| | SULPHURIC ACID - LoveToKnow Article on SULPHURIC ACID (Site not responding. Last check: 2007-11-02) |
 | | Other sources of supply had accordingly to be sought, and they were found by going backtoa reaction known since the first quarter of the I9th century, when J. Dobereiner discovered the combination of SOi and 0 into SOi by means of spongy platinum. |
 | | Winkler showed that this division was best obtained by soaking asbestos with a solution of platinum chloride and reducing the platinum to the metallic state, and he described later a specially active kind of contact substance, prepared from platinum chloride at a low temperature. |
 | | This revival of the synthetical production of SO,, at a period when this article had suddenly become of great importance, caused the greatest excitement among chemists and led to numerous attempts in the same direction, some of whitth were at once sufficