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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
3178Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?
7 19481When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!
5 15269is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD
2 7773What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?
LOIL,
1 5270Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
2865mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
1 3778Post New Analytical Chemistry Questions
Why we use potassium dichromate in uv calibration Exact reason behind it??
In rs method development when we are going area normalization method to dilute standard method?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
is it nessesary to do solution stability for 7 days?
if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?
we can use expired sample for validation and analyst qualification?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
WHY given much noise PDA dector then VWD Dector
why require the ph, buffer during hplc mobile phase?
what is the purge flow & how to calculate
if instrument calibration fails then what require to do?
how much mass should be there in volumetric flask while in preparation of sample for assay?
How we can identify process related and degradation impurity in single method with short period?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
