why plane of polarized light rotated by opticaly active compunds?

1 Answers   Glenmark,

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in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.

2 Answers   Glenmark, Neuland,

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1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

0 Answers   Granules,

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what is the difference between capillary and glass column in GC

1 Answers  

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explain 5 components of gas chromatography ?

1 Answers   College School Exams Tests, Nucon,

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In capadity factor formula is K'= (RT of main compound/RT of first eluted peak)-1 in this formula what is 1

1 Answers   Piramal Healthcare,

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Nitrogen test is used for which chromatography?

1 Answers   Laurus,

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what is use of acetonitrile compare to methanol in RP-HPLC Method devlopment

7 Answers   Neuland, Orchid,

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How do you increase the number of theoretical plates?

1 Answers   Cipla,

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2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

0 Answers  

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What is the principle of hplc detectors like.. UV detector,flurosence detector, RID?

0 Answers   Cipla,

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What is the correct way to digest milk powder to get the corrrect value of Fe and Zinc?

1 Answers  

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