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 Categories >> Sciences >> Chemistry
 
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Question Asked @ Answers Views     Select
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.    0  2
what are the reasons to get the low transmittansE in FTIR    1  6
how does h2so4 prevent oxidation of mohr salt before it is titrated?    0  5
Why ammonia is used as buffer solution in estimation of copper by EDTA method    0  13
How to standardization of 1N H2SO4?    0  22
why we use actone for Gpv test in hplc calibration    0  20
What is difference between assay by Hplc and uv    0  32
why we use 0.1% acetone in gradient calibration of HPLC?    0  26
In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?    0  23
What is the definition of RRF    2  26
What is definition of RRT and what is the difference between RT and RRT in HPLC    0  27
What is the meaning of Base deactivated vials    0  29
Basic principle of ESI?    0  33
Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?    0  35
Difference between related substances & impurities    0  41
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Un-Answered Questions
 
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Practically why we get negative absorption in UV SPECTROPHOTOMETER when the time of cleaning sample analysis. is negative absorption in Uv valid or not? 680
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC. 387
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance. 447
Basic principle of ESI? 33
how much mass should be there in volumetric flask while in preparation of sample for assay?  344
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means 133
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol? 715
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region? 1255
Assuming that the density of the solution is the same as the density of water (density of water=1.000g/ml), calculate the mass of water for both reactions using: mass of water = Volume of water Density of water. Mass of water = 732
acceptance criteria for lod & loq by standard deviation of response and slope?? 425
what are the differences between assay procedures and estimation in chemical analysis? also what is the equivalent factor that we consider in assay analytical procedures? 37
Shall i get the model question papers for junior lecture of Andhra pradesh 1212
how you determine moist.of NaOH sol or NaOH flacks 504
can you email me because I have a report and I need you to answer these questions if you would like to if not I completely under stand. 597
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE? 358
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