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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
7635	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	7 in. / 0.583 ft / 0.178 m	$1,891.70
6013	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	9 in. / 0.229 m	$2,390.25
3529	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	12 in. / 1 ft. / 0.305 m	$2,844.03
7636	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	14 in. / 35.56 cm	$3,430.30
6014	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	15 in. / 38 cm	$3,502.70
7345	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	16 in. / 1.33 ft. / 40.6 cm	$3,690.75
6015	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	18 in. / 1.50 ft. / 45.7 cm	$4,131.10
3528	90 % Platinum, 10 % Iridium	0.078 in. / 1.98 mm	24 in. / 2 ft. / 0.610 m	$5,387.90
P/N	Purity	Diameter	Length	Price
7634	90 % Platinum, 10 % Iridium	0.081 in. / 2.057 mm / 12 gauge	7 in. / 0.583 ft / 0.178 m	$2,020.70
1891	90 % Platinum, 10 % Iridium	0.081 in. / 2.057 mm / 12 gauge	12 in. / 1 ft. / 0.305 m	$2,934.84
7633	90 % Platinum, 10 % Iridium	0.081 in. / 2.057 mm / 12 gauge	14 in. / 35.56 cm	$3,631.15
1892	90 % Platinum, 10 % Iridium	0.081 in. / 2.057 mm / 12 gauge	5 ft. / 1.524 m	$14,174.00
P/N	Purity	Diameter	Length	Price
9654	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	1.25 in. / 31.75 mm	$712.66
7631	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	7 in. / 0.583 ft / 0.178 m	$2,522.00
7344	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	8 in. / 20.32 cm	$2,703.05
3525	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	12 in. / 1 ft. / 0.305 m	$3,807.40
7632	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	14 in. / 35.56 cm	$4,417.80
3524	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	24 in. / 2 ft. / 0.610 m	$7,464.80
7712	90 % Platinum, 10 % Iridium	0.092 in. / 2.337 mm	4 ft. / 1.22 m	$14,164.00
P/N	Purity	Diameter	Length	Price
4584	90 % Platinum, 10 % Iridium	0.093 in. / 2.362 mm	3 in. / 76.2 mm	$1,270.80

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