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KJEHLDAHL DIGESTION TO DETERMINE AMMONIA CONTENT (2 of 4)
Addition of recorded amount of 0.2M H2SO4
50g of the salt is dissolved in about 10 mL water. 45-50 mL of the sulfuric acid is added from a burette until the color changes significantly. A record is made of the exact amount of acid added.
Copyright:© 2001 Richard Megna - Fundamental Photographs
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