Answer / venkat

Loss on drying means to determine the percentage of water and volatile substance ,constant weight deterrence below or eqval to o.5 mg represent accepted level of loss on drying results,while constant weight difference is more then 0.5mg indicates the sample was completely not drying.

if tech transfer fails whay require to do?

0 Answers  

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why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?

7 Answers  

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how can you decide API molucule acedic or basic compound by test?

2 Answers   Posh Chemicals,

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In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

3 Answers   Micro Labs, Richter Themis, Sun Pharma,

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how to prepare solution in ppb

6 Answers  

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1 % solution is equal to how much ppm

32 Answers  

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how to prepare low ppm solution from high ppm solution ?

1 Answers  

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difference between IR& FTIR

4 Answers   Cadila,

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Difference Between End Cap HPLC Column and Non End Cap Column

2 Answers  

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In method developement or in any analysis if we use small length column for analysis what happen then ? why ?

3 Answers  

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in what basis wavelength will select for a compound at initial method development trials

4 Answers   Matrix,

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why we use TLC?

8 Answers  

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