H2O2

[mike os]

Any suggestions to check that I still have H2O2 and not just plain H2O?... had the bottle a while and cant think how to test it

and no its not to bleach my hair!

 

[rtbcomp]

Put a drop of ammonia in a sample.

EDIT - ignore that - I was thinking bleach, not peroxide!

 

[pedrobedro]

You can get test strips like litmus paper or PH test strips for H2O2.

 

[voipio]

A drop on the skin will make the skin go white if its still H2O2 of reasonable strength.

 

[mike os]

A drop on the skin will make the skin go white if its still H2O2 of reasonable strength.

Not my favourite way of testing things

 

[RonA]

Any suggestions to check that I still have H2O2 and not just plain H2O?... had the bottle a while and cant think how to test it

and no its not to bleach my hair!

Why not compare identical volume with plain water, Hydrogen peroxide 30% solution has a density of 1.135 g/cm3 against plain waters density of 1g/cm3
RonA

 

[TechnicAl]

It will smell

 

[mike os]

Why not compare identical volume with plain water, Hydrogen peroxide 30% solution has a density of 1.135 g/cm3 against plain waters density of 1g/cm3
RonA

cos I don't have the calibrated flask to do it with ;-)

 

[RonA]

Why do you need a calibrated flask, just measure equal quantities in the same measuring vessel & then put the measured quantities in identical containers & use a balance to see which is heavier. One should be 10% heavier than the other so an improvised balance should prove adequate