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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: agoeng78 on March 24, 2007, 01:46:01 AM

Title: Need help with this Reaction
Post by: agoeng78 on March 24, 2007, 01:46:01 AM

Dear every body,

I want to ask about this reaction bellow. What the cause this reaction is explosive? What's the ignition? I want to find the answer why our machine explode a month ago.

H2SO4 + H2O2 + CH3OH -----> What's this ?


Thank's for helping me
best Regards

Title: Re: Need help with this Reaction
Post by: billnotgatez on March 24, 2007, 06:46:27 AM

My first guess - do not take it as the correct answer

H₂SO₄(L) + 8H₂O₂(L) + 2CH₃OH(L) -----> H₂SO₄(G) + 12H₂O(G) + 2CO₂(G) + O₂(G) + [heat]

Title: Re: Need help with this Reaction
Post by: Sam (NG) on March 24, 2007, 06:21:34 PM

the source of ignition will most likely be the hydrogen peroxide as the oxidising agent.  What is the machine used for?  Is concentrated sulfuric acid used?

Title: Re: Need help with this Reaction
Post by: agoeng78 on March 29, 2007, 04:06:50 AM

we have OSP machine for our PCB manufacture process, on microetching process our use acid piranha solutin, but a month ago after we change piranha solution with the new one on the machine (this solution we made a few week ago) on a couple hours this machine explode strongly. we suggest may be it contamine  with alcohol.