why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?7 24132
which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution8 10611
what is the difference betwen the analytical column & peparative column?4 11478
what is the general mechanism of high performance liqiud chromatography?7 13743
why 2Theta value is consider in the XRPD spectra and how to consider the 2 Theta value2 6292
what does optical rotation and specific rotataion means,difference between them8 28059
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me1640
what is the structure of DOWEX-50
acceptance criteria for lod & loq by standard deviation of response and slope??
What is similarity factor?
what is the purge flow & how to calculate
why we are using benzene, anyline in acetic anhdride assay titration method?
what is definition of validation? which components are followed give detail?
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
How to fix the sample conc. in Related substances test by HPLC?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
why octanol used to determine the partition coefficient ?
mode of absorption in alimentary canal?
How to calibration of the uv spectroscopy and its test?
how can I make the copper get white bye any salt or acit?
How you develop a method in HPLC?
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?