Answer Posted / hamid emadi

it is about understanding the stroucture of material. in
this part of chemistry we deal with soloutions.it is
devided to some branches.some of theme are spectroscopy
(NMR,IR are two branches of this part),GC(glass
chromatography),flominesans,chemometry and ... .in
electrochemistry we deal with relation between chemistry
and electricity.in spectroscopy we can understand the
stroucture of material.in chemometry we deal with data.
(please excuse me if I have mistake in my writing.)

In rs method development when we are going area normalization method to dilute standard method?

1565

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What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2754

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in dissolution why pool sample needed? in which type of drug pool sample need?

3220

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in sampling of raw material which side is pasted sampled labels

1886

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why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

2359

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iam usig ph buffers merk. manually how to prepare ?

2325

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what is the purge flow & how to calculate

2728

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How you develop a method in HPLC?

2664

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if tech transfer fails whay require to do?

893

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Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1876

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what you do when compound having dwel wavelength?

805

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Colorimtry

1700

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what is mean by 40 in the dissolution basket mesh size?

837

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why cone formation during dissolution?

845

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Why we check moisture,ash & AIA in product

1940

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