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In Karl fischer titrator what medium we can choose to analysing aldehyde and ketone samples by using KF reagent
4 12441why 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?
2710what 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 26818suppose i give three compounds A,B,C how do u calculate assay of those three componds which method do u prefer
5 11236What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.
Apotex, Cipla, GSK, Intas, Zydus Cadila,
7 45717Post New Analytical Chemistry Questions
if you have given one product then how you determine the impurity in that?
why 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?
could negative ions be produced by bombardment process in mass spectrometry?
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
we can use expired sample for validation and analyst qualification?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
Why use only methanol,used determinationof moisture content not use other solvents
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
what is classification of elemental impurities? what is risk assement in elemental impurities?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
How to set specification of assay, fisdolution and related substances?
Related substance method equivalency on control sample or spiked sample?
