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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What is differences between normality and molarity.in which cases both are used?

1 Answers   GVK,

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What is the b/W dead volume and dwell volume ?

2 Answers  

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plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration

2 Answers   Torrent Pharma,

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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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What is the formula for relative diffrence for standard solution in solution stability in validation?

0 Answers  

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how much wave length of Soduim vapour lamp used in polarimeter

2 Answers   Reddy Labs, Torrent Pharma,

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perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?

1 Answers  

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How to choose concentration of LOQ solutions for RS analysis? Example.

1 Answers   Abbott, Indoco Remedies,

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What is heavy water

3 Answers   Meghmani Organics,

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Sulphated Ash incresed it will effect on product yield?

3 Answers   Biocon, Lupin,

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

0 Answers  

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