ramalaxmi


{ City } bangalore
< Country > india
* Profession *
User No # 78231
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Total Answers Posted # 3

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Questions / { ramalaxmi }
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Answers / { ramalaxmi }

Question { Reddy Labs, 187365 }

Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test


Answer

It,is a primary standard.and very stable
it can detect multiple wave lenths. another standards also there
examples are benzophenone,uracini,harbium perchlorate extra

Is This Answer Correct ?    0 Yes 0 No

Question { Dr Reddys, 32330 }

Why we are using only KBr in IR spectrometer why not KCl


Answer

KBR can not absorbance in IR region. and it is a primary standard.
KBR does not catch the moisture easy better than KCL
KBR STABLE also

Is This Answer Correct ?    10 Yes 2 No


Question { Dr Reddys, 93517 }

what is least count of a balance? How we find out this? Any
formula for least count of Analytical balance?


Answer

0.01mg is the least count of balance

Is This Answer Correct ?    17 Yes 32 No