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What is the difference between ROI & sulphates ash?



What is the difference between ROI & sulphates ash?..

Answer / b.gangatharan

There is no difference b/w procedure,both are same. In Indian pharmacoepia it is called as ROI and in USP called it as sulphated ash.both are used for determination of content of inorganic mater in organic substance.
Thanks,
Gangatharan.B

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