Home pageProductsReference standards and chemicals in small quan...High Purity Standards (HPS)Water standardsDrinking water hardness quality control Drinking Water Hardness - Ca: 30-90 mg/L, Mg: 2-20 mg/L. Calcium Hardness as CaCO3: 75-225 mg/L. Total hardness as CaCO3: 83-307 mg/L. Concntrations vary depending on lot. 500 mL. Expiry Date: 1 year Ask question

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Product no.:WQC-HARD-DW-500
Manufacturer:High Purity Standards
71.89 €*

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