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Ammonium chloroiridate (black salt)

Ammonium hexachloroiridate(IV) | CAS: 16940-92-4

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PGM refining

As the largest secondary Platinum Group Metals (PGM) refiner in the world, we've developed highly advanced processes for extracting and separating PGMs from products – so advanced that we can refine to a purity of 99.95%.

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RTA-25

Aromatic and aliphatic primary amines can be obtained using our Transaminases

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Vinyl chloride monomer (VCM) process

Johnson Matthey offers a well-established VCM technology which is recognised by industry as the most advanced acetylene-to-VCM process worldwide.

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