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 Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
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Question Asked @ Answers Views     Select
How to standardization of 1N H2SO4?    0  13
why we use actone for Gpv test in hplc calibration    0  14
What is difference between assay by Hplc and uv    0  26
why we use 0.1% acetone in gradient calibration of HPLC?    0  20
In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?    0  19
What is the definition of RRF    0  20
What is definition of RRT and what is the difference between RT and RRT in HPLC    0  21
What is the meaning of Base deactivated vials    0  26
Basic principle of ESI?    0  27
Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?    0  32
Difference between related substances & impurities    0  36
How to calculate lamp energy in hplc?    0  38
Weight balance variation limit during analysis    3  104
Why pH range is 1-14 nt more than 14???    0  173
How to calculate the signal to noise ratio.    1  473
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Un-Answered Questions
 
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How can I develope method of dissolution by HPLC OR UV 345
Calculate the water content in Di Sodium Tartrate (DST) based on molecular weight? 242
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6 784
what type of question will ask in the interview of lab chemist. 1492
How would you decide dissolution medium for NCE compound of class I drug 179
what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS) 169
How will u perform degradation study in detectors other thann PDA in HPLC Methodology 692
What is intact assay method development.....? 485
what is the disso medium for tropsiun chloride 380
why we use polystyrene film for ftir calibration? 5968
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE? 357
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ? 1342
why we have to store the pH electrode in 4.01 buffer ? 1129
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance? 1108
why we should take dst factor for below 1%moisture samples 696
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