Answer Posted / vasavi

ion Exchange chromatography

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2939

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in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

902

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Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

796

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in api coa contains only process impurities and in product coa contains degradation impurities?

734

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What is rs test why we are performing rs test?

1907

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why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

2360

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In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

3189

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What is dose dumping? why require to do?

1043

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why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

2332

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Tell me something about Vitamin A test method by HPLC

2725

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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

1967

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what is the extinction coefficient for Indomethacin or at 319nm wave length.

4125

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In Dissolution Test why limit is define Q+5% what is the role of +5%.

3155

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in hplc chromatogram started from left to right and in uv spectrum started from left to right

1015

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why xterra column require to use at higher ph?

969

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