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what is internal standard define
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Answer / ankit
Internal standard are used for sutability purpose, we measured the retaintion time of main component corresponding to it.
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Answer / usha kiran
internal standard is a known concentration of a substance
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why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?
25 Answers Hikal, Lupin, Wockhardt,
What is difference between known and unknown impurities
why we cannot analysis below 200nm in u.v?
why we use sodium salicylate in uv light calibration at TLC chamber
1 Answers Aurobindo, Lee Pharma,
What is Impuriteis?
which brands GC coloumn available in market
what is peak purity ??
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
If we are getting split peak in Chromatogram,what we can do?
how to correct peak when peak comes broader in shape? How to do calibration of HPLC?
What is the difference between BD
Identify problem faced when mass spectroscopy is used with HPLC system ?
0 Answers College School Exams Tests,
Organic Chemistry 
