With two Friday quizzes. I am confused on this one. What is it? Jon
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
Sent: Friday, August 27, 2010 8:23 AM
To: [log in to unmask]
Subject: Re: [TN] NTC Friday Element Quiz - The Question
Correct.
We've also tried FTIR, but our hit rate hasn't been 100%.
Phthalates are NOT minor additives, but are added to PVC in the 20-55% by weight range. Industry produced something like 6 billion pounds in 2000.
Bev
RIM
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Friday, August 27, 2010 09:02 AM
To: TechNet E-Mail Forum <[log in to unmask]>; Bev Christian
Subject: Re: [TN] NTC Friday Element Quiz - The Question
And how did Clumpy test for phthalates? Grind them up and do a solvent extraction? Inquirin' minds wanna know....
Doug Pauls
Bev Christian <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
08/27/2010 07:15 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
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Subject
Re: [TN] NTC Friday Element Quiz - The Question
Dave,
I know the answer, but will not print it out. You make things too easy when you give things like melting points.
Clumpy tested PVC for phthalates (a la REACH).
Bev
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
Sent: Friday, August 27, 2010 8:01 AM
To: [log in to unmask]
Subject: [TN] NTC Friday Element Quiz - The Question
Hi folks - here is the Friday Element Quiz -
The Question:
The element is a naturally occurring in the Earth crust at a 1 ppt
abundance. The element was not discovered until 1927 due to the difficulty
of extracting it from mineral sources. In the mid 1950's a UK program
produced 127 grams of pure element that has been used, recycled and reused
repeatedly during the past several decades due to its 32,760 year half
life. No commercial uses of this element exist. The melting temperature
of this element is 1572C. What element am I?
The winner of this week's quiz gets to put Clumpy, the 8th dwarf, to work.
Bev Christian still owes us an description of what tasks Clumpy
accomplished for him last week.
Good Luck.
Dave Hillman
Rockwell Collins
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