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Take 1 gm. N2H4 sample and make it 1000ml with DM water.Pipette out 10 ml of this sample and make it 100ml with DM Water. Add 1 gm.sodium bicarbonate and 2 gm.KI and stirr well.Add starch as an indicator. Titrate against N/10 Iodine.End Point colourless to blue.
Calculation : 12.5X V/ Weight of sample taken (1 gm.)
Manoj Srivastava
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∙ 11y ago
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