Chemistry, asked by ishikaawana1395, 11 months ago

Why dmg and ammonia added in gravimetric analysis?

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Answered by Thebrainlist

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Answer:

If a high quantity of these ions is present, a greater amount of DMG must be added. The nickel dimethylglyoximate is a very bulky precipitate. ... A slow increase in the concentration of ammonia in the solution causes a slight increase in the pH gradually and results in the precipitation of the complex.

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