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 Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
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Question Asked @ Answers Views     Select
In performance Check of GC Why Hexadecane Peak is Considered     0  9
why we get only one peak in assay by hplc but in rs by hplc get more peaks    0  12
difference between quality and quantity    0  11
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language    0  9
How can you prepare 0.1% Phosphate buffer solution?    1  22
various methos to calculate precision in validation methods in HPLC?    0  14
acceptance criteria for lod & loq by standard deviation of response and slope??    0  12
how can you decide API molucule acedic or basic compound by test?    1  26
in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration    1  32
IF WE INCREASE FLOW RATE RT DECRESE.WHY    2  39
Why using 0.5% acetone in methanol mobile phase for HPLC Gradient performance check. drl   1  46
How can you prepare 0.05M Ammonium acetate volumetric solution?    2  30
WHY KBr is used in IR Spectroscopy gvk   1  42
How to use RF and rrf in Rs calculation( either multiply or divide)? micro-labs   0  31
Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard msn-pharma   2  79
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Un-Answered Questions
 
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How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain 289
In performance Check of GC Why Hexadecane Peak is Considered  9
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU. 187
why equlirium conatant of water have 14 value 96
What is Log p? 43
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ? 556
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature? 293
Why used 0.02% v/v solution of toluene in hexane for calibration of UV. 899
why we are using benzene, anyline in acetic anhdride assay titration method? 171
Tell me something about Vitamin A test method by HPLC 204
Which Zone of our country like conducting of Stability studies(Accelerated & Long term stability studies)as per ICH guidelines. 500
cefoperozone and sulbactam inj. hplc test method 385
From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked? 371
What are the tests used in Hplc?Name any two. 79
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me 305
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