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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
5702	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	9.843 ft. / 3.00 m	$1,890.20
P/N	Purity	Diameter	Length	Price
11251	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	9 in. / 0.229 m	$149.76
3164	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	12 in. / 1 ft. / 0.305 m	$199.68
3165	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	24 in. / 2 ft. / 0.610 m	$359.36
8065	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	3 ft. / 0.914 m	$498.49
8066	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	4 ft. / 1.22 m	$629.69
3127	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	5 ft. / 1.524 m	$763.48
3579	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	6 ft. / 1.829 m	$918.16
3577	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	10 ft. / 3.048 m	$1,358.68
8067	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	15 ft. / 4.572 m	$1,898.24
8068	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	20 ft. / 6.096 m	$2,475.55
3128	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	25 ft. / 7.620 m	$2,998.40
12506	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	50 ft. / 15.2 m	$5,605.12
3576	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	100 ft. / 30.48 m	$10,415.95
P/N	Purity	Diameter	Length	Price
5103	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	6 in. / 0.5 ft. / 0.153 m	$137.30
1872	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	12 in. / 1 ft. / 0.305 m	$227.14
7139	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	24 in. / 2 ft. / 0.610 m	$383.66
5104	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	3 ft. / 0.914 m	$515.37
1873	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	5 ft. / 1.524 m	$794.05
10091	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	7 ft. / 2.134 m	$1,079.06

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