What is difference b/w IR&NIR
ir= infra red region ;
nir=near infra red region
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How to develop the method when we have very low amount of impurity?
Difference between standard operating procedure and standard test procedures in pharmaceutical industry
some compound havving uv region but not give much more response during hplc analysis
what is procedure of actual procedure for registration of drug?
explain 5 components of gas chromatography ?
1 Answers College School Exams Tests, Nucon,
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.
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
0 Answers Srini Pharmaceuticals,
What are the class-1 residual solvents listed in ICH guidelines?
In HPLC when we use Isocratic method, Gradient method in hplc?
wt is difference between assay and purity in hplc?
how to hplc calibrated
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately