I agree that if something is sold as a "micro-mount" with no weight
specified then it is assumed the piece is small and can technically
even be even as small as 1 mg.. although when selling mounts that have
specified weights or ranges in weights it only makes sense that the
actual specimen be that
All,
I work with a hand-held Niton XRF on a regular basis, and they are amazing
machines if one recognizes their proper applications and limitations. The
first
limitation is that they can't measure anything lighter than sodium (or more
realistically, sulfur) unless you buy a super expensive h
I have a cheap Chinese scale for which I paid under $20. I never
thought to question its accuracy since I've never been in a position
where 5mg either way made a difference.
But, let me propose a solution for the occasional user who doesn't have
hundreds of dollars burning a hole in their pock
Yes, I have poor luck with almost everything made in China these days but you
have to look carefully for the made in China stickers in order to avoid being
taken. I just had an Igloo bar refrigerator fail in less than 8 months. After
reading the warranty carefully, I found out that only the po
Hi List. Can anyone recommend a decent scale that will read in milligrams.
No cheapies please but rather something that is + - 2 milligrams, good
quality and consistently accurate and I don't have to sell a lung on eBay to
afford one. Doesn't have to exceed 20gms. Somewhere in the $150-250 rang
For that price shipping could be lower.
Chris Spratt
(Via my iPhone)
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A little perspective on milligrams:
There are a lot of meteorite mg weights out there that not accurate. We can
thank these new, cheap Chinese digital scales that promise accuracies of +/-
1mg or less, which are a complete joke. I bought one in Tucson to test it
out against my high-end calibrated
Hi Listees and Micronauts,
There has been some discussion recently about people buying
micromounts from a vendor on eBay and not getting the weights they
were promised. I thought I would throw out some thoughts on micros,
since those are my bread and butter.
First, the definition of "micromount"
Hello Count
The one we are playing with now is a Niton XL3t. It's about $30k but
don't quote me on that. Google Niton XRF and you'll find it.
A few people have responded and we are going to see if we can add to
the element list.
Kind Regards,
Jim Wooddell
On Thu, Jun 30, 2011 at 3:47 PM, Count
Anyone on List like to smarten me up as to what one of these XRF "guns" cost
and where one could be purchased?
Count Deiro
IMCA 3536
-Original Message-
>From: Jim Wooddell
>Sent: Jun 30, 2011 2:01 PM
>To: cdtuc...@cox.net
>Cc: Meteorite List
>Subject: Re: [meteorite-list] XRF Test res
Jim,
My posts are moderated so, they do not post in real time but , until Art
releases them. Please excuse these delays.
I don't know of any such links with XRF generated data.
I only had my own data that I paid Blaine to produce from my own rocks.
In order to compare data with that of known met
Hi!
I am not trying to compare. All I need is a go - no go. Then it's
off to a lab for classification.
I had sent this lady a list for elements. She is going to see if she
can do them when she get home. Her gun is one of the better higher
end units.
So I will add Cr Mn and Na, thank you.
I
Hello Carl,
If you have links to XRF test result data on meteorites, can you
please provide them to me?
Thank you
Jim Wooddell
On Thu, Jun 30, 2011 at 10:14 AM, wrote:
> Jim, Scientists, List,
> I 'd like to hear more on this topic as well. Preferably from a qualified
> Scientist as f
Happy Birthday to one of the biggest blammers ever! Tunguska!
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Phil Whitmer
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http://marsrovers.jpl.nasa.gov/mission/status.html#opportunity
OPPORTUNITY UPDATE: Opportunity Is Just Over a Mile From Crater Rim -
sols 2635-2640, June 23-28, 2011:
Opportunity is making excellent progress towards Endeavour crater with
only about 2 kilometers (1.2 miles) to go before the firs
June 30, 2011
Trent Perrotto
Headquarters, Washington
trent.j.perro...@nasa.gov
202-358-0321
Mary Blake
Northrop Grumman, Redondo Beach, Calif.
mary.bl...@ngc.com
310-812-6291
RELEASE: 11-210
NASA COMPLETES MIRROR POLISHING FOR JAMES WEBB SPACE TELESCOPE
WASHINGTON -- Mirrors ar
MARS RECONNAISSANCE ORBITER HIRISE IMAGES
June 29, 2011
o Active Gullies in Crater Dune Field, Southern Polar Region
http://hirise.lpl.arizona.edu/ESP_022255_1095
These dune gullies are located in an unnamed crater just north
of the Richardson Crater, which also contain dune gullies.
I bought several of the displays mentioned. ALL were well under half the listed
weight. And there were made and from an IMCA member.
Greg Catterton
www.wanderingstarmeteorites.com
IMCA member 4682
On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites
On Facebook: http://www.facebook.com/Wa
hi lists,
british and german astronomers have detected the youngest quasar ever found in
space. The object came into being only 770 million years after BIG BANG.
Look at :
http://www.msnbc.msn.com/id/43580955/ns/technology_and_science-space/
m42protosun
Well, I think the MD fireball is just an observation of the launch of a
Minotaur rocket from Wallops Island. The rocket was carrying the ORS-1
satellite. Launch occurred at 11:09pm. There were some (low) clouds in
the area so it would have seemed to 'disappear'...
I viewed the launch from Alex
Hi all!
I sent a sample UNWA (for her to keep) to a person that had never
tested meteorites before with her Niton XL3t gun with a 50kv x-ray
tube. She normally test other types of environmental testing with her
gun and is very good at it.
She return a standard report using two different methods
Dear List, Recent activity:
Texas Red Meteor Fireball 29JUN2011
Maryland Meteor Fireball 29JUN2011
El Paso, Texas White/Red Meteor Fireball Witnessed and Captured 28JUN2011
Sweden / Finland / Estonia Green Bolide Meteor Fireball 27JUN2011
Morgan, Utah Bright Orange-colored Meteor 27JUN2011
R
Hi Everyone
Happy Birthday Nakhla. 100 years old (+1.3 Billion of course) and still going
strong. I am assuming the telegraph from the Queen somehow got lost in the
post! By an extraordinary coincidence, I was actually installing the Nakhla
into its new case in our soon to be re-opened gallerie
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