How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

792

What is the accepted microbial load in APIs as per USP.........?

2566

Can you provide an overview of the properties and characteristics of Protactinium and its placement in the periodic table?

701

what is mean by covalidation

834

Write the each half cell reaction and also net cell reaction for a cell

2976

what type of question will ask in the interview of lab chemist.

3366

Explain the ionic equation for hcl-naoh?

1084

What makes a molecule into organic molecule?

1321

Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?

1517

Why there is no bond with 100% ionic character...??

1888

In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

3193

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

2095

How is temporary hardness be removed?

1122

if instrument calibration fails then what require to do?

1027

4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:

1106