Gold grain

170222510368

7440-57-5

keradec | powdersafe 1785-01 | agc micro | gold black | ph 870 | t 10112 | furuuchi 8560 | g1402 | alfa-aesar | gold 197 | gold | finesphere gold w 101 | sg 10nk | colloidalgold | npg-j | britecote | au 050316 | auric | aue 003a | palegold 5550 | ay 5022 | npg | perfect gold | goldn | shell gold | cg 001 | e 175 | burnish gold | ci77480 | technic 504 | gc | au 050921 | glod | tau 200 | gold element | au net | c.i. pigment metal 3 | au | au np | gold flake | a4953 | c.i. 77480 | tr 1306 | powdersafe 1790-01 | gold powder | a 4631 | aurous | auw 101 | finesphere gold w 011 | gold leaf

Au

196.9666

19.3 g/mL at 25 °C(lit.)

2808 °C(lit.)

4 °C

1063 °C(lit.)

n20/589.3 1.523

zero Stability Stable. May react with halogens, strong oxidizing agents, ammonia,hydrogen peroxide.Reaction with ammonia or hydrogen peroxide may form explosive materials.Toxicology Tumorigenic and reproductive ef

orange-yellow - brown-yellow Powder

Ingots; sheet; wire; tubing; powder; leaf; alloys with copper or other metals, the gold content being expressed in carats (the number of parts of gold in 24 parts of alloy). Single crystals and aqueous colloidal suspensions. Leaf may be made in near-colloidal thickness; one troy ounce covers 68 sq ft at 0.0001 inch thickness.

South Africa, the former U.S.S.R., northwest Canada, U.S. (South Dakota, Nevada, Utah, Alaska, California), Australia. Oceans are estimated to contain 70 million tons in solution, with 10 billion additional tons on the ocean floor. There is no present economical method of exploiting these resources.

6.1

危险符号:

歐洲標準危險象形圖，代碼和定義

36/38-43-67-65-63-48/20-38-11-34-23-52/53 (R)

3

UN 1789 8 / PG 3

MD5420000

2-8°C