Detection of Mercury

DETECTION OF MERCURY

Aim

  • To detect the presence of mercury in the given sample.

Material

  • 10% ammonium carbonate
  • 20% ammonium sulfide
  • 15% potassium iodide solution

Procedure 

 

Test

Procedure

Inference

1

1 ml of test solution + 10% ammonium carbonate

Appearance of white colour

2

1 ml of test solution + 20% ammonium sulfide

Appearance of black colour.

3

1 ml of test solution + 15% potassium iodide solution

Appearance of green colour turning red colour.

Last modified: Wednesday, 16 May 2012, 9:43 AM