why we are performing residue on ignition?

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why we are performing residue on ignition?..

Answer / tushar

because in residue on ignition we find out related
Substances (inorganic element like As , Pb etc) in muffle
furnace at 600-650 degree temperature in this condition all
residual solvent vapourized and only inorganic element
remains . refer USP METHOD-II

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why we are performing residue on ignition?..

Answer / shivaji

For determination of inorganic ipurities.

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