High Purity Metal Specialists
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GOLD (Au)

 

MATERIAL OVERVIEW

Characteristics: Yellow, ductile metal, relatively soft, does not corrode in air, but is tarnished by sulfur. Chemically nonreactive and nontoxic; attacked by chlorine and cyanide solutions in presence of oxygen. Soluble in aqua regia; insoluble in acids. Excellent reflector of infrared and heat. Extremely high light reflectivity. Nontoxic.  

 

GENERAL PROPERTIES

Symbol:

Au

Atomic Number:

79

Atomic Weight:

196.9665

Density:

18.88 gm/cc

Melting Point:

1064.43 oC

Boiling Point:

3080 oC

Thermal Conductivity:

3.18 W/cm/oK @ 298.2 oK

Electrical Resistivity:

2.214 microhm-cm @ 20 oC

Electronegativity:

2.4 Paulings

Specific Heat:

0.308 Cal/g/oK @ 25 oC

Heat of Vaporization:

81.8 K-Cal/gm atom at 3080 oC

Heat of Fusion:

3.03 Cal/gm mole

TYPICAL ANALYSES

Impurities in ppm

Material / Purity:

3N5

4N

5N

6N

Ag

190

<30

3

-

Cu

10

2

1

-

Fe

45

7

0.4

-

Mg

10

4

0.4

0.5

Pb

-

-

-

-

Si

5

1

0.1

-

Pd

110

17

-

-

Pt

<130

<20

-

-

 

GOLD WIRE

Material

Purity

Gold Wire .005” to .090”

3N5, 4N, 5N

Wire diameters are available in increments of .001”.
Wire is spooled to order and sold by the foot or meter.  

GOLD ROD

Material

Purity

Gold Rod .0625”

3N5, 4N, 5N

Gold Rod .125”

3N5, 4N, 5N

Gold Rod .250”

3N5, 4N, 5N

Gold Rod .500”

3N5, 4N, 5N

Gold Rod .625”

3N5, 4N, 5N

Gold Rod .750”

3N5, 4N, 5N

Gold Rod 1”

3N5, 4N, 5N

Additional diameters can be drawn in 2-3 days.
Rod is cut to order and sold by the inch or foot.  

GOLD FOIL

Material

Purity

Gold Foil .001”

3N5, 4N, 5N

Gold Foil .002”

3N5, 4N, 5N

Gold Foil .003”

3N5, 4N, 5N

Gold Foil .004”

3N5, 4N, 5N

Gold Foil .005”

3N5, 4N, 5N

Gold Foil .006”

3N5, 4N, 5N

Gold Foil .007”

3N5, 4N, 5N

Gold Foil .008”

3N5, 4N, 5N

Gold Foil .009”

3N5, 4N, 5N

Foil is cut to order and sold by the square inch or square foot.  

GOLD SHEET

Material

Purity

Gold Sheet .010” to 1.0”

3N5, 4N, 5N

Sheet thicknesses are available in increments of .001”.
Sheet is cut to order and sold by the square inch or square foot.  

GOLD SPUTTERING TARGETS

Material

Purity

Gold Sputtering Target 2"D X .125"T

3N5, 4N, 5N

Gold Sputtering Target 2"D X .250"T

3N5, 4N, 5N

Gold Sputtering Target 3"D X .125"T

3N5, 4N, 5N

Gold Sputtering Target 3"D X .250"T

3N5, 4N, 5N

Gold Sputtering Target 4"D X .125"T

3N5, 4N, 5N

Gold Sputtering Target 4"D X .250"T

3N5, 4N, 5N

Additional sizes and sputtering targets produced from compounds are available
upon request.  

GOLD POWDER, SHOT, PELLETS, & INGOT

Material

Purity

Gold Shot 3-6mm 

3N5, 4N, 5N, 6N

Gold Pellets  .250"D X .125"L

3N5, 4N, 5N

Gold Pellets .250"D X .250"L

3N5, 4N, 5N

Gold Ingot

3N5, 4N, 5N

Gold Powder-100 Mesh

3N5, 4N, 5N