why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?
7 30089which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution
8 13967i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
2180Post New Analytical Chemistry Questions
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
What is column in chromatography?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
what is mean by 40 in the dissolution basket mesh size?
Difference between hlaf and rlaf
if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?
How to calibration of the uv spectroscopy and its test?
cefoperozone and sulbactam inj. hplc test method
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
why does used dry caffien in HPLC calibration?
how much mass should be there in volumetric flask while in preparation of sample for assay?
how you start the solubility study?
what you do when compound having dwel wavelength?
why require the ph, buffer during hplc mobile phase?
