In Karl fischer titrator what medium we can choose to analysing aldehyde and ketone samples by using KF reagent
4 9521why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
1787what are the different methods of analysing related substances test,what are LOD AND LOQ .HOW TO REPORT IMPURITIES WHEN LOD AND LOQ LIMITS R SPECIFIED
3 20840suppose i give three compounds A,B,C how do u calculate assay of those three componds which method do u prefer
5 7613What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.
Apotex, Cipla, GSK, Intas, Zydus Cadila,
7 39899Post New Analytical Chemistry Questions
what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
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.
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
How can I develope method of dissolution by HPLC OR UV
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
In IR spectra, generally a molecule vibrates without apply emr or ir light?
Why use only methanol,used determinationof moisture content not use other solvents
what type of question will ask in the interview of lab chemist.
what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
WHY pKa value is more important than pH value of the mobile phase in HPLC?
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?
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
what is third integration
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
