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 Categories >> Sciences >> Chemistry >> Analytical Chemistry
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Question Asked @ Answers Views     Select
why we inject sample TWICE in ASSAY by HPLC analysis but in RS once?    0  2
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%)    0  17
How can you calculate manually "Slope" in pH calibration?    2  21
Why should we use Potassium iodide and Hydrochloric acid during preparation of Iodine Molar solution?    0  13
what is icdas abbrivation    1  12
how many types oos and oot    0  15
What is the limit of minimum area in in hplc RS anlysis    0  17
why 6 tablets use for dissolution    0  20
What is the principle of Thermal conductivity detector and FID?    0  28
What is the principle of hplc detectors like.. UV detector,flurosence detector, RID?    0  26
How would you decide dissolution medium for NCE compound of class I drug    0  25
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    0  28
Difference Between End Cap HPLC Column and Non End Cap Column    0  84
what is the source of ir spectroscopy    2  201
What are modes of quantification in related substances    0  79
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Un-Answered Questions
 Question Views   Select
Principle of single pan analytical balance 1726
how to regulate noise in HPLC? 767
why hexane is used for FID calibration in GC 778
why we inject sample TWICE in ASSAY by HPLC analysis but in RS once? 2
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol 1695
pda detector mechanism? 337
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters. 483
In Agilent HPLC calibration using Empower 3 Software, What is the criteria for GPV Baseline starting point? i.e., Either it can start from -0.00/+0.00 or any range is there like -0.05 to +0.05 or ......etc? 1202
Why irmoisture balance is used for corrugated box moisture testing 444
how v can identify functional groups by wet techniques? 509
What is importance of pH in the Heavy metal test and How it effect on the test results? 293
why we have to store the pH electrode in 4.01 buffer ? 1044
how to calibrate hplc & gc 2223
pharma industries oriented 178
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