Answer / ravi

retention time is the time between the injection of the solute to the the time of elution of peak maxima of the solute

Answer / pmrcrao

Retention time of a solute is taken as the elapsed time between the time of injection of a solute and the time of elution of the peak maximum of that solute.

How you collect dissolution media while in stirring condition of a basket or a paddle?

2 Answers   Mylan,

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what is the use of performing tapped density in pharmaceutical industry

1 Answers  

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WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

6 Answers   Glochem, Hetero,

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Why base line not start from zero in GC Chromatography analysis.

1 Answers   Orchid,

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what is least count of a balance? How we find out this? Any formula for least count of Analytical balance?

13 Answers   Acme Formulation, Analytical Solutions, Dr Reddys, Reddy Labs,

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I want analyze my compound at 325 nm so which standard shall i use to calibrate my HPLC system? How i can assure my hplc detector is suitable or not?

3 Answers   AMRI,

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why does used dry caffien in HPLC calibration?

0 Answers   Dishman,

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What is the reason of RT change in new column v/s old column in HPLC

3 Answers   Apex,

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how ir specrometer is calibrated ?

1 Answers  

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what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

0 Answers   GVK, Millennium,

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In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?

1 Answers   Orchid,

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which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?

1 Answers   Hetero, Mylan,

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