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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
13438	90 % Platinum, 10 % Iridium	0.008 in. / 0.203 mm / 32 gauge	30 ft. / 9.144 m	$878.20
13439	90 % Platinum, 10 % Iridium	0.008 in. / 0.203 mm / 32 gauge	40 ft. / 12.192 m	$1,156.65
3335	90 % Platinum, 10 % Iridium	0.008 in. / 0.203 mm / 32 gauge	50 ft. / 15.2 m	$1,420.80
3336	90 % Platinum, 10 % Iridium	0.008 in. / 0.203 mm / 32 gauge	100 ft. / 30.48 m Temper: Annealed (soft)	$2,818.60
13440	90 % Platinum, 10 % Iridium	0.008 in. / 0.203 mm / 32 gauge	200 ft. / 60.96 m Temper: Annealed (soft) Wire, by spool(s)	$5,474.57
P/N	Purity	Diameter	Length	Price
3668	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	12 in. / 1 ft. / 0.305 m	$199.20
5636	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	3.281 ft. / 1.00 m	$279.33
3669	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	5 ft. / 1.524 m	$367.36
3670	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	10 ft. / 3.048 m	$633.66
7502	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	12 ft. / 3.657 m	$715.35
5637	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	16.40 ft. / 5 m	$877.69
3671	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	25 ft. / 7.620 m	$1,214.67
3672	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	50 ft. / 15.2 m	$2,169.54
3599	80 % Platinum, 20 % Iridium	0.008 in. / 0.203 mm / 32 gauge	100 ft. / 30.48 m	$3,938.89
P/N	Purity	Diameter	Length	Price
13193	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	12 in. / 1 ft. / 0.305 m	$105.69
13194	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	24 in. / 2 ft. / 0.610 m	$177.42
13254	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	3 ft. / 0.914 m	$247.72
13255	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	4 ft. / 1.22 m	$309.44
13256	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	5 ft. / 1.524 m	$369.96
13257	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	10 ft. / 3.048 m	$666.32

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