re: hydrogen peroxide? What concentration.
Hi David,
I would like to contact you and ask you some questions about chemistry. How can I contact you - do you have an e-mail?
Thanks,
D. Botello
Current Events » in reply to hydrogen peroxide? What concentration.
Hi David,
I would like to contact you and ask you some questions about chemistry. How can I contact you - do you have an e-mail?
Thanks,
D. Botello