Search

Our people

Ammonium chloroiridate (black salt)

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

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%.

RTA-25

Aromatic and aliphatic primary amines can be obtained using our Transaminases

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.

Gold chloride solution (40% w/w Au)

Hydrogen tetrachloroaurate(III) solution | CAS: 16903-35-8

Chloroiridic acid crystal (CIA) Ir-114

Hydrogen hexachloroiridate(IV) solid | CAS: 16941-92-7

Synthesis technology

Johnson Matthey's DAVY™ synthesis technologies convert syngas (CO, CO2 & H2) to methanol creating exothermic reactions that have a limited conversion rate, so several passes through a reactor are required to produce sufficient methanol.