That was common practise in my day. It was our chemistry master who went one better while producing hydrogen in a large semi john. He lit the end of tube before allowing all the air to purge.
Big flash and explosion, glass and acid everywhere, but amazingly in a class of 30 kids there were no injuries. No inquiry or follow up either but then this was the 60's. Chris On 19 Feb 2010, at 01:40, "Larry Stillings" <[email protected] > wrote: > Don't lite the gas valves directly that connect to the rubber hoses > that go > to the bunsen burners. I saw that done in 7th grade, fortunately the > student > didn't blow up the school and all my classmates. > > sorry just had to comment. > > > -----Original Message----- > From: Pete Perkins [mailto:[email protected]] > Sent: Thursday, February 18, 2010 6:07 PM > To: PSNet > Subject: Safety requirements for schools > > PSNet, > > As part of some technical committee work we are doing it would be > helpful if anyone could share knowledge of safety requirements in > secondary > schools (junior-high, middle, or high schools), especially as they > might > relate to educational use of laboratory or test equipment. > > br, Pete > > Peter E Perkins, PE > Principal Product Safety & Regulatory Consultant > Tigard, ORe 97281-3427 > > 503/452-1201 fone/fax > [email protected] > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc- > pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc > Graphics (in well-used formats), large files, etc. can be posted to > that > URL. > > Website: http://www.ieee-pses.org/ > Instructions: http://listserv.ieee.org/request/user-guide.html > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher: <[email protected]> > David Heald: <[email protected]> > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc- > pstc discussion list. To post a message to the list, send your e- > mail to <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc > Graphics (in well-used formats), large files, etc. can be posted to > that URL. > > Website: http://www.ieee-pses.org/ > Instructions: http://listserv.ieee.org/request/user-guide.html > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher: <[email protected]> > David Heald: <[email protected]> - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
