Answer / tanhaji b.

pH means hydrogen ion concentration.
Which help for constant Retention time and early peak elution.which is Selected on the basis of Pka and Pkb value .

How to Perform a Recrystallization ?

4 Answers  

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What is the difference between Spectroscopy and spectrophotometry,What are the applications?

4 Answers   Caplin Point, Cipla,

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why we are using k2cr207 in uv calibration ? why we r not using kmno4?

1 Answers   Glochem, Sidmak Laboratories,

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what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

0 Answers   Neuland,

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What is the b/W dead volume and dwell volume ?

2 Answers  

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If we have a kc is1*10^8 and the .kp 2*10^5 of reaction A------->B C------->D what is the volume of C?

0 Answers  

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if relative response factor is 1.07, to select how much value

1 Answers   Natco,

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Difference between standard operating procedure and standard test procedures in pharmaceutical industry

2 Answers  

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Why we use Caffeine in hplc calibration

2 Answers   Emcure, Laurus,

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1 % solution is equal to how much ppm

32 Answers  

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What is the difference between STANDARDIZATION and CALIBRATION of instrument like KF? why do we standardization of KF everyday? Why the KF factor being only 5.02 etc? 

5 Answers   AlpaMed, Vergo pharma research,

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Why we use potassium dichromate in uv calibration Exact reason behind it??

0 Answers  

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