Answer / sanjay

MAjor difference in Purity and Particle size of Silica in
TLC and HPLC

Answer / durga malleswar

the difference in tlc the stationary phase is polar funtioned silica and in hplc we use stationary phase with non polar functioned silica only the difference is the functional groups of the silica changed

Answer / vijaya kumar thota

Tlc is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC is a sophisticated technique works on partition principle.

Answer / mabood alam

thin layer cromatigrophy and high coloum cromatigrophy used
in cilka

why are using toluene in uv calibraion in resolution performance

2 Answers   MSN Pharma,

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what is the limit of Correlation for IR test compare to the standard and test

3 Answers   Nakoda Chemicals,

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Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?

1 Answers  

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2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

0 Answers  

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how to regulate noise in hplc ?

2 Answers  

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how to calculate the Step and ripple accuracy for pump gradient test for UPLC?

1 Answers   Wockhardt,

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WHAT IS PVT TEST IN DISSOLUTION TEST , WHAT IS PVT SIGNIFICANCE AND HOW IT IS PERFORMED ?

1 Answers  

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Why dissolution test performed on six jar?

1 Answers   Mylan,

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why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

0 Answers   Raks Pharma,

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column washing procedure for normal phase and reverse phase?

1 Answers  

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Why we more noise in PDA detector compared to UV detector?

1 Answers   Aurobindo,

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class of solvent regarding Residual solvent e.g. Acetone his class

1 Answers  

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