結果 : how to check gold with nitric acid
4:48

How To Test Gold with Nitric Acid

Kyle Billings
17,765 回視聴 - 5 年前
4:20

How to Test Gold with Nitric Acid - Portland Gold Buyers

Portland GoldBuyers
23,267 回視聴 - 13 年前
1:01

Testing 14K Gold and Brass using Nitric Acid Demonstrating Solubility of Copper in Nitric Acid! 🐺🔥

TBBW Don’tPlayNoReindeerGames
4,982 回視聴 - 1 年前
0:41

HOW TO TEST FOR FAKE GOLD? Do this to test your jewelry #test #gold #viral #acid #jewelry #goldtest

Goldsmithing Tv
589,731 回視聴 - 1 年前
6:56

How to use Gold testing acid!! What THEY don’t want you to know

Kendall Todd TheSilverGuy
194,815 回視聴 - 7 年前
0:27

REAL or FAKE GOLD Chains: Nitric Acid GOLD testing (10kt, 14kt, or 18kt?)

John Fish
12,484 回視聴 - 4 か月前
0:58

TESTING GOLD JEWELRY AT TRAXNYC #shorts

TraxNYC Diamond Jewelry
1,287,031 回視聴 - 1 年前
6:32

Easiest way to Test Gold Jewelry using Nitric Acid

Colorado Precious Metals Exchange
2,184 回視聴 - 13 年前
1:03

Testing for Fake Jewellery / Black Stone Nitric Acid Test

Gold Arts
3,253 回視聴 - 9 か月前
1:08

How to Test lower Karat Golds with only 14K Gold acid solution & to never use the 10K acid solution

TBBW Don’tPlayNoReindeerGames
4,843 回視聴 - 2 年前
4:00

Is Your Gold Real? How To Test 10K Gold with Acid - Real Results!

Beach Gold
75,592 回視聴 - 6 年前
1:28

Dissolving a pure gold bar in acid

NileRed 2
2,841,949 回視聴 - 2 年前
0:14

Spurious gold checking with Nitric acid and Salt water.

UK VISUALS
1,991 回視聴 - 7 年前
1:19

How to test Real Gold using nitric acid/axido | @DennisRomocVlog

Dennis Romoc Vlog
202 回視聴 - 1 年前
1:19

NITRIC ACID TEST PASS CHALLANGE ACCEPTED 15% TUNCH JEWELLERY 10% to 35% TUNCH 24CT GOLD COATING

NEELAM JEWELLERS PRIVATE LIMITED
11,360 回視聴 - 2 年前
7:25

How to Test Gold, Silver, & Platinum

TheCashForGoldStore
282,404 回視聴 - 14 年前
1:16

Nitric Acid Gold Testing - Copper Reaction

Portland GoldBuyers
15,720 回視聴 - 6 年前
4:29

Destructive Nitric Acid test of unknown ingot, Is there Gold?

Intermountain Gold Refiners
28,228 回視聴 - 5 年前
1:03

TESTING REAL GOLD AND NOT JEWELRY TO NITRIC ACID

Rochelle Rosete
153 回視聴 - 2 年前
1:35

Unlocking the Gold Standard: The Chemistry of the Acid Test

iitutor.com
663 回視聴 - 3 年前