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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
11369	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.50 in. / 88.9 mm	$60.09
9935	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.85 in. / 97.8 mm	$76.09
9934	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	6 in. / 0.5 ft. / 0.153 m	$99.21
11841	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	11 in. / 27.9 cm	$122.51
1866	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	12 in. / 1 ft. / 0.305 m	$140.13
7734	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	24 in. / 2 ft. / 0.610 m	$213.26
5638	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.281 ft. / 1.00 m	$305.47
1867	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	5 ft. / 1.524 m	$429.20
4655	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	10 ft. / 3.048 m	$803.40
4104	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	15 ft. / 4.572 m	$1,097.76
5639	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	16.40 ft. / 5 m	$1,190.06
9129	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	20 ft. / 6.096 m	$1,399.22
1868	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	25 ft. / 7.620 m	$1,444.08
7800	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	32.808 ft. / 10.00 m	$1,913.98
3032	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	50 ft. / 15.2 m	$2,810.21
4106	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	75 ft. / 22.860 m	$4,061.73
3033	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	100 ft. / 30.48 m	$5,158.53
7733	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	125 ft. / 38.1 m	$6,423.16
4107	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	150 ft. / 45.720 m	$7,672.43
4210	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	175 ft. / 53.3 m	$8,864.79

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