Answer / satish24686

By using of PDA DETECTOR WE CAN DETERMIN THE PEAK PURITY.

Peak purity mean that analyte peak or impurity peak may have
no interference with another unknown or known peak.

we have three methods to determine the peak purity.

those are 1. Spectral comparison method or vector method
2. Background correction method and 3. dimensional
method

Answer / sidharth jha

Area Comparison between Standard and Placebo Solution with UV detector of HPLC and UV. Results not more than 2.0 %.

Answer / nisha

a substance is present in pure state at which extent (maximum value) is called its peak purity
methods
background correctionis one method

What is difference between chemical Assay and Hplc assay?

2 Answers   Lee Pharma,

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if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?

1 Answers   JBCPL,

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signifcance of detector lenearity in calibration f hplc

3 Answers  

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what is mean by nitrosamine impurities?

0 Answers  

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what is end capping in hplc coulmn

2 Answers   Lupin, Zydus Cadila,

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How are PDA Detector work in HPLC

7 Answers   Agilent,

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acceptance criteria for lod & loq by standard deviation of response and slope??

0 Answers  

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why salisylic acid not using now days for disdolution calibration?

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how PH an important role in HPLC separation

3 Answers  

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In dissolution test s1 stage we are getting one bowl 40 % out of 6 bowls what is the root cause you find and how proceed next step? ( Q is 80%)

3 Answers   Reddy Labs,

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Why use only methanol,used determinationof moisture content not use other solvents

0 Answers  

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What is difference between oos

7 Answers   Gennex,

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