Reagents
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40% NaOH solution
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2% Boric acid
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0.1N H2SO4: Standardize against standard 0.1N Na2CO3 using methyl red as indicator.
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Standard 0.01N H2SO4 solution:Prepare by diluting the standardized 0.1N H2SO4
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Mixed Indicator: Dissolve 80 mg of bromocresol green and 16 mg of methyl red in 100 ml of 95% ethanol.
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Digestion mixture: K2SO4 : Na2SO4: CuSO4 (9:1:1)
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Last modified: Monday, 19 March 2012, 6:08 AM