg/L SO₄^2-. TOC: 8 mg/L. 500 mL Bottle