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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.
3128If i performing one analysis on C8column then the same analysis done on C18 column then what will happen about Rt;Resulution;Peak shape Explain ?
1 8099why using Potentometry What Purpose? differance between manual and potentiometry? why using Some of materials in usig potentiometry? What is use of mericuric acetate in Potentiometry
1 5744iam using ph instrument lab india make.3ponit and 5point.in calibration time 3point slope will come 98.89and 96.87.that limit is 85 to 105.what basis slope will come.any calucalation between them.5point wiicome slope 99.89?why 3p0int came 2 values
1 5420when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
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2041when we have polar type of sample and solvnt hen which type of stationry phase we have to use
3 7646Post New Analytical Chemistry Questions
What is rs test why we are performing rs test?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
how you confirm the assay method?
pharma industries oriented
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
acceptance criteria for lod & loq by standard deviation of response and slope??
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
what is the difference between potentiometric titration and karl fischer titration?
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?
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
What is the use of tlc and hplc? And when and where use?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
What is aggregate and fragments in SEC?
