why do we adjusted ph in the mobilphase
Answer Posted / guest
The PH adujustments is depends upon the substance we r
going to use...and it will help for elute the peak
earlier..
| Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
why we are using hexane in calibration of number of drop per mL
From where require to take the RLD sample?
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
in api coa contains only process impurities and in product coa contains degradation impurities?
What is the calibration of uv process and preparation
If combination product how require to identify which imp is of which api?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
process of Diclofenac sodium,IP.
What is the formula for relative diffrence for standard solution in solution stability in validation?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
How do we fix the sample concentaryion in hplc method development?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
why we use glass fiber filters use in some situation?
in dissolution why pool sample needed? in which type of drug pool sample need?