GENERAL PROPERTIES
|
|
|
CHEMICAL SYMBOL |
Au |
|
ATOMIC WEIGHT |
97.2 |
|
SPECIFIC GRAVITY |
19.3 |
|
MELTING POINT |
1,063°C |
|
BOILING POINT |
2,600°C |
| *Chemical Engineers’ Handbook R.H. Perry Ed. 1973 | |
Yellow and bright precious metal, ductile, high density; inert to environmental agents, soft, excellent conductor of electricity and heat.
|
|
MILLIMETERS |
INCHES |
||||
|
LARGE |
WIDTH |
HEIGHT |
LARGE |
WIDTH |
HEIGHT |
|
|
Bar |
190 |
90 |
44 |
7 1/5 |
3 9/16 |
1 3/4 |
|
Small Box |
284 |
153 |
145 |
11 3/16 |
6 1/16 |
5 11/16 |
|
Large Box |
284 |
673 |
144 |
11 3/16 |
10 1/2 |
5 11/16 |
|
Sheet |
85 |
75 |
0.79 - 0.87 |
3 3/8 |
2 15/16 |
1/29 - 1/32 |
SHAPE, SIZE AND PACKAGING:
- In bars of approximately 12.5 kgs. (400 TO).
- Packed in a canvas bag and placed in a wooden box. Fine gold sheet gage max. number 21 (0.0343 in.) and 22 gage min. (0.0312 in) with an approximate weight of 100 grs. (3 TO).
- Fine gold sheets inside a plastic bag are placed into a canvas bag which is then packed in a wooden box with a maximum weight of 20 Kgs. (640 TO).
Registered since 1991 in the London Metal Bullion Market.
TYPICAL ANALYSIS: |
(%) |
PEÑOLES |
|
|
Gold by difference |
min. |
99.95 |
99.99 |
|
Silver + Copper |
max. |
0.04 |
|
|
Silver |
max. |
0.035 |
0.009 |
|
Copper |
max. |
0.02 |
0.005 |
|
Palladium |
max. |
0.02 |
0.005 |
|
Iron |
max. |
0.005 |
0.002 |
|
Lead |
max. |
0.005 |
0.002 |
|
Silicon |
max. |
0.005 |
|
|
Magnesium |
max. |
0.003 |
|
|
Arsenic |
max. |
0.003 |
|
|
Bismuth |
max. |
0.002 |
|
|
Tin |
max. |
0.001 |
|
|
Chromium |
max. |
0.0003 |
|
|
Nickel |
max. |
0.0003 |
|
|
Manganese |
max. |
0.0003 |
|
ASTM B562 86 SPECIFICATION IS GUARANTEED BY MET-MEX
| USES: Jewelry Coinage Electronics |
Treasury Dentistry Fountain pens Solder Watches |
Telephone switches Computer circuits Glass and porcelain coating |