Catalog Number
ACM7440575-122
Product Name
Gold coated glass cover slip
Category
Substrates and Electrode Materials
Description
Gold-coloured powder or tiny sheets;Soft yellow metal; gold-colored powder or tiny sheets.
Molecular Weight
196.96657g/mol
InChI Key
PCHJSUWPFVWCPO-UHFFFAOYSA-N
Boiling Point
2700 deg C;4892°F
Melting Point
1064.76 deg C;1948.57°F
Solubility
INSOL IN WATER, ACID; SOL IN POTASSIUM CYANIDE, HOT SULFURIC ACID;Soluble in aqua regia, insoluble in acids;Dissolves readily in 3:1 hydrochloric-nitric acid to form HAuCl4; dissolves in cyanide solutions in the presence of air or hydrogen peroxide to form Au(CN)2
Application
The gold-coated glass cover slip serves a vital role in various advanced applications due to its unique properties. Gold, historically treasured for its rarity and malleability, has evolved from its ancient uses in decoration and currency to become a key material in numerous industrial and medical applications. The stunning conductivity and chemical inertness of gold make it especially suitable for use in electronics and plating. A gold-coated glass cover slip, leveraging these properties, is often used in scientific and medical contexts where reliable and precise surface interactions are crucial. This product maximizes the utility of gold's unreactive nature and excellent electrical and thermal conductivity, allowing for innovative applications ranging from biomedical devices ensuring radio opacity to complex electronic components. Additionally, the gold coating resists ionization and remains biologically benign, making it particularly valuable in environments that demand both stability and safety.
Color/Form
Soft, yellow metal;Cubic, yellow, ductile, metallic crystals; forms red, blue, or violet colloidal suspensions.;Yellow, ductile metal, relatively soft;Yellow, soft metal, face-centered cubic structure;Malleable, lustrous, yellow metal;When prepared by volatilization or precipitation methods, deep violet, purple, or ruby powder
Covalently-Bonded Unit Count
1
Heat of Vaporization
324 kJ/mol
MeSH Entry Terms
Colloid, Gold;Colloidal Gold;Gold Colloid;Gold, Colloidal
Monoisotopic Mass
196.96657g/mol
Other Experimental
/Gold/ reacts with aqua regia, with mixture containing chlorides, bromides, or iodides if they can generate nascent halogens, with many oxidizing mixture especially those containing halogens. Also with alkali cyanides, solution of thiocyanates and double cyanides.;VP: 1 Pa @ 1373 °C; 10 Pa @ 1541 °C; 100 Pa at 1748 °C; 1 kPa @ 2008 °C; 10 kPa @ 2347 °C; 100 kPa @ 2805 °C;Hardness (Mohs') 2.5-3.0; (Brinell's) 18.5; one natural isotope: 197; artificial isotopes (mass number): 177-179, 181, 183, 185-196, 198-203; Atomic number 79; Valences 1 and 3;Extremely inactive; not attacked by acids or oxygen; superficially attacked by aqueous halogens at room temperature; Reacts with aqua regia, with mixtures containing chlorides, bromides, and iodides, if they can generate nascent halogens, with many oxidizing mixtures, especially those containing halogens, also with alkali cyanides, solutions of thiocyanates and double cyanides.;Excellent reflector of infrared and heat; electrical resistivity: 2.06 microohm-cm @ 0 °C; extremely high light reflectivity;Standard enthalpy of formation: 366.1 kJ/mol (gas);Enthalpy of fusion: 12.55 kJ/mol;Does not corrode in air, but is tarnished by sulfur; chemically non-reactive; attacked by chlorine and cyanide solutions in the presence of oxygen.;GOOD CONDUCTOR OF HEAT AND ELECTRICITY;Very stable and nonreactive, does not burn or oxidize in air; reacts with various oxidizing agents at ambient temperatures provided a good ligand in present to lower the redox potential below that of water; not attacked by most acids under ordinary conditions; stable in basic media; reacts with halogens, particularly in the presence of moisture, and at low (<200 °C) temperatures.;IT FORMS ALLOYS WITH A NUMBER OF METALS INCLUDING SILVER, COPPER, PLATINUM, PALLADIUM, MANGANESE, ZINC & MAGNESIUM
Stability
Extremely inactive; not attacked by acids, air or oxygen. Superficially attacked by aq halogens at room temp.;Does not corrode in air, but is tarnished by sulfur;...Stable in basic media.
