Gold Bug Thanks Gold Bug! Yeah it is a cheap test to run, and pretty hard to trick for silver. Gold is a little trickier because Tungsten is about the same density as gold. But for silver, nothing really close to it.
Silver has a specific gravity of 10.49 g/cc, Lead = 11.34 g/cc & Copper = 8.93. A silver plated bullion replica alloyed with 70% Lead and 30% Copper has the exact same specific gravity as silver, 10.49 g/cc. Determining that a given bullion piece is genuine or fake always requires multiple testing methods. This is commonly done with a minimum of three tests referred to as DUX: Density, Ultrasonic & Xray Fluorescence. However, verification of authenticity may occasionally require additional or substitute testing methods such as Celerity, Conductivity & Magnetic Susceptibility. In general, any three positive test results out of the six listed above are sufficient to establish the authenticity of a silver bullion piece or coin and any two negative tests are sufficient to call the authenticity into question. When the authenticity cannot be determined with certainty destructive testing may be necessary.
SalivateMetal Thanks SM! I know you tested some coins a few months back, so I wanted to try my hand at it. Wanted to see how it worked with weird shapes like the skulls. I'm glad it worked out lol...
Thanks for sharing. I added this video to my playlists 'Silver Stacking Fundamentals, Tips & Advice from fellow SIlver Stackers' that I share with the community.
Whats cool about this test is that you are testing the entire thickness and not just the surface. Also you do not have to deface the silver with acid or drilling holes in it. This is really the best test ever, and its easy to do... wow thanks
I know this video is a little old but I wanted to ask about the temperature of the water. When I worked in a lab years ago, we always measured density, weights, etc. with the liquid being at a specific temp. Does it matter for this test? Also, is it just tap water? Thanks.
Haha at 5:05 I laughed so hard when you said "o it's just changed, dummy" to your scale. Anyway, really thanks so much for the information that I've been searching for quite awhile. It's very helpful thanks. :D
I do this test with the water at 20 deg. (+/-2 deg) Celcius. I think most people become familiar over time when they get a fake. I've been lucky so far...knock on wood! This test gives very accurate results because it's mechanical & doesn't involve expensive & elaborate electronic equipment which sometimes could be hit or miss...quirky. Thanks for sharing.
Science class with Bill Nye the science guy. Great video good way to test your Silver. When I first saw the title I thought it was going to be the slide.
Really enjoyed this video. Now I can test my silver. I just bought the YPS Kilo Skull for $656 (ebay buy it now/best offer)was able to get some ebucks too since he didn't list it under coins, but only under collectibles, excited to get it and add to my collection. Thanks for the videos!
Wow, cool. Finally a video on this that has some value. Too many videos saying tap and listen, those have no value at all. We do need ways to test silver without wasting $30,000.00, what I seen testers go for.
Instead of using string, it's much easier to use a long plastic coated metal twist-tie to suspend the silver. The silver won't spin around and you can wrap the twist-tie around any shape. After you tare the water and the container, make sure you dip the twist-tie in the water to get the weight of the empty twist-tie (the one I used was 0.3g). You'll need to subtract this weight from the weight of the submerged silver.
Would this work if that bar was hollow on the inside but still submerged completely? It seems you are just measuring the volume of water being displaced by the object. So in theory a hollowed object could displace the same amount of water. But then I guess that would mess up the ratio when you weight the object on the scale.
john c Thanks John! I'm not sure the volume those nets would take up in the water. That is why you want something as small as possible because the larger it is the more it will skew your results.
101platayoro Because without the item touching anything you are only measuring the displacement of the item in water and not the weight of the item itself. So effectively it measures the density of the metal when you divide the 2 numbers. If it was sitting at the bottom of the water it would end up weighing more because you would actually be weighing the item and not the water displacement.
Thanks Silver Slacker, very interesting! I'm new to this, jumped in with both feet, without a lot of knowledge. So far i think i'm OK, bought most of it new online from reputable dealers. Just one concern, of all the locally bought 1 oz. rounds, i have 4 that are the same, they pass size, weight, SG test now, but one is .1 gram heavier (31.2g) & it doesn't pass the ping test (dull). All are 1985 One World Trade Unit rounds. Should i be concerned about that one? Thanks again, Cheryl :-)
This is so informative! I have some questions. What kind of scale is that? Name, model number? Where did you purchase it? Does it come with known confirmed weight standards, or did you have to purchase them separately? You got me hooked on those tombstones! Mine should arrive next week.
