Answer Posted / amblimath

# It detectable in multi wavelengths, 205,245,275
# Anhydrous Caffeine is primary standard.
# It contains nonrecemic CHON
# Easily available and can be stored ( no degradation)

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?

8920

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how to decide for one product require water content or LOD?

842

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

786

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if content uniformity passing but dissolution varrying then what is next step?

937

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how to develop the icp ms method? Application of icp ms?

850

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

3442

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Why only 1.2 million lux hours require in photostability study?

1103

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in which situation require to use paddle and basket?

796

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What is shaking level in GC?

835

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how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2655

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if rsd failed then what require to do?

886

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While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2902

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how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

2365

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1974

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What is the diffrence in japan mkt requirement in analytical method validation over US?

773

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