how can I make the copper get white bye any salt or acit?

2151

Explain the relations between number of carbon atoms in alkanes and retention time ?

2074

in which situation require to use paddle and basket?

673

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2532

Why we check moisture,ash & AIA in product

1825

how the compound separate in coulunm,explain

2450

In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

2965

How you develop a method in HPLC?

2565

why holium oxide prepared in 10% HCLO4 SOLUTION

1409

how you confirm the assay method?

727

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

718

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2612

why we use glass fiber filters use in some situation?

741

some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

2601

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2671