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

Answer / shivaji

For determination of inorganic ipurities.

what is a differance between assay by HPLC and assay by titration?

5 Answers  

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in OSD forms require to use gas chromatography?

0 Answers  

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if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?

1 Answers   JBCPL,

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why using factor 1.00639 in burette calibration of kf

1 Answers   Cipla,

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what is the conductivity of hplc grade water?

4 Answers  

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How to determine retention time in Chromatography

2 Answers   Mylan,

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When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?

2 Answers   Torrent Pharma,

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Generally for Normal Phase HPLC,stationary phase is Polar.In place of polar if we take non-polar means what happened & why?

7 Answers   Macleods,

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What is the limit for single maximum impurity limit as per USP??

1 Answers  

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Why void volume(time in seconds) 1 in hplc system suitability

1 Answers  

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What is the lab normality??

3 Answers   DRL, Tagros,

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why we wre doing linearity siudiec in hplc method validation

3 Answers   Cipla,

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