How to prepare 50 ppm ammonia solution form 25% ammonia solution?

8 Answers   Cadila, IIT,

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in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration

4 Answers   Dr Reddys, Hetero,

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Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

2 Answers   Cipla, Reddy Labs,

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How to decide the standard concentration for related substances hplc method

1 Answers  

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difference between pH & pOH ?

4 Answers  

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What is normality

12 Answers   Cadila,

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In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.

3 Answers  

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mahagenco syllabus for the post of chemist

0 Answers   MahaGenco, Unimarck Pharma,

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What is the function of end capped column?

5 Answers   Cipla,

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some compound havving uv region but not give much more response during hplc analysis

2 Answers  

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How do you verify the primary,secondary and tertiary amines by IR-Spectroscopy.

2 Answers   GVK,

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Do you know what Trace metal clean technique is?describe that technique?

1 Answers   Mylan, Nirma, Oil and Gas Jobs, Reddy Labs,

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