ALFA AESAR GMBH & CO KG - RESEARCH CHEMICALS & METALS ay isang tagapagbigay ng mga produkto at serbisyo tulad ng kemikal - import-export,hafnium compounds,hafnium compounds, dalisay,niobiyum / columbium compounds,niobiyum / columbium compounds, dalisay,osmiyum asing-gamot nes,osmiyum compounds nes,paleydyum at iridium compounds,paleydyum asing-gamot nes,platinum ammonium klorido / ammonium chloro-platinate,platinum kloruro,platinum asing-gamot nes,pladno compounds nes,reniyum compounds,rodyo asing-gamot,rodyo compounds nes,ruteniyum asing-gamot,tantalum bisulphide,tantalum karbid,tantalum oksaid,tantalum compounds nes,tungsten karbid,tungsten oxides,tungsten selenide,tungsten sulphides,tungsten compounds nes,zirconium asetato,zirconium karbid,zirconium karbonat,zirconium kloruro,zirconium nitrayd,zirconium oksido at asing-gamot,zirconium pospeyt,zirconium potasa bifluoride,zirconium silicate,zirconium silicide,zirconium sulpit,zirconium compounds nes,high-pagtunaw at marangal metal compounds, dalisay.