Question { 16295 }

If we are getting split peak in Chromatogram,what we can do?

Answer

If the sample diluent is not compatable with mobile phase,
it could be the reason for peak splitting. Using mobile
phase as sample diluent would resolve the issue.

Question { Dr Reddys, 32319 }

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

Answer

KBr is optically transparent over the range of wavelengths
in the wavelength range of IR analysis. This means KBr does
not have any absorbance in IR region.

Question { 11553 }

What are the primary standards?

Answer

A primary standard is a reagent which is very pure,
representative of the number of moles the subatance
contains and easily weighed.Primary standards are typically
used in titrations and other analyticaL techniques as
standardization solutions

Question { Astron Research, 11799 }

What is column dead volume?

Answer

Volume of the mobile phase which is required to elute the
unretaind compound from the column is so called dead volume.