Describe your experience with analytical instrumentation?2 31993
Do you know what Trace metal clean technique is?describe that technique?1 6967
Describe your experience with quality assurance and quality control analyses?11 29307
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?1789
How to Perform a Recrystallization ?4 14363
How will you separate Colorless compound Using Column Chromatography?4 26375
Can anybody tell me how to measure Redox potential in an aerobic matrix, for e.g., soil etc.?2 5000
what is the difference between Tailing Factor & Asymmetry8 40756
why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?1 4880
Identify problem faced when mass spectroscopy is used with HPLC system ?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
Why dissolution test is not performed in all of the products
what is %labelled amount in content uniformity of dosage unit and its calculation?
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
How to start the dissolution development for unknown tab?
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
what are the standard methods for HPLC?
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
how can I make the copper get white bye any salt or acit?
Many times I don't got a caffeine peak in calibration of hplc using guard column ❓