1.Preparation of Calibration solution-
Prepare 1000 ppmn solution of NaCl (Sodium Chloride or Table Salt).For this take 1000 mg or 1 gm Nacl in a 1000 ml volumetric flask and dissolve in small quantity of water.Make up to the mark.Also make a dilution of 500 ppm NaCl by taking 50:50 Distilled Water and 1000 ppm NaCl.One can also use KCl(Potassium Chloride) in place of NaCl.
2.Dip the electrode of TDS meter into 1000 ppm and 500 ppm NaCl solution.If meter is showing the different results then set the value to the known concentration i.e. 1000 ppm or 500 ppm.
3.Now take the reading of the sample.
Prepare 1000 ppmn solution of NaCl (Sodium Chloride or Table Salt).For this take 1000 mg or 1 gm Nacl in a 1000 ml volumetric flask and dissolve in small quantity of water.Make up to the mark.Also make a dilution of 500 ppm NaCl by taking 50:50 Distilled Water and 1000 ppm NaCl.One can also use KCl(Potassium Chloride) in place of NaCl.
2.Dip the electrode of TDS meter into 1000 ppm and 500 ppm NaCl solution.If meter is showing the different results then set the value to the known concentration i.e. 1000 ppm or 500 ppm.
3.Now take the reading of the sample.
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