What is the range of uv & vis lamp in spectrophotometer?

1121

Why is ammonia solution added while preparing edta solution?

1395

can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification

1854

why is mgcl used in edta titration

1643

In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?

2342

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4089

in each media we require to use SLS? how to proceed?

804

What are the inorganic material eliminated in Sulphated Ash

3353

what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

3707

Why is the role of glycerol & naoh?

1081

Give the others form of iron ore.

1027

Why is the color of the indicator drop remains the same at the end point?

1239

wtat type quations will be sak in ongc exam?

3270

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

712

can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

2195