what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method

1 Answers   Apex, Pentagon Labs,

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What is the difference between HPLC and GC?

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if you get peak in blank then what require to do?

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how decide the clining method and cleaning method validation require for this perticular products?

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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.

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What is the difference between bulk property detectors and Solute property detectors vivimed labs limited

3 Answers  

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IF THE COMPOUND PKA IS 5.3 WHY WE ARE ADJUSTING PH+/-2 OF THE COMPOUNDS PKA. WHAT IS THE CONDITION

2 Answers   Dr Reddys, Reddy Labs,

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Why only 1.2 million lux hours require in photostability study?

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How can I develope method of dissolution by HPLC OR UV

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In which situation we require to analytical method validation of excipient?

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In case of dissolution test, if there is variation within 6 individual units however the batch is complying as per S1 criteria, is it necessary to do investigation for the same? What should be the criteria for such variation?

2 Answers  

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What are the differences between GC and HPLC?

1 Answers  

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