Calculation of estimation of glycerol by titration method with sodium thiosulphate
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Weigh out accurately 5 grams of glycerin, dilute to 100 cc. ... Cool, add one gram of potassium iodide, and after standing 10 minutes, dilute with 150 cc. of water. Titrate the liberated iodine with N/10 sodium thiosulphate and calculate the percentage of glycerin.
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