Answer Posted / brahmanandareddy

In chromatography technics separation is based on analyte interaction between the stationary phase and mobile phase. This type of interaction maybe adsoption,partition,hydrophobic,polar-polar interaction

In rs method development when we are going area normalization method to dilute standard method?

1529

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how you start the solubility study?

835

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How to do regeneration of Metacarb Pb plus column?

2580

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For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4078

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What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

7551

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What are modes of quantification in related substances

2170

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how you fix the limits of impurities?

838

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What is aggregate and fragments in SEC?

2118

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Difference between the quantitative analysis and qualitative analysis?

1185

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what is mean by covalidation

786

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if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

989

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Why irmoisture balance is used for corrugated box moisture testing

2404

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How we choose the mobile phase for method development.?

1220

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why we are using hexane in calibration of number of drop per mL

1741

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which are the diffrent batches in the pharmaceuticals?

821

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