- is
highly valuable and is a
major precious metal commodity.
Platinum is one of the
least reactive metals. It has
remarkable resistance to corrosion,...
- The
platinum-group
metals (PGMs), also
known as the platinoids, platinides, platidises,
platinum group,
platinum metals,
platinum family or
platinum-group...
-
earliest known metals—common
metals such as iron, copper, and tin, and
precious metals such as silver, gold, and
platinum—are
heavy metals. From 1809 onward...
-
Precious metals are rare,
naturally occurring metallic chemical elements of high
economic value.
Precious metals,
particularly the
noble metals, are more...
-
precious metals involves the use of
either nuclear reactors or
particle accelerators to
produce these elements.
Ruthenium and
rhodium are
precious metals produced...
- the six
platinum group metals, and silver.
While lists of
noble metals can differ, they tend to
cluster around the six
platinum group metals (ruthenium...
-
named by
alchemists because it can
dissolve noble metals like gold and
platinum,
though not all
metals. Upon
mixing of
concentrated hydrochloric acid and...
- 1029/GL016i012p01391.
Platinum-Group
Metals. U.S.
Geological Survey Mineral Commodity Summaries Hagelüken, C. (2006). "Markets for the
catalysts metals platinum, palladium...
-
Platinum–iridium
alloys are
alloys of the
platinum group precious metals platinum and iridium.
Typical alloy proportions are 90:10 or 70:30 (Pt:Ir). These...
- and non-ferrous
metals;
brittle metals and
refractory metals;
white metals;
heavy and
light metals; and base, noble, and
precious metals. The
Metallic elements...