Chief Engineer Rural Water Supply And Sanitation Odisha
pH Buffer Solution pH4. 0 CRM Chemical, pH Buffer Solution pH7. 0 CRM Chemical, pH Buffer Solution pH9. 2 CRM Chemical, pH Buffer Capsules pH 4. 0, pH Buffer Capsules pH7. 0, pH Buffer Capsules pH 9. 2, Conductivity Solution 1. 41 mS Cm- CRM Chemical, Standard Turbidity Solution **** NTUCRM Chemical, Magnesium Chloride MgCl2. 6H2O, Sodium Acetate CH3COONa. 3H2O, Potassium Nitrate KNO3, Acetic Acid 99 percent, Barium Chloride, Sodium Sulfate Anhydrous, Sulfuric Acid Conc. , Sulfate Standard Solution****ppm CR
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