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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
3577	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	10 ft. / 3.048 m	$1,184.70
8067	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	15 ft. / 4.572 m	$1,654.03
8068	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	20 ft. / 6.096 m	$2,154.45
3128	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	25 ft. / 7.620 m	$2,602.70
12506	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	50 ft. / 15.2 m	$4,838.82
3576	90 % Platinum, 10 % Iridium	0.015 in. / 0.381 mm	100 ft. / 30.48 m	$8,963.32
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	$124.78
1872	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	12 in. / 1 ft. / 0.305 m	$204.60
7139	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	24 in. / 2 ft. / 0.610 m	$339.93
5104	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	3 ft. / 0.914 m	$453.48
1873	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	5 ft. / 1.524 m	$694.63
10091	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	7 ft. / 2.134 m	$940.60
5105	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	10 ft. / 3.048 m	$1,295.45
4539	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	15 ft. / 4.572 m	$1,809.57
9690	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	18 ft. / 5.486 m	$2,159.56
5106	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	20 ft. / 6.096 m	$2,334.79
1874	90 % Platinum, 10 % Iridium	0.016 in. / 0.406 mm / 26 gauge	25 ft. / 7.620 m	$2,772.91
P/N	Purity	Diameter	Length	Price
5107	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	6 in. / 0.5 ft. / 0.153 m	$139.73
9940	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	11 in. / 27.9 cm	$214.51
5108	90 % Platinum, 10 % Iridium	0.018 in. / 0.455 mm / 25 gauge	12 in. / 1 ft. / 0.305 m	$231.51

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