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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
4331	90 % Platinum, 10 % Iridium	0.013 in. / 0.330 mm / 28 gauge	60 ft. / 18.3 m	$3,785.16
3606	90 % Platinum, 10 % Iridium	0.013 in. / 0.330 mm / 28 gauge	100 ft. / 30.48 m	$6,060.49
3607	90 % Platinum, 10 % Iridium	0.013 in. / 0.330 mm / 28 gauge	200 ft. / 60.96 m	$14,183.75
P/N	Purity	Diameter	Length	Price
8497	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	6 in. / 0.5 ft. / 0.153 m	$142.08
8500	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	9 in. / 0.229 m	$211.05
8496	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	12 in. / 1 ft. / 0.305 m	$275.41
8499	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	18 in. / 1.50 ft. / 45.7 cm	$387.49
8498	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	24 in. / 2 ft. / 0.610 m	$500.81
5700	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	3.281 ft. / 1.00 m	$744.62
8501	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	5 ft. / 1.524 m	$1,073.55
5701	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	6.562 ft. / 2.00 m	$1,338.40
5702	80 % Platinum, 20 % Iridium	0.014 in. / 0.35 mm / 27 gauge	9.843 ft. / 3.00 m	$1,862.60
P/N	Purity	Diameter	Length	Price
13515	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	6.75 in. / 171.45 mm	$103.00
11251	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	9 in. / 0.229 m	$134.73
3164	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	12 in. / 1 ft. / 0.305 m	$179.64
3165	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	24 in. / 2 ft. / 0.610 m	$319.28
8065	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	3 ft. / 0.914 m	$441.10
8066	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	4 ft. / 1.22 m	$551.58
3127	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	5 ft. / 1.524 m	$668.29
3579	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	6 ft. / 1.829 m	$802.93

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