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Organic Chemistry (342) - Inorganic Chemistry (123)
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What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.
4 21468In Analytical method development related substance method when did follow w/w method when did follow area normalisation method
2 14282In Analytical method development related substance method when did follow w/w method when did follow area normalisation method
5 16445what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?
1 4067is is advisable to give a Pewter finish n Stainless Steel ? State the Advantages & disadvantages.
2945
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
What is diffrence between extractable volume and deliverable volume? Answer pls
Write the mathematical form of nernst equation and give one application? : Electrochemistry Corrosion
WHY pKa value is more important than pH value of the mobile phase in HPLC?
How is temporary hardness be removed?
what is induction on electrical insulators
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
What is the composition of ferroin?
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
why require to add enzymes in capsules dissolution only? is it require to tablet also?
Actinium-227 has a long half-life and emits alpha particles. How can this property be harnessed in radiation detectors or other monitoring devices?
How to do regeneration of Metacarb Pb plus column?
give clarity of linearity and range in method validation
What is the min constitutes of haematite ore?