Domo Yeah the tombstones are really cool! The scale I bought was on amazon. Here is the link: www.amazon.com/American-Weigh-Scales-AMW-SC-2KG-Digital/dp/B001RF3XJ2/ref=pd_sim_sbs_79_2?ie=UTF8&refRID=1K2YVH3XKGDVE6AXATKS
Interesting. I would guess that this is probably the only conclusive test there is. Even the magnet slide-test and ping-test won't get all the fakes 100% of the time
I learn so much watching your videos!
+Silver Falkon Thanks bud, that makes me feel good about putting this content out!
Wow...I somehow missed this beauty....Great vid...always love to learn something new!!!
first time I see the actual gravity test performed! thanks! I'll think of running it myself for some of my items. great video again SS!
Gold Bug Thanks Gold Bug! Yeah it is a cheap test to run, and pretty hard to trick for silver. Gold is a little trickier because Tungsten is about the same density as gold. But for silver, nothing really close to it.
Silver has a specific gravity of 10.49 g/cc, Lead = 11.34 g/cc & Copper = 8.93.
A silver plated bullion replica alloyed with 70% Lead and 30% Copper has the exact same specific gravity as silver, 10.49 g/cc.
Determining that a given bullion piece is genuine or fake always requires multiple testing methods. This is commonly done with a minimum of three tests referred to as DUX: Density, Ultrasonic & Xray Fluorescence. However, verification of authenticity may occasionally require additional or substitute testing methods such as Celerity, Conductivity & Magnetic Susceptibility. In general, any three positive test results out of the six listed above are sufficient to establish the authenticity of a silver bullion piece or coin and any two negative tests are sufficient to call the authenticity into question. When the authenticity cannot be determined with certainty destructive testing may be necessary.
Excellent video! I always wondered how to test specific gravity. Thanks for the education!
Great info. Thanks for doing your samples
Thank you for the demonstration Sir!
You are very welcome :)
Thank you very informative and good to know I will be doing some testing now for sure. Very cool how you can figure this out
Awesome video and very informative. Thank you very much for educating us on this method. Much appreciated.
You are very welcome Jim. I'm glad you enjoyed it.
Very cool to see the test on the larger bars! Well done! Great video my friend.
SalivateMetal Thanks SM! I know you tested some coins a few months back, so I wanted to try my hand at it. Wanted to see how it worked with weird shapes like the skulls. I'm glad it worked out lol...
Silver Slacker I like testing my silver. Makes the investing and collecting fun! :)
Great educational video man!!
Love it.
Great video, I've never seen this test before. Thanks!
tpntch07 You are very welcome!
Thanks for sharing. I added this video to my playlists 'Silver Stacking Fundamentals, Tips & Advice from fellow SIlver Stackers' that I share with the community.
Silver Streak You are very welcome, I'm glad you enjoyed it!
Whats cool about this test is that you are testing the entire thickness and not just the surface. Also you do not have to deface the silver with acid or drilling holes in it.
This is really the best test ever, and its easy to do... wow thanks
+Pynenberg3 Thanks, yeah I prefer this test to all others.
Very well done video SS! Thanks for taking the time to inform us how to do this in the event there is a need to know!
LadyLibertyStacker You are very welcome LLS! I'm glad you found it informative!
You did good man
Great video
i learned alot . thanks
cheers
long13hair You are welcome bud!
Wow thanks Slacker. Great video, I actually learned something.
I know this video is a little old but I wanted to ask about the temperature of the water. When I worked in a lab years ago, we always measured density, weights, etc. with the liquid being at a specific temp. Does it matter for this test? Also, is it just tap water? Thanks.
Really nice experiment. I learned something new!
***** Thanks BigStack, I am happy to put out some new information for some.
I'm loving this video. Thanks for the knowledge Master Silver Stacker. Signed grasshopper.😃
1966Hemi426 You are very welcome! I am glad I could inform some people!
Haha at 5:05 I laughed so hard when you said "o it's just changed, dummy" to your scale. Anyway, really thanks so much for the information that I've been searching for quite awhile. It's very helpful thanks. :D
lol, I'm glad you found it informative and it could help!
Nice demonstration, thank you.
jack stack and silver ho You are very welcome!
Good to know info. Thanks for taking the time to make this vid.
vulcan5678 You are very welcome Vulcan!
Thanks that was very informative and easy to understand.
