how do you established the RRF for unknown impurity

6 Answers   Square Pharma,

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what is Beer Lambert low ?

8 Answers   MAN,

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is there any material other than caffene to calibrate hplc detector

13 Answers   Biocon,

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what is the peak purity concept?

5 Answers   Graviti Pharmaceuticals, Vimta Labs,

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

0 Answers   Petronas, Shanghai Ocean University,

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In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?

1 Answers  

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why we multiply 1000 in the determination of kf factor ?

3 Answers   Stellence Pharm Science,

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What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

0 Answers  

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difference between calibration and validation

2 Answers   Mylan,

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how to calibrate hplc & gc

0 Answers   Cipla,

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if you have given one product then how you determine the impurity in that?

0 Answers  

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only one end point is possible for citric acid and we get 2 end points for di acid why?

3 Answers   Reddy Labs,

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