Precious metal compounds

High-purity silver nitrate for analytical, photographic, electrochemical and synthetic use. The standard precursor for silver nanoparticles, silver halide chemistry, Tollens' reagent, argentometric titration (Mohr, Volhard, Fajans) and electroplating baths. Supplied as free-flowing crystals with a lot-specific certificate of analysis including trace-metal assay.

Grade

≥99.9% (metals basis), ACS reagent grade

Pack sizes

25 g, 100 g, 500 g, 1 kg

Chloroauric acid trihydrate is the workhorse gold precursor for colloidal gold and gold nanoparticle synthesis (Turkevich, Brust–Schiffrin, seeded growth), homogeneous gold catalysis, electroless gold plating and gold-based pharmaceuticals research. Each lot is assayed for gold content and supplied with a certificate of analysis.

Grade

≥99.9% (metals basis), Au ≈ 50%

Pack sizes

1 g, 5 g, 25 g

Palladium(II) acetate is the most widely used palladium precatalyst in organic synthesis — Suzuki–Miyaura, Heck, Buchwald–Hartwig, Sonogashira and Stille couplings, C–H activation and Wacker-type oxidations. Also used to prepare Pd nanoparticles and supported palladium catalysts. Supplied as the pure trimer with lot-specific palladium assay.

Grade

≥99.9% (metals basis), Pd 47.4%, trimer form

Pack sizes

1 g, 5 g, 25 g, 100 g

Chloroplatinic acid hexahydrate is the standard platinum precursor for platinum catalysts (Adams' catalyst PtO2, Pt/C, Speier's and Karstedt's hydrosilylation catalysts), electroplating and platinising of electrodes, platinum nanoparticles and fuel-cell electrocatalysts. Each lot is supplied with a platinum assay and full certificate of analysis.

Grade

≥99.9% (metals basis), Pt ≈ 38%

Pack sizes

1 g, 5 g, 25 g