結果 : does gold rust in water
5:19

Does GOLD Rust, Tarnish, or Corrode?

ELI
18,447 回視聴 - 5 年前
13:02

We Were Wrong About Gold's Origin

Dr Ben Miles
993,420 回視聴 - 4 か月前
18:11

Turning a BLOB into PURE GOLD!

Modern Goldsmith
17,553,880 回視聴 - 1 年前
1:28

Dissolving a pure gold bar in acid

NileRed 2
2,837,999 回視聴 - 2 年前
11:10

I Can't Believe This Worked So Well! | Vinegar Gold

Vo-Gus Prospecting
541,177 回視聴 - 2 年前
2:01

How To Clean Gold With Baking Soda | SUPER EASY!

J Three B Metal Detecting
163,617 回視聴 - 3 年前
1:12

Vinegar Test | How To Test Gold Jewelry At Home (Real or Fake)

DonGilded
456,771 回視聴 - 2 年前
4:16

偽金の見分け方は?

TraxNYC Diamond Jewelry
1,396,238 回視聴 - 5 年前
17:14

Nexus MP V2 and Minelab Manticore on Salt Water Beach Metal Detecting

Diggin Dude
506 回視聴 - 2 日前

-
6:00

How to clean gold jewellery at home

House 2 Home
3,273,590 回視聴 - 6 年前
11:16

Finding Gold In Oxidized Conglomerate Rocks!

911 EXPLORATION CORP
128,064 回視聴 - 5 年前
21:50

Gold Recovery & Refining with Hydrogen Peroxide, Easier Gold Smelting

mbmmllc
585,644 回視聴 - 3 年前

-
1:48

Extracting Gold From Black Sands

Spud Engineering
29,631 回視聴 - 2 年前
7:12

Does Real Gold Tarnish over time? Should you buy 10k or 14k Gold?

Mining Asteroids
29,223 回視聴 - 3 年前
17:55

Tips on how to find more gold panning on the river.

Two Toes
46,853 回視聴 - 1 年前
2:14

Corrosion and rust- Science

Elearnin
297,431 回視聴 - 12 年前
11:18

5 WAYS TO RUST PROOF Without Paint!!! CHEAP, FAST & LONG LASTING

Cafe Racer Garage
2,779,502 回視聴 - 1 年前
11:47

How To Identify Gold In Rocks? Cutting Ore Samples, Mineral Identification, Finding Free Gold!

mbmmllc
441,512 回視聴 - 4 年前
4:58

The long awaited RUST TIME LAPSE

Photo Owl Time Lapse
341,667 回視聴 - 2 か月前
8:31

DIY Rust Blue - Bluing with Peroxide, Vinegar and Salt

357magdad
354,114 回視聴 - 1 年前