Answer / s jagadeesh chandra

First of all DST is a crystallin hydrate.

Dst is used in factor determination using karl fischer
titration bcos....

1) It absorbs precise amounts of water.
2) It contains therotically caliculated water content.
ie.. 15.66% of water.Water content in dst is constant
in more cases,ie it can with stand small changes in
climatic and temp changes in laboratory.
3) Easily available in market with 100% purity in reagent
grade.And it is a primary standard too.

Answer / praveena

for hardness

Tablets of which drug are used in dissolution calibration?

2 Answers  

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Why we are disodium tartare for factor of karlficher titration ?

2 Answers  

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If we get 100% assay of an Initial sample ,and the stability studies of the same sample got 90% dissolution result, and when the same stability sample was analyzed for RS studies no impurities was found . Where the 10% Active substance were gone during dissolution analysis.Please help me in getting the conclusion.

1 Answers   Cipla,

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me completed b.pharmacy this year, so which would be the best specelization(which has wide scope) to take in m.pharmacy?

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what is the wavelength of polarimeter lamp

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hai,i had completed my b.pharmacy.i want the coaching centres for drug inspector exam at hyderabad,pls help me nd wen wil b the DI exam conducted in 2012 mostly,pls also forward the model papers.. pls reply me at pravaliden@gmail.com

0 Answers  

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plzzz mail me question papers and syllabus of mpsc's and upsc's drug inspector's exam.and details whn da exm is going to be.. my e-mail id is shubhg_2007@yahoo.com.thanx..

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what should be minimum limit of working standard

1 Answers  

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Why and when RRF is required to be known in RS Method? How is it helpful during method development?

3 Answers   Panacea,

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what is relative response factor in related substance

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How to select HPLC column for particular product.

4 Answers   Aurobindo,

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what is difference between method validation and method verification

1 Answers  

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