In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?

4 Answers  

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How will you separate Colorless compound Using Column Chromatography?

4 Answers   Delhi University, VPHS,

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In IR spectra, generally a molecule vibrates without apply emr or ir light?

0 Answers  

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what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

0 Answers   Sandoz,

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In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.

1 Answers  

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please explain about aluminium hydroxide assay

0 Answers  

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How NMR spectra can be calibrated in presence or absence of TMS?

1 Answers  

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why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?

5 Answers   Apotex, UPL,

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can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

0 Answers   Cipla, XYZ,

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Why used 0.02% v/v solution of toluene in hexane for calibration of UV.

3 Answers  

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Hplc detect how much ppm solutions i want range

4 Answers  

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During Validation study, Recovery is passing at all levels but Linearity is failing. Justify?

1 Answers   Mylan, Torrent Pharma,

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