Answer / praveen kumar

The chromatogram recording the detector response when only the mobile phase emerges from the column

Why we use uracil and caffeine in hplc calibration

6 Answers   Alchem, Reddy Labs,

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Why sodium hydroxide used for maintain pH of phosphate buffer

0 Answers   Medicamen Biotech,

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What should be the level/ Percentage of Arsenic in Arsenic free zinc.

0 Answers   FDC, Laurus, Pharmaceutical,

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Why we are using only KBr in IR spectrometer why not KCl

10 Answers   Dr Reddys,

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how much wave length of Soduim vapour lamp used in polarimeter

2 Answers   Reddy Labs, Torrent Pharma,

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A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?

2 Answers  

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Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.

1 Answers  

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What is the Column Endcaping in HPLC ?

3 Answers   Aptuit Laurus,

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

0 Answers  

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how to regulate noise in HPLC?

2 Answers   Alkem Labs, Vimta Labs,

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why base line not start from zoro in GC Chromatograme.

1 Answers   Merck,

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why we use a particular hplc column for a particular compound give reasons?please

0 Answers   Dr Reddys, Indoco Remedies, Natco,

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