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Sciences AllOther (161) water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.
10 52267I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?
5 11672hi i am m.sc organic chem and complete analytical lab tech dipolma now job in qc many time ask question you in m.sc organic why job in qc please help me i can not give proper ans please tell me
3 10968
What is the process for the removal of salts from brackish water or seawater to make it usable?
Colorimtry
Where is the tympanum located in the family Tettigoniidae?
Name the animal which faints when frightened by the enemy?
What are the three distinct phases that a precipitation shows?
Explain how many seismograph stations are needed to allocate the epicenter of an earthquake?
Which are the bacteria or bacterial component that can’t be stained by gram stain?
Describe the cell- membrane protein extraction ?
How do you ensure the quality and safety of care provided to patients with complex rheumatic conditions, particularly when managing potential medication interactions?
Define cellulose?
What is the difference between constitutional dictatorship and democracy?
Why we use nhexane inplace of hexane in mobilepase preparation
Describe the trichromacy vs. opponency theories of color processing.
Define granite?
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively