Concentration of hydrogen peroxide

2009-12-20View Original

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The 30% hydrogen peroxide in the laboratory has decomposed due to too long time. The current concentration is only 25%. How can I remove some water and increase the concentration? I am urgently asking for your advice.

Reply #22009-12-20

I suggest you buy it again. Concentrating it yourself in the laboratory is still very dangerous.

Reply #32009-12-20

This thing is quite cheap, especially for laboratory use. The dosage is not large. If you must use high concentration, buy a new one and use 25% for other purposes.

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Concentration of hydrogen peroxide

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