A new source>>>

[glondor]

I had a breakdown of my pick up truck a while back. My transfer case got stuck in 4 wheel drive low. The diagnosis was the electric motor that shifted the transfer case has quit, so I had it replaced. I kept the old unit to see if I could work out what happened to it. The screws holding the housing together were so corroded that I ended up just busting it open on a concrete floor. I dont know what this did as it flew out during the destruction, but I was amazed to see it. for all those who can get transfer case motors from Nissan trucks, here is what you get inside!!It is very thick, seems like 1/2 a mm thick.

 

[Barren Realms 007]

Have you ran any kind of test to make sure it is gold?

 

[butcher]

I cannot see any picture, but gold will not be in any tranfer case or motor, Unless on of you refiners hide your gold in there. bronze from bushings or brass shavings or finely ground brass would be a good thing to start testing for. not gold.

 

[Platdigger]

I don't know Butcher, looks like gold to me.
Probably a contact plate for the electrical power to the motor.

 

[Anonymous]

I've seen a lot of gold in my time,and that sure as heck looks like gold.......and LOTS of it!
It almost looks exactly like some gold transistors I processed recently

 

[Barren Realms 007]

If you look at the last picture at the bottom of the middle ring and on the right side of the center ring it almost looks like paint over spray? I hope I am wrong.

 

[glondor]

The part that looks like overspray is another one of the little bumps that run around the gold plated portions. the substrate is some kind of plastic. and where you can see the gold edge running thru the thickness i had pulled a sliver of plastic off. there are circular marks on the gold as if it had contacts rubbing around as the part rotated for its purpose. I will peel more plastic off and post another picture. I cannot test it as of yet as I do not yet have the chemicals yet.

A neodymium magnet has a very very slight attraction to it.

 

[glondor]

I pulled the plastic off the part.

What should I do next?

 

[butcher]

well I cannot see what this discussion is about, no picture where I sit, so found something about gold and nissan but do not get excited.
http://www.vadennissanwarranty.com/coverages/nissan-security-plus-gold.html

Nissan part# 999MP-MTF00P 75w85 MTF is GL-4 rated. Also, Spectro makes a straight 80w oil called Spectro Golden Gear Lube that is a GL-4. some oil can look like golden honey.

parts nowaday's are worth gold at least when I go to buy one at the auto parts store the guy asking me to pull out my wallet for the part thinks it is worth a chunk of gold.

 

[glondor]

Here is a direct link to photobucket for you butcher. what do you think?

http://smg.photobucket.com/albums/v697/23224/rocks/

 

[Anonymous]

Holy cow mike,I would not sleep until I tested that thing.I know theres no way in heck that its pure,but that color and texture are hypnotizing.You have got to let me know what the outcome is.

 

[butcher]

glondor, pictures are blocked on this computer I will look at them when I get home, tonight, thanks you guys have me all excited and I cannot see it.

 

[glondor]

Sorry Butcher, you will have to wait I guess. I tried the eraser test and after 100 scrubs with the eraser i see just gold. I scratched it pretty hard with a chisel and still just gold. I will find a small file tomorrow and see if I can find the base metal. best guess comparing it to a 1 oz silver maple leaf that it is about 15 grams or so total weight. I do not have a scale to measure it with yet. I wish I had some definitive test Mic just to satisfy both our curiosity.

 

[Barren Realms 007]

Sorry Butcher, you will have to wait I guess. I tried the eraser test and after 100 scrubs with the eraser i see just gold. I scratched it pretty hard with a chisel and still just gold. I will find a small file tomorrow and see if I can find the base metal. best guess comparing it to a 1 oz silver maple leaf that it is about 15 grams or so total weight. I do not have a scale to measure it with yet. I wish I had some definitive test Mic just to satisfy both our curiosity.

Do you have some acid drain cleaner and some clorox?

You can use table salt and vinger I think it was to make some HCL and then use some clorox to see if you get any thing to react.

 

[jimdoc]

You should be able to bend the center part out until it snaps.
Then check for flaking at the edges or see if the underlying metal
is a different color.

Jim

 

[glondor]

i will take a look here.

http://www.scienceforums.net/topic/17701-how-can-i-make-hydrochloric-acid/

 

[rusty]

I'm laying odds - NO GOLD.

 

[glondor]

sorry my old canon would take much better macros than this new Nikon. As you can see i broke it in two. I can see a separation between the inner and outer shell. I tried cutting it with a pair if needle nose pliers and the outer layer just smeared the whole cut shut.The inner metal looks yellowish to me as well.

 

[jimdoc]

Well it is not pure gold,so that means it is probably just brass.Brass has so many different alloy possibilities,and I guess quite a few look like gold.
I think if it was gold plated you would see flakes and possibly the nickel layer
that would be under the gold plating where you broke it.

Jim

 

[butcher]

It looks like gold, but clean brass can also, many people can be fooled with brass, one reason gold buyers always test the metal, looks can be deceiving. What function did the part have? The shape seems similar to a switch which would make different contact at different positions, the size of it and being almost solid yellow metal, seems very unlikely to me that much gold would be used. To make HCl from salt you need a stronger acid than the chloride like sulfuric acid (battery acid). A bisulfate and heat may work?
You may try a specific gravity test if you have no acid, but then you need a scale. a few drops of battery acid from a vehicle battery should tarnish the brass, but not effect gold. What chemicals do you have?
You need to get a few chemicals; it is hard to do tests for gold without them. Nice mystery