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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.
3129If 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 5749iam 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.
ABC,
2042when we have polar type of sample and solvnt hen which type of stationry phase we have to use
3 7650Post New Analytical Chemistry Questions
Which are the diffrent grades of api in pharma?
[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?
If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?
if rsd failed then what require to do?
2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
how pda detector works over uv?
what is mean by nitrosamine impurities?
what is mean by dissolution biowaiver study?
in OSD forms require to use gas chromatography?
what are the guidelines for analytical method validations?
Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?
on the basis of bcs class how to proceed the solubility?
why cone formation during dissolution?
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