***** You are very welcome Simon! I'm glad you enjoyed it and found the information useful.
Wow. Great video. Thanks so much.
Excellent info thanks for making this.
rbelena You are very welcome, I'm glad you learned something.
Very cool video. This was a really interesting experiment. Thanks for sharing.
I did find the video very interesting so thank you, also added to my favourites :)
Young SilverStacker You are very welcome, I'm glad you like it!
I do this test with the water at 20 deg. (+/-2 deg) Celcius. I think most people become familiar over time when they get a fake. I've been lucky so far...knock on wood! This test gives very accurate results because it's mechanical & doesn't involve expensive & elaborate electronic equipment which sometimes could be hit or miss...quirky. Thanks for sharing.
Thanks Rick and I'm glad you enjoyed the video.
great video, very useful!
thanks!
Great test
That's great! I like it. it's very useful.
+Good A Thanks, I'm glad you found it useful!
Great video, its a very accurate test !!
Keep @ it and Happy Stacking !!
MUDSWAT Thanks, I will!
Science class with Bill Nye the science guy. Great video good way to test your Silver. When I first saw the title I thought it was going to be the slide.
McG LOL, yeah. Thick bars don't have enough surface area touching the slide to really slow them down much like the coins do.
Great information, thanks for making this.
Caveman Silver Stacker You are very welcome CSS!
Interesting and very helpful. Thank you. Thumb up.
Thanks Max, I'm glad that you found it helpful!
Great Video!
Excellent video! Now I need to buy myself a scale to test this out with my silver.
David C Thanks David, yeah it is a pretty cheap way and non destructive way to test your silver.
Awesome video.👍👍👍
Really enjoyed this video. Now I can test my silver. I just bought the YPS Kilo Skull for $656 (ebay buy it now/best offer)was able to get some ebucks too since he didn't list it under coins, but only under collectibles, excited to get it and add to my collection. Thanks for the videos!
That is an awesome deal Eric! Congrats on the great pickup, and I'm glad you enjoyed the video!
how much pure would be the gold if it 15.57 density?
Excellent video
Thanks much
+MonkArt Thanks, I'm glad you enjoyed it!
Very informative thanks for posting
Wow, cool. Finally a video on this that has some value. Too many videos saying tap and listen, those have no value at all. We do need ways to test silver without wasting $30,000.00, what I seen testers go for.
+BiddieTube Thanks Biddie, I'm glad you found the information useful!
Dude, touch the bottom to stop the spinning, the pick it up off the bottom.
Love that opening!
TheRealMarazzi Thanks, yeah it was a lot of fun to do :)
That is awesome! I'm definitely going to try this with some off my pieces.
Silver Stackin'14 Thanks, yeah it is always good to check every once in awhile, just to be sure! :)
I agree! I recently bought a silver plated copper round with all the right markings... Luckily the gold shop I go to reimbursed me for it.
Silver Stackin'14 Yeah that sucks, but it is good you got your money back! You can never be to safe nowadays!
Fascinating!
newsjunkie3000 Thanks, I'm glad you liked it!
That was great , thank you
You are very welcome Cheryl! I'm glad you enjoyed it.
Thanks for sharing. Gives me an excuse to play with my silver.
Ag Addict LOL you are very welcome!
Awsome info!! How come I've never heard of this technique lol.
Thanks for sharing 😎
American Dreamin Not sure it has been around for awhile. It is just kind of a pain to do.
very good video. thank you.
Excellent...thank you !!!!
You are very welcome!
Great Video
Pretty kool gonna have to try it
Instead of using string, it's much easier to use a long plastic coated metal twist-tie to suspend the silver. The silver won't spin around and you can wrap the twist-tie around any shape. After you tare the water and the container, make sure you dip the twist-tie in the water to get the weight of the empty twist-tie (the one I used was 0.3g). You'll need to subtract this weight from the weight of the submerged silver.
Good tip, thanks for sharing it!
Awesome video.
Au Rebel Thanks!
Good educational video. Nice silver also.
goldsilverandiamonds Thanks!
I had two bars sold to me for .999 fine silver and the gravity was 10.0 on one and 10.384 on the other. Can you tell me if either is good?
Would this work if that bar was hollow on the inside but still submerged completely? It seems you are just measuring the volume of water being displaced by the object. So in theory a hollowed object could displace the same amount of water. But then I guess that would mess up the ratio when you weight the object on the scale.
