Oops! I did not mean to capitalize the "H".
Bev
RIM
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
Sent: January 22, 2007 8:19 AM
To: [log in to unmask]
Subject: Re: [TN] VOC free legislation for fluxes - NTC
And before someone comes back with dihydrogen monoxide, please read the
Wikipedia blurb below, although the Merck Index 14th edition (new one)
lists it as Hydrogen oxide. Hmm.
Bev
RIM
"The IUPAC nomenclature of inorganic chemistry is a systematic way of
naming inorganic chemical compounds as recommended by the International
Union of Pure and Applied Chemistry (IUPAC). Ideally, every inorganic
compound should have a name from which an unambiguous formula can be
determined. There is also a IUPAC nomenclature of organic chemistry.
The names "caffeine" and
"3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione" both describe the same
chemical. The systematic name encodes the structure and composition of
the caffeine molecule in some detail, and provides an unambiguous
reference to this compound, whereas the name "caffeine" just names it.
These advantages make the systematic name far superior to the common
name when absolute clarity and precision is required. However, even
professional chemists will use the non-systematic name almost all of the
time, because caffeine is a well-known common chemical with a unique
structure. Similarly, the chemical water is always known as such, never
as "dihydrogen monoxide.""
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: January 22, 2007 8:13 AM
To: [log in to unmask]
Subject: Re: [TN] VOC free legislation for fluxes - NTC
No such animal as Oxygen Dihydride.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Graham Naisbitt
Sent: Monday, January 22, 2007 6:53 AM
To: [log in to unmask]
Subject: Re: [TN] VOC free legislation for fluxes - NTC
DOH!
I meant Oxygen Di-Hydride.
My dicslecksia just cikked in!
Kindest regards,
Graham
[log in to unmask]
On 19 Jan 2007, at 23:50, David D. Hillman wrote:
> Hi Graham - I know I am just a materials engineer and at best, a
> dangerous chemist but isn't "Hydrogen Di-Oxide " equal to HO2?
>
> : - )
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
>
>
>
> Graham Naisbitt
> <Graham.Naisbitt@
>
> GEN3SYSTEMS.COM> To
> Sent by: TechNet [log in to unmask]
>
> <[log in to unmask]> cc
>
>
> Subject
> 01/18/2007 05:23 Re: [TN] VOC free
> legislation for
> AM fluxes
>
>
> Please respond to
> TechNet E-Mail
> Forum
> <[log in to unmask]>
> ; Please respond
> to
> Graham Naisbitt
> <Graham.Naisbitt@
> GEN3SYSTEMS.COM>
>
>
>
>
>
>
> Douglas
>
> As you are in the UK, you need to know that there is no such thing as
> VOC free materials in Europe because we (EU) do not differentiate
> materials. They are either VOC or they not.
>
> As defined by "Council Directive 1999/13/EC of 11th March 1999:
>
> Organic compound shall mean any compound containing Carbon and at
> least one or more of hydrogen, halogens, oxygen, sulphur, phosphorous,
> silicon or nitrogen.
>
> 9. ...emission shall mean any discharge of volatile organic compounds
> from an installation into the environment. ...into air, soil and water
> as well as solvents contained in any products. They include uncaptured
> emissions released to the outside environment via windows, doors,
> vents and similar openings.
>
> 17. volatile organic compound (VOC) shall mean any organic compound
> having at 293.15 K a vapour pressure of 0.01kPa or more, or having a
> corresponding volatility under the particular conditions of use.
>
> In the USA, the EPA have given a list of tax exempt VOC's that permit
> folks to market "VOC Free" products. Kinda wrong ain't it?
>
> It is fair to say that some materials are worse than others but, a VOC
> is a VOC. Don't forget Hydrogen Di-Oxide can kill you.
>
> Kindest regards,
>
> Graham Naisbitt
>
> [log in to unmask]
>
>
>
> On 17 Jan 2007, at 15:27, Douglas McCall wrote:
>
>> Hi to all,
>> Can someone point me in the direction of any legislation that relates
>> to the use of flux and future requirements to use VOC free flux.
>>
>> With respect to RoHS or any other specific legislation (such as
>> 1999/13/EC), will it likely become a requirement (at sometime in the
>> future) to use a VOC free flux and will they ban IPA solvent based
>> fluxes.??
>>
>> Any info will be much appreciated.
>>
>> Thanks,
>> Douglas I McCall
>>
>> Regards,
>> Douglas I McCall,
>> TRW Automotive,
>> Mill Hill,
>> North West Industrial Estate,
>> Peterlee, SR8 2HR
>> Tel: +44 (0)191 518 8918
>> mailto: [log in to unmask]
>> web-site: http://www.trwauto.com
>>
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