TECHNET Archives

August 2017

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
David Hillman <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, David Hillman <[log in to unmask]>
Date:
Fri, 25 Aug 2017 15:17:23 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (161 lines)
And that now makes Bev an honorary member of the EQAB! Its getting harder
to disqualify Doug so I need all the help I can get and my chemistry
knowledge is shaky at times! Guess Doug and I took the same chemistry class!

Dave

On Fri, Aug 25, 2017 at 2:53 PM, Bev Christian <[log in to unmask]>
wrote:

> Doug,
> There is also a slight problem with your chemical formula.
> SO2NO4 stands for one sulfur atom, two oxygen atoms, one nitrogen atom and
> four oxygen atoms.
>
> I would humbly like to offer some comments and suggestions.
> 1) If you meant So2NO4, then you are implying an anion of NO4 (charge
> unknown). Such an anion or even an uncharged molecule of such a formula
> does
> not exist.
> 2) If you meant to write SoONO3, then So would have a charge of +3.
> 3) If you meant to write So2ONO3, then each So atom would have a charge of
> +1.5, which would be in keeping with some other half fractional elements.
> 4) Yet another possibility is that you should have written So2ONO3, where
> the NO3 is the highly unstable nitrous trioxide molecule (really does
> exist), which is stabilized as an adduct by the So2O entity. I say entity
> because I am not sure if it is covalent or ionic. Nevertheless, the
> oxidation number for So would be 1.
>
> The latter makes me wonder if the true atomic number is 48.5, not 46.5.
> This would make So2 similar to Hg2+2 and Cd2+2.  I worked on the latter
> during my time as a PhD student, but did not generate enough data for a
> degree and went off and looked at the sulfides and selenides of phosphorus
> and arsenic instead.
>
> There are other possibilities, but they entail suggesting that you made an
> error in not including another, additional type of half fractional element
> in the formula you stated and there are too many possibilities to go into
> here.
>
> I look forward to your reply and wonder if any of my guesses (2-4) and/or
> idea about the atomic number are correct or if you have an alternate
> explanation.
>
> Regards,
> Bev
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of David Hillman
> Sent: Friday, August 25, 2017 2:28 PM
> To: [log in to unmask]
> Subject: [TN] Element Quiz Answer
>
> Here is the Element Quiz Question:
>
> The Question:
> This element is a metal and has a large variety of commercial applications.
> It can be found in nature as a free element and is one of the best known
> element despite only being the 35th most abundant on Earth. The element is
> mentioned in the Bible and was known to ancient civilizations. This element
> has been poisoning humans for hundreds of years. This element is used in
> the Oddy test. Which element is being described?
>
> The Answer:
> The element is Lead (Pb). Lead is used in hundreds of commercial
> applications and has equally been shown to be toxic in hundreds of ways.
> Lead was added to wine, used in paint, used in gasoline and in cosmetics
> before its toxicity was fully understood. Lead chromate (PbCrO4) is a safe
> yellow pigment and lead azide [Pb(N3)2] is used as a detonator of
> explosives. Lead derives its name from the Latin word "plumbum" which is
> the origin of the English word "plumbing", all associated with the use of
> lead for water pipes in the Roman Empire.
>
> The Oddy test is a procedure created at the British Museum by conservation
> scientist William Andrew Oddy in 1973,[in order to test materials for
> safety in and around art objects. This test calls for a sample of the
> material in question to be placed in an airtight container with three
> coupons of different metals-silver, lead, and copper-that are not touching
> each other or the sample of the material.[3] The container is sealed with a
> small amount of de-ionized water to maintain a high humidity, then heated
> at 60 degrees Celsius for 28 days. An identical container with three metal
> coupons acts as a control. If the metal coupons show no signs of corrosion,
> then the material is deemed suitable to be placed in and around art
> objects. The Oddy test is not a contact test, but is for testing
> off-gassing.
>
>
> The winner of the quiz is Jerry Dengler, Pergamon Corp. and will get the
> services of Clumpy and Kloumpios for the week.
>
> The EQAB was quite impressed with Doug's submission of "solomonium" but due
> to he submitted silver as his first response, all other submissions are
> null and void. Additionally, William Oddy is alive and breathing which
> conflicts with some of Doug's details. EQAB did find it interesting that
> nearly everyone but Doug does not survive interactions with the half
> fractional elements!
>
>
> So far Clumpy and Kloumpios have done the following:
>
> Past Quiz winners/tasks:
> Week 1 Ravinder Ajmani, Western Digital
> Week 1 Ron Feyereisen, SigmaTron Intl.
> Week 2 Louis Hart, Compunetics
> Week 3 Mark Kostinovsky, Schlumberger Ltd.
> Week 3 John Burke
> Week 4 Drew Meyer, Benchmark Electronics
> Week 5 No Winner - no correct responses!
> Week 6 Bhanu Sood, NASA
> Week 7 Keith Calhoun, Sopark Corp
> Week 7 Ian Fox, Rolls Royce
> Week 8 Leland Woodall
> Week 8 David Bealer, SMT
> Week 9 Tom Carroll, Boeing
> Week 10 Louis Hart, Compunetics
> Week 11 Tom Carroll, Boeing
> Week 11 Scott Decker, UTAS
> Week 12 Matthias Mansfeld, Mansfeld Elektronik PCB Design and Assembly
> Week 13 No Quiz,
> Week 14 Matthias Mansfeld, Mansfeld Elektronik PCB Design and Assembly
> Week 15 Bhanu Sood, NASA
> Week 16 John Maxwell
> Week 17 Leland Woodall
> Week 18 Leland Woodall
> Week 19 Tom Carroll, Boeing
> Week 20 Robert Kondner
> Week 21 Tom Brendlinger, ClearMotion Inc.
> Week 22 Carl Van Wormer, Cipher Engineering LCC
> Week 23 Juliano Ribeiro, DATACOM
> Week 24 Gerry Gagnon, FLIR Commercial Systems
> Week 25 Graham Collins, Sunsel Systems
> Week 26 Joyce Koo, IPC International
> Week 26 Todd MacFadden, Bose
> Week 27 Bhanu Sood, NASA
> Week 28 Leland Woodall
> Week 29 Mordechai Kirshenbaum
>
> Week 30 Leland Woodall
> - It's roasting in NC right now, so the guys and I will have some early
> morning golf this weekend.  Next week they can assist me with writing work
> instructions for our rework department.  Joy, joy, right?
>
> Week 31 Leland Woodall
> - assisted with ????
>
> Week 32 Steve Gregory
> - assisted with ????
>
> Week 33 Leland Woodall
> - assisted with ????
>
> Week 34 Jerry Dengler, Pergamon Corp
> - assisted with ???
>
>
> I hope everyone has a awesome week.
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>

ATOM RSS1 RSS2