I would be happy if someone could help me find the concentration of Fe in hydrogen peroxide 35% and 50%?
Try with carbon rod AA..
If seems negative, concentrate the sample by slow evaporation., with a drop of nitric acid, and read agaim.
Dear Bertello,
In fact I am looking for a reference telling me these maximum allowed concentrations that does not have much negative effect over the decomposition of HP?
All depends on the grade of HP solution (e.g. if it is industrial, chemically pure, food grade, or reagent grade, etc.). Basically, pure solutions contain up to 0,00005% Fe (means 0,5 ppm as cations). Whereas HTP grade (most MIL specs) allows up to 0,2 ppm... I guess larger amount (e.g. 1 ppm and above) may slowly accelerate the rate of HP decomposition over the "background" level...
Dear Grzegorz,
Many thanks for your kind answer.
do you have any information about other metal ions that have the ability to decompose HP and in fact the right issue is the concentration of them not the metal itself?
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