Answer Posted / analyticalstudent

about method developement in hplc

1662

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What is diffrence between extractable volume and deliverable volume? Answer pls

4494

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How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3301

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Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

685

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What is related substance by HPLC impurity limits as per USP?

1030

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we can use expired sample for validation and analyst qualification?

748

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What is the purpose of octyl silane columns?

4245

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Why Ethanol is Used for Standardization of GC Head space?

4155

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What is a difference between potency and purity?

1154

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Did anybody have method for acetyl cysteine effervescnce tablet

2198

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

1984

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How to establish relative response factor for hplc. Why it is required?

1147

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if you given one product then which tests you will perform?

662

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Which parameter require to do for analytical method equivalency?

727

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how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2528

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