why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?
7 30189which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution
8 14029i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
2188Post New Analytical Chemistry Questions
what is mean by extactable and leachable study?
How much is the standard area for glc analysis
What is the calibration of uv process and preparation
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
Why perchloric acid used for potentiometric titration
What is viod volume and peak purity in HPLC?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
in which situation ion pair require to use?
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
How would you decide dissolution medium for NCE compound of class I drug
what is diffrence between specificity and selecivity?
in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?
how require to set assay concentration for standard and sample?
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
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
