How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.

3 Answers  

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Why pH range is maximum 14.0

6 Answers   UPL,

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what is the diff betwen calibration and system suitability?

8 Answers  

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Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?

2 Answers   Vardhman,

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what is the differance between Analytical and semi micro balance?

2 Answers  

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How you can calculate pKa ?

6 Answers   Dr Reddys,

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

0 Answers   Cipla,

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When i inject amines and acid on HPLC then which peak will elut first?

4 Answers   Sun Pharma,

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WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

0 Answers   GVK,

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In Force degradation Study Compound is not degrade in any condition , also in higher stress what can i do ?

4 Answers   Alembic,

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why RID detector is used for selective materials like Mannitol, Hydroxyethyl Starch and Sorbitol?

5 Answers  

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why plane of polarized light rotated by opticaly active compunds?

1 Answers   Glenmark,

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