Answer / vr_durai@yahoo.in

Those substances which have chiral center (That is different
atom or molecule attached in one atom)then that substances
rotate the plane polarized light and its called optically
active substances/compound.

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?

5 Answers   Cipla, Reddy Labs,

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What is column dead volume?

4 Answers   Astron Research,

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What are the differences between GC and HPLC?

1 Answers  

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What is AV value in test uniformity content ,describe calculation

1 Answers   Lupin,

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in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

0 Answers  

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which brands GC coloumn available in market

4 Answers  

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In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?

1 Answers   Orchid,

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In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

0 Answers  

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Why pH Range has been fixed as 0 to 14 ?

1 Answers   Akums, Cipla, Matrix, SUN,

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Can anybody tell me how to measure Redox potential in an aerobic matrix, for e.g., soil etc.?

2 Answers  

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

0 Answers  

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Is it compulsory to prepare KBr disc with sample in identification test by FTIR?

2 Answers  

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