Answer / pushap raj

pH range is 0-14 because of the Ionization power of the water is (10 rase to the power -14) _14
( 10 ).

why we use vanillin in melting range calibration

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how we can identify the impurity is coming below loq at transfering site?

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how to qualify the impurity?

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USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

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what is the defination of accuracy & presicion?

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