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Sodium tetrachloroaurate, also known as NaAuCl4, is a compound that is used in the chemical industry as a catalyst for various reactions.
Its synthetic routes are numerous and vary depending on the desired purity and application of the compound.
One of the most common methods of synthesizing NaAuCl4 is through the reduction of gold(III) chloride with sodium.
This process involves heating a mixture of gold(III) chloride and sodium hydroxide in water to produce NaAuCl4 and hydrogen chloride gas.
This method is widely used in industrial applications as it is relatively inexpensive and produces high yields of the desired product.
Another method of synthesizing NaAuCl4 is through the reduction of gold(III) nitrate with sodium.
This process involves heating a mixture of gold(III) nitrate and sodium metal in a furnace at high temperatures.
The gold(III) nitrate is reduced to gold(III) chloride, which then decomposes into NaAuCl4 and nitrogen gas.
This method is used in the production of high-purity NaAuCl4 and is commonly used in the semiconductor industry.
A third method of synthesizing NaAuCl4 is through the hydrolysis of Au2Cl6.
This process involves the reaction of gold(II) chloride with water to produce Au2Cl6, which is then hydrolyzed to produce NaAuCl4.
This method is used in the production of high-purity NaAuCl4 and is commonly used in the chemical industry.
In addition to these methods, NaAuCl4 can also be synthesized through the reduction of gold(III) sulfide with sodium, the reduction of gold(III) oxide with sodium, and the reduction of gold(III) carbonyl with sodium.
These methods are less commonly used in industrial applications, but they can be used to produce specific grades of NaAuCl4 that are suitable for specific applications.
In conclusion, the synthetic routes of Sodium tetrachloroaurate are varied and depend on the desired purity and application of the compound.
The most common methods of synthesizing NaAuCl4 are through the reduction of gold(III) chloride with sodium, the reduction of gold(III) nitrate with sodium, and the hydrolysis of Au2Cl6.
These methods are widely used in the chemical industry and are effective in producing high-quality NaAuCl4.
