Preparation of Cadmium standard solution

Cadmium standard solution ( 0.1% Cd)
Dissolve a quantity of cadmium containing 0.1 gm of Cd in the minimum quantity of mixture of equal volumes of hydrochloric acid and water and dilute to 100 ml with a 1% v/v solution of hydrochloric acid.

Cadmium standard solution (10 ppm Cd)
Dilute 1 volume of cadmium sta
ndard solution (0.1 % Cd) to 100 volumes with a 1% v/v solution of hydrochloric acid immediately before use.

preparation of Cadmium standard solution