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Platinum Iridium

Platinum-iridium is an alloy of the platinum group precious metals platinum and iridium.

Surepure Chemetals typically supplies alloy proportions of 90% platinum / 10% iridium and 80% platinum / 20% iridium. Surepure Chemetals sells platinum-iridium conforming to the ASTM B684 specification (including ASTM B 684-97).

These have the chemical stability of platinum, but increased hardness.

Due to its high density, hardness, and resistance to corrosion, platinum-iridium was used to make the international prototype kilogram and the international prototype meter.

One use for Pt/Ir alloy is fabrication of metal microelectrodes for electrical stimulation of nervous tissue and electrophysiological recordings. Pure iridium is very difficult to pull into small diameter wires, while pure platinum has a low Young's modulus which makes pure platinum wires bend easily during the insertion in nervous tissue; hence Pt/Ir alloy has an optimal combination of mechanical and electrochemical properties for this application.

Surepure Chemetals sells platinum iridium wire and platinum iridium sheet.

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The products below are representative of what we sell. If you don't find what you're looking for, please request a quote or contact us.

Buy Platinum Iridium Wire and Rod from Surepure Chemetals

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P/N	Purity	Diameter	Length	Price
4583	90 % Platinum, 10 % Iridium	0.093 in. / 2.362 mm	6 in. / 0.5 ft. / 0.153 m	$2,218.90
4588	90 % Platinum, 10 % Iridium	0.093 in. / 2.362 mm	12 in. / 1 ft. / 0.305 m	$3,604.33
3339	90 % Platinum, 10 % Iridium	0.093 in. / 2.362 mm	24 in. / 2 ft. / 0.610 m	$7,464.80
7280	90 % Platinum, 10 % Iridium	0.093 in. / 2.362 mm	3 ft. / 0.914 m	$11,188.80
3340	90 % Platinum, 10 % Iridium	0.093 in. / 2.362 mm	5 ft. / 1.524 m	$18,398.50
P/N	Purity	Diameter	Length	Price
7710	80 % Platinum, 20 % Iridium	0.093 in. / 2.362 mm	5 ft. / 1.524 m	$25,214.80
P/N	Purity	Diameter	Length	Price
8273	90 % Platinum, 10 % Iridium	0.096 in. / 2.44 mm	3 in. / 76.2 mm	$1,296.79
8274	90 % Platinum, 10 % Iridium	0.096 in. / 2.44 mm	6 in. / 0.5 ft. / 0.153 m	$2,325.64
8275	90 % Platinum, 10 % Iridium	0.096 in. / 2.44 mm	12 in. / 1 ft. / 0.305 m	$3,809.32
P/N	Purity	Diameter	Length	Price
7297	90 % Platinum, 10 % Iridium	0.100 in. / 2.540 mm / 10 gauge	3 ft. / 0.914 m	$11,763.00
7343	90 % Platinum, 10 % Iridium	0.100 in. / 2.540 mm / 10 gauge	58 in. / 4.83 ft. / 147.3 cm Wire, by coil	$18,512.00
P/N	Purity	Diameter	Length	Price
3104	90 % Platinum, 10 % Iridium	0.102 in. / 2.591 mm / 10 gauge	4 in. / 101.6 mm	$1,732.50
3087	90 % Platinum, 10 % Iridium	0.102 in. / 2.591 mm / 10 gauge	6 in. / 0.5 ft. / 0.153 m	$2,427.50
1893	90 % Platinum, 10 % Iridium	0.102 in. / 2.591 mm / 10 gauge	12 in. / 1 ft. / 0.305 m	$4,443.30
P/N	Purity	Diameter	Length	Price
8272	90 % Platinum, 10 % Iridium	0.105 in. / 2.67 mm	3 in. / 76.2 mm	$1,466.75
8271	90 % Platinum, 10 % Iridium	0.105 in. / 2.67 mm	6 in. / 0.5 ft. / 0.153 m	$2,680.00
8270	90 % Platinum, 10 % Iridium	0.105 in. / 2.67 mm	12 in. / 1 ft. / 0.305 m	$4,581.50
P/N	Purity	Diameter	Length	Price
9867	90 % Platinum, 10 % Iridium	0.1102 in. / 2.80 mm	24 in. / 2 ft. / 0.610 m x 1 piece Rod, straight length	$9,651.00
P/N	Purity	Diameter	Length	Price
9219	80 % Platinum, 20 % Iridium	0.1105 in. / 2.807 mm	6 in. / 0.5 ft. / 0.153 m x 1 piece Rod, straight length	$3,911.00
9220	80 % Platinum, 20 % Iridium	0.1105 in. / 2.807 mm	6 in. / 0.5 ft. / 0.153 m x 3 pieces Rod, straight length(s)	$11,467.00

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