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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
4886	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	100 ft. / 30.48 m	Request quote
P/N	Purity	Diameter	Length	Price
9614	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	6 in. / 0.5 ft. / 0.153 m	$104.28
3232	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	12 in. / 1 ft. / 0.305 m	$157.32
4679	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	18 in. / 1.50 ft. / 45.7 cm	$205.82
11851	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	24 in. / 2 ft. / 0.610 m	$250.69
3233	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	3 ft. / 0.914 m	$336.44
12630	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	3.281 ft. / 1.00 m	$367.17
12629	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	4 ft. / 1.22 m	$396.69
3234	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	5 ft. / 1.524 m	$446.18
3239	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	10 ft. / 3.048 m	$792.77
3235	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	25 ft. / 7.620 m	$1,705.71
5679	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	50 ft. / 15.2 m	$3,165.92
3240	90 % Platinum, 10 % Iridium	0.012 in. / 0.305 mm	100 ft. / 30.48 m	$5,610.52
P/N	Purity	Diameter	Length	Price
8073	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 1 piece Rod, straight length(s)	$133.13
8074	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 3 pieces Rod, straight length(s)	$280.83
7316	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 5 pieces Rod, straight length(s)	$430.90
7313	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 10 pieces Rod, straight length(s)	$781.08
7314	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 25 pieces Rod, straight length(s)	$1,924.50
7315	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 50 pieces Rod, straight length(s)	$3,654.50
7317	70 % Platinum, 30 % Iridium	0.012 in. / 0.305 mm	5.31 in. / 135 mm x 100 pieces Rod, straight length(s)	$6,990.00

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