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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
13258	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	15 ft. / 4.572 m	$886.06
13259	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	20 ft. / 6.096 m	$1,101.64
12643	90 % Platinum, 10 % Iridium	0.009 in. / 0.229 mm / 31 gauge	25 ft. / 7.620 m	$1,312.63
P/N	Purity	Diameter	Length	Price
13052	80 % Platinum, 20 % Iridium	0.009 in. / 0.229 mm / 31 gauge	12 in. / 1 ft. / 0.305 m x 50 pieces Temper: Stress-relieved temper	$2,901.76
13053	80 % Platinum, 20 % Iridium	0.009 in. / 0.229 mm / 31 gauge	12 in. / 1 ft. / 0.305 m x 100 pieces Temper: Stress-relieved temper	$4,948.24
9575	80 % Platinum, 20 % Iridium	0.009 in. / 0.229 mm / 31 gauge	12 in. / 1 ft. / 0.305 m x 200 pieces Temper: Stress-relieved temper	$8,995.00
8984	80 % Platinum, 20 % Iridium	0.009 in. / 0.229 mm / 31 gauge	12 in. / 1 ft. / 0.305 m x 300 pieces Temper: Stress-relieved temper	$14,577.00
P/N	Purity	Diameter	Length	Price
11369	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.50 in. / 88.9 mm	$59.00
9935	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.85 in. / 97.8 mm	$72.72
13507	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	4.921 in. / 125 mm	$75.00
13296	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	5 in. / .417 ft / 0.127 m	$80.93
9934	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	6 in. / 0.5 ft. / 0.153 m	$94.10
11841	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	11 in. / 27.9 cm	$114.27
1866	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	12 in. / 1 ft. / 0.305 m	$130.01
7734	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	24 in. / 2 ft. / 0.610 m	$193.04
13277	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3 ft. / 0.914 m	$247.04
5638	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.281 ft. / 1.00 m	$272.41
13278	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	4 ft. / 1.22 m	$313.06
1867	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	5 ft. / 1.524 m	$379.10
4655	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	10 ft. / 3.048 m	$703.20

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