Holchem EDTA Test Kit

Usin the syringe in the kit transfer 5ml of the test solution into the polycarbonate test jar, add 10 drops of PAN indicator followed by 10 drops of 5M Aecetic acid - the solution will turn yellow. Add 0.01M Copper Sulphate drop wise until the solution changeds to a permantent purple/violet colour. % v/v product = (No. of drops of copper sulphate solution) x F (Factor).