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By using EDTA

What is the diff b/n OVI and Residual solvents

1 Answers  

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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 are using only lead standard solution for Heavy metals test? what is the purpose of this?

4 Answers   Divis Laboratories,

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IF THE COMPOUND PKA IS 5.3 WHY WE ARE ADJUSTING PH+/-2 OF THE COMPOUNDS PKA. WHAT IS THE CONDITION

2 Answers   Dr Reddys, Reddy Labs,

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Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?

7 Answers   Cipla,

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In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

2 Answers   Teva Pharmaceuticals,

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why is salt andv ice used in liquifyiny SO2

1 Answers   Graviti Pharmaceuticals,

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what is the defination of accuracy & presicion?

8 Answers   Amneal Pharmaceuticals, GSK,

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what is peak purity ??

10 Answers   Cipla, Zyg Pharma,

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what are the important specifications for a Column ?

2 Answers  

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what is difference between Performance check and Calibration?

1 Answers  

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Definition of beers_ lamberts law

4 Answers   Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,

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