Answer Posted / shavian

tthe half-shade used in this experiment is designed in such a way that it introduce a path difference of λ/2 or phase difference π between the ordinary and extra-ordinary rays of perticular wavelength of light.as sodium light is monocromatic is used in this experiment

if instrument calibration fails then what require to do?

986

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How to set specification of assay, fisdolution and related substances?

888

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why require to do water content for drug product?

845

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what is the purge flow & how to calculate

2660

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How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

3232

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for inorganic molecules require to do RS, Assay and disso?

741

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

1988

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UV and PDA detector, which have less signal to noise ratio?

1144

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what are the guidelines for analytical method validations?

1112

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How to establish relative response factor for hplc. Why it is required?

1236

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why does used dry caffien in HPLC calibration?

2039

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What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8870

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Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1827

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

920

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using gradient pressure in gas chromatography are not ?using gradient pressure why

3397

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