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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
5109	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	3 ft. / 0.914 m	$504.04
5110	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	5 ft. / 1.524 m	$801.87
5115	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	7 ft. / 2.134 m	$1,051.97
5111	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	10 ft. / 3.048 m	$1,480.08
5112	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	15 ft. / 4.572 m	$2,174.02
5113	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	20 ft. / 6.096 m	$2,869.16
5114	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	25 ft. / 7.620 m	$3,539.10
3867	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	30 ft. / 9.144 m	$4,112.04
6892	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	32 ft. / 9.754 m	$4,253.64
11229	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	40 ft. / 12.192 m	$5,275.00
9462	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	50 ft. / 15.2 m	$6,422.89
P/N	Purity	Diameter	Length	Price
7482	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	4 in. / 101.6 mm	$112.62
5116	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	6 in. / 0.5 ft. / 0.153 m	$155.95
11882	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	9 in. / 0.229 m	$205.97
12653	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	12 in. / 1 ft. / 0.305 m Wire, by 1.5 inch lengths	$333.77
3970	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	12 in. / 1 ft. / 0.305 m	$269.78
3974	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	24 in. / 2 ft. / 0.610 m	$540.22
3978	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	3.281 ft. / 1.00 m	$720.27
3983	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	4 ft. / 1.22 m	$844.97
1876	90 % Platinum, 10 % Iridium	0.020 in. / 0.5 mm / 24 gauge	5 ft. / 1.524 m	$917.74

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