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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what is GLP? Which industries it requried?

1 Answers   Aurobindo, AXIS Clinicals, GVK,

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What is difference between Potency & purity

3 Answers  

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How we can identify process related and degradation impurity in single method with short period?

0 Answers  

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What is Band broading effect explain

0 Answers   Dr Reddys,

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how can give the expiry period and restadardisation of volumetric solution

0 Answers   Meenaxy Pharma, SRF,

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What is heavy water

3 Answers   Meghmani Organics,

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why salisylic acid not using now days for disdolution calibration?

0 Answers  

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what is weight veriation in pharma industry ? plz explain me

1 Answers  

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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

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How to start the dissolution development for unknown tab?

0 Answers   IPCA,

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USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

0 Answers   Srini Pharmaceuticals,

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