Fosetyl-aluminium

 

Content Handbook G

 

Outline of method

Fosetyl-Al is hydrolysed with sodium hydroxide. The inorganic phosphite produced is oxidised by iodine. Excess iodine is back-titrated with standard sodium thiosulphate using a combined platinum electrode for potentiometric end-point determination.

 

 

Scope

The method is usable for TC and WP formulations.