All of us who have lit the test tube with hydrogen... and heard the 
"squeak", wonder about Hydrogen in cars....   I wonder about the sanity 
of folks sometimes!

It's weekend, Y'all have a great one.

Derek Walton
L F Research.

On 2/19/2010 1:17 PM, James, Chris wrote:
> 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 
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> ----------------------------------------------------------------
> This message is from the IEEE Product Safety Engineering Society 
> emc-pstc discussion list. To post a message to the list, send your 
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> All emc-pstc postings are archived and searchable on the web at:
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-

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For help, send mail to the list administrators:
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