99.95% 18497-13-7 H2PtCl6 Chloroplatinic acid hexahydrate Manufacturer & Supplier

99.95% 18497-13-7 H2ptcl6 Chloroplatinic Acid Hexahydrate - Buy Uiv Cas 18497-13-7 Ptcl4.2(hcl).6(h2o) Chloroplatinic Acid Hexahydrate,H2ptcl6 Chloroplatinic Acid Hexahydrate,18497-13-7 Chloroplatinic Acid Hexahydrate Product manufacturer and supplier from China, Please contact us by Live Chat on the bottom right.

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Chloroplatinic acid hexahydrate packing: 10g,100g,500g,1000g or Packed on the clients'' requirementsShanghai

99.95% 18497-13-7 H2PtCl6 Chloroplatinic acid hexahydrate

Alias Name : Chloroplatinic acid ;Chloroplatinic acid hexahydrate.Hexachloroplatinic acid hexahydrate, Hydrogen hexachloroplatinate(IV) hexahydrate, Platinic chloride hexahydrate

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Chloroplatinic acid or hexachloroplatinic acid is the chemical compound usually found as the hexahydrate with the formula H2PtCl6·(H2O)6. This is one of the most readily available soluble compounds of platinum. It is rarely obtained in the pure state. The commercial product is the hydronium salt of the hexachloroplatinate(IV) anion. Therefore, the correct formula is [H3O]2[PtCl6]·4H2O.The related palladium compound, [H3O]2[PdCl6], is extremely unstable and has not been isolated in pure form.

Applications

Potassium determination

See also: Potassium hexachloroplatinate

Chloroplatinic acid was popularized for the determination of potassium. The potassium is selectively precipitated as potassium chloroplatinate. Determinations were done in 85% (v/v) alcohol solutions with excess platinate ions, and the precipitated product was weighed. Potassium could be detected for solutions as dilute as 0.02 to 0.2% (m/v).

This method for determination of potassium was advantageous vs. the cobaltinitrite method used previously, since it required a single precipitation reaction.[citation needed] Today, the concentration of potassium is determined with an ion-selective electrode. These modern methods remain subject to interference.

Purification of platinum

See also: Ammonium hexachloroplatinate

Treatment with an ammonium salt, such as ammonium chloride, gives ammonium hexachloroplatinate,which is very insoluble in ammonium solutions. Heating the ammonium salt in hydrogen reduces it to elemental platinum. Platinum is often isolated from ores or recycled from residues thus.

Catalysis

Like many platinum compounds, chloroplatinic acid is used in catalysis. This compound was first reported by John Speier and colleagues from Dow Corning Corporation to catalyze the reaction of silyl hydrides with olefins, hydrosilylation. Typical of his reactions, Speier used isopropanol solutions containing trichlorosilane (SiHCl3), and methyldichlorosilane (CH3HSiCl2), with pentenes. Prior work on the addition of silanes to alkenes required radical reactions that were inefficient. It is generally agreed that chloroplatinic acid is a catalyst precursor. A possible role for colloidal platinum or zero-valentcomplexes has also been considered.

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