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

2208

which situation gc hs and gc als require to use?

789

WHY pKa value is more important than pH value of the mobile phase in HPLC?

1768

what is mean by peak intigrity?

953

Is it nessesary all multimedia dissolution require descriminatory?

797

I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?

3540

Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2963

why salisylic acid not using now days for disdolution calibration?

772

how require to select dissolution media? what is discrimination?

789

Qc interview questions

1741

why octanol used to determine the partition coefficient ?

2458

Identify problem faced when mass spectroscopy is used with HPLC system ?

1862

Loss of linearity in tkn analysis, possible reasons?

1318

sop of a uv visible spectrophotometer double beam elico model

5925

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

791