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Subject:
From:
Bev Christian <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Bev Christian <[log in to unmask]>
Date:
Thu, 7 Jul 2011 07:29:12 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (239 lines)
Aha!  Mike Fenner is right, I am wrong.  I had a mistake in logic.  When I
was talking about discovery dates, I should have eliminated Tb and Re, NOT
the other way around, leaving (with prices)

Sc 1937 $6750/kg, 1991, 99.999% purity
Rb 1860s $45,000/kg, 1997, 99.8% purity
Y 1828 $69/kg, 2002, 99.9% purity
Cs 1860s $10,000, 99.8% purity
Gd 1886 $220/kg, 2011, 99%
Tl 1860s $~1200, 1998, ?

So, Brian Ellis nailed it.

Red-faced
Bev

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
Sent: Monday, July 04, 2011 10:18 PM
To: [log in to unmask]
Subject: Re: [TN] NTC Friday Element Quiz - the Question

This is a tuffy.

If it wasn't produced pure until 1928, then we can eliminate any elements
discovered after that time, thus out go all the elements after uranium, plus
Tc, Pm, At and Fr.

If it is like sodium, then if we presume a +1 oxidation state, that gives
us:
H, Li, B, C, N, O, Na, Mg, Al, Si, P, S, Cl, K, Sc, V, Cr, Mn, Fe, Co, Ni,
Cu, Ga, Ge, Br, Rb, Y, Zr, Mo, Ru, Rh, Ag, In, I, Cs, Gd, Tb, W, Re, Os, Ir,
Au, Hg, Tl

If we then eliminate the ones with a known biological role (I presume in
humans), then we are left with:
Al, Si, Sc, V, Ga, Ge, Br, Rb, Y, Zr, Ru, Rh, Ag, In, Cs, Gd, Tb, W, Re, Os,
Ir, Au, Hg, Tl

If we then eliminate those that I would consider to have SIGNIFICANT use in
industry we are left with:
Sc, Rb, Y, Cs, Gd, Tb, Re, Tl

Discovery dates
Sc 1937
Rb 1860s
Y 1828
Cs 1860s
Gd 1886
Tb "not until ion exchange"
Re 1928
Tl 1860s

So it looks like it is down to Tb and Re.

But $
Tb $3400/kg
Re $4000/kg

But Pt is $1700/troy ounce.
I'm stuck!

Bev
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
Sent: Friday, July 01, 2011 8:08 AM
To: [log in to unmask]
Subject: [TN] NTC Friday Element Quiz - the Question

Hi folks - Here is the Friday Element Quiz Question:

The Question:

This element is used for research purposes only. There are no commercial 
outlets for the element as Sodium can be used to accomplish the same tasks 
at a much lower cost. This element is more expensive than gold or platinum 
(*** per my reference source). A pure sample of this element was not 
produced until 1928. Apples contain 50 ppm of this element but plays has 
no known biological role.

Bonus Question: Name the mineral that contains this element.



The quiz winner will get to put Clumpy and Kloumpios to work for them for 
the week.

So far Clumpy and Kloumpios have:

Week 1 Lamar Young, SCS Coatings
- accomplished nothing (drank lots of coffee)

Week 2 Bev Christian, RIM
- conducted REACH material testing

Week 3 Drew Meyer, Benchmark Electronics Inc.
- Solderability testing and mowed the lawn

Week 4 Ian Fox, Goodrich
- had an epic journey of travel

Week 4 Gary Ferrari, Garrick Global
- unknown

Week 5 Fredrick Miller, Astrolab
- unknown

Week 6 David Nelson, Raytheon
- Were tackling dummys for Dallas Cowboys

Week 7 Graham Collins, L3 Communications
- Cleaned gutters and painted window trim

Week 8 Bill Noel, ITT Geospatial Systems Division
- unknown

Week 9 Steve Gregory of RD Circuits
- unknown

Week 10 David Bealer of Watchfire Signs
- descaled the in-line wash machine! Ouch!

Week 11 Dick Krug of Sparton Corporation
- assisted with AS9100 quality management systems requirements audit

Week 12 Steve Creswick of Balanced Enterprise Solutions
- Acted as Steve's "go fer" due to a broken leg!

Week 13 Gebhard Neifer, Delphi
- conducted a plasma pre treatment Taguchi DOE for a sealing process

Week 14 Bev Christian, RIM
- assisted with a tin pest investigation/test

Week 15 Bev Christian, RIM
 - assisted Bev shoveling snow

Week 16 David Bealer of Waatchfire Signs
 - assisted with reflow profiling

Week 17 Brian Ellis, rumored to be retired
 - assisted with rewiring the house, had a tractor accident and found
his cousin Kloumpios

Week 18 Denny Fritz, SAIC
 - assisted with tin whisker inspection/examinations

Week 19 Graham Collins, L3 Communications
- assisted with scraping barnacles, boat paint and boat engine
maintenance

Week 20 Mark Woolley, PTRL Laboratory Avaya
- assisted with weather observations (70F to snow) and resolving 
electrochemical migration failures

Week 20 Tom Carroll, Boeing Defense, Space and Security
- assisted with commercial aircraft galley inspection

Week 21 Brian Ellis, supposedly retired, and Tom Carroll, Boeing Defense, 
Space and Security
- assisted with root cause corrective action tasks
- assisted with nothing but catching up with the family

Week 22 Drew Meyer, Benchmark Electronics Inc.
- assisted with metallographic cross-sections and Dye & Pry testing

Week 23 Bev Christian, RIM
- assisted with a creep corrosion project and the setting up of an oxygen 
bomb

Week 24 Steve Gregory, RD Circuits
- assisted with ?????

Week 25 Ahne Oosterhof, A-Laser
- assisted with stencil aperture data analysis and split/stacked firewood

Week 26 Scott Post, Delphi
- assisted with ????

Week 27 
- assisted with ????

Dave Hillman
Rockwell Collins
[log in to unmask]

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