In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

0 Answers  

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In Related Substances Test how we can reside the limit of impurity ?

2 Answers   MSN Pharma,

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Sulphated Ash incresed it will effect on product yield?

3 Answers   Biocon, Lupin,

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what buffer you can select for acidic nature analyte and how ?

2 Answers   Dr Reddys,

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why using factor 1.00639 in burette calibration of kf

1 Answers   Cipla,

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i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

0 Answers  

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what is the meaning of stress study?

2 Answers   Reddy Labs,

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why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

0 Answers  

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what is biorelivent dissolution media?

0 Answers  

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why 1.2%kcl solution is using in limit os straylight?and why this test used for uv calibration?

1 Answers   Graviti Pharmaceuticals, Reddy Labs, Vimta Labs,

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diference b/w packed &capilary columns

2 Answers  

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Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

0 Answers  

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