What is GF254 means in TLC plate?1 317
What is NPOC method in TOC?1 338
What are the class-1 residual solvents listed in ICH guidelines?1 416
What does theoretical plates number mean?1 379
Why red HgI2 added during starch preparation?1 438
about method developement in hplc
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
How to do regeneration of Metacarb Pb plus column?
what is %labelled amount in content uniformity of dosage unit and its calculation?
What is column in chromatography?
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
how to calibrate hplc & gc
WHY pKa value is more important than pH value of the mobile phase in HPLC?
what is turbidimetric titration?Give 2 examples.
could negative ions be produced by bombardment process in mass spectrometry?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
Why Ethanol is Used for Standardization of GC Head space?
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?