Answer Posted / sunitha

0.1 ml phosphoric acid in 100 ml of water

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

2262

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How to know the estimated LOQ concentration in ppm

1154

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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.

2829

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Tell me about analytical method validation in QC

6126

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How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3818

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effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

848

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mode of absorption in alimentary canal?

2337

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What is third generation HPLC Columns?

1934

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AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

2014

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what is definition of validation? which components are followed give detail?

2292

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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.

3067

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if instrument calibration fails then what require to do?

894

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What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1851

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What are the primary considerations in extractables and Leachables ?

2214

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Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1633

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