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.

some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

0 Answers   Micro Labs, VMSRF,

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WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector? what is dissolution? What is unit of KF? what is the significant of pH in HPlc?

1 Answers  

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Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

0 Answers  

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what r the parts calibrated in gc

21 Answers   ELBS, Reddy Labs,

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Which buffer is used for LC/MS mobile phase & at What Conc.

3 Answers  

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How to set specification of assay, fisdolution and related substances?

0 Answers  

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why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?

11 Answers   Aurobindo, GVK, Sohan Healthcare,

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why are using toluene in uv calibraion in resolution performance

2 Answers   MSN Pharma,

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how can we determine RRF value in HPLC FOR CALCULATION OF IMPURITY ?

4 Answers   Macleods,

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what is the lamp used in SOR?

18 Answers   Aurobindo,

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if partition coefficient value was positive means, what it indicates ?

1 Answers  

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if relative response factor is 1.07, to select how much value

1 Answers   Natco,

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