Great video! I would try getting one of those green nets people use for their aquariums to hold odd shaped pieces of silver for this test.
john c Thanks John! I'm not sure the volume those nets would take up in the water. That is why you want something as small as possible because the larger it is the more it will skew your results.
+Silver Slacker Couldn't you put the net in the water and tare it?
Thx for this purity testing lesson :0)
Dave Silver You are welcome :)
excellent video. Downloaded and filed away for future reference. Thanks SS
Silverino this what I use to download and also to convert videos to MP3 for my player. It is free! www.ytddownloader.com/
Silverino Thanks, and great link! I never knew you could download CZcams videos!
Great video!
Thanks!
Thank you, very good and well explained. :)
You are very welcome!
great vid, excellent job
Thanks Tim!
Good one silver slacker thanks i need to test my silver soon
great info. thanks Silver Slacker
I'm glad you found it usefull!
hi I used fishing line and it worked great. Thanks for the tip
+bill boo You are very welcome!
Thank you for sharing this
wolf5391 You are welcome wolf!
good to know, thanks for sharing
Silver Saving You are welcome, thanks for watching!
Led is 11,34g/cm3. If mixed with coper the alloy can achieve density like silver. Isn't it?
great vid. very helpful !
Thanks!
kool vid right there keepem coming
hash glass Thanks, I will :)
Great lesson I thought the magnet test was the besr but this em's even better
Thanks, and it is much better than the magnet test since copper is also diamagnetic just like silver and so are a couple other metals.
fantastic great clip
+Stanley Bashline Thanks Stanley, I am glad you enjoyed it!
very cool thanks dude
J. AuH20 You are very welcome!
thank you, found some items that I believe are silver and will use this to test it.
+Jason Miller You are very welcome Jason!
how does the gravity test work?
Well done test. good details.
Silver Bear Thanks Silver Bear, I hope I explained it well enough lol..
Amazîng, thx a lot man 🙏🙏
I love these how to videos. I want to do this with some of my stuff....
+Bullion Calculator Glad you found it informative!
Very interesting video!
+David Harford Thanks David.
Excellent video.
Thanks!
Awesome
Could you explain why you just can't drop the object into,the water? Thanks, very helpful video.
101platayoro Because without the item touching anything you are only measuring the displacement of the item in water and not the weight of the item itself. So effectively it measures the density of the metal when you divide the 2 numbers. If it was sitting at the bottom of the water it would end up weighing more because you would actually be weighing the item and not the water displacement.
Thanks Silver Slacker, very interesting! I'm new to this, jumped in with both feet, without a lot of knowledge. So far i think i'm OK, bought most of it new online from reputable dealers. Just one concern, of all the locally bought 1 oz. rounds, i have 4 that are the same, they pass size, weight, SG test now, but one is .1 gram heavier (31.2g) & it doesn't pass the ping test (dull). All are 1985 One World Trade Unit rounds. Should i be concerned about that one? Thanks again, Cheryl :-)
I see small discrepencies all the time, but failing the ping test is definitely a big problem, did you do the specific gravity test?
pretty cool sir..thanks
You are welcome Dell!
Interesting, thanks
Very cool and good to know
SilverGamer Thanks!
Thanks!
This is so informative! I have some questions. What kind of scale is that? Name, model number? Where did you purchase it? Does it come with known confirmed weight standards, or did you have to purchase them separately?
You got me hooked on those tombstones! Mine should arrive next week.
Domo Yeah the tombstones are really cool! The scale I bought was on amazon. Here is the link: www.amazon.com/American-Weigh-Scales-AMW-SC-2KG-Digital/dp/B001RF3XJ2/ref=pd_sim_sbs_79_2?ie=UTF8&refRID=1K2YVH3XKGDVE6AXATKS
Thanks Silver Slacker! I'll buy one.
AWESOME!!!!!
Thanks Miguel!
Thanks... How i can get the list of mass??
Very interesting, thanks for sharing.
You are very welcome!
Interesting. I would guess that this is probably the only conclusive test there is. Even the magnet slide-test and ping-test won't get all the fakes 100% of the time
+CHIP Yeah it is the most conclusive test besides having a $1,000 machine to test it.
good test thanks
I just learned something new.
Alton L Alton I'm glad I could help!
Very interesting video,
Thanks Ray!
very informative video,,thanks for sharing this technique..
***** You are very welcome! I am glad you liked it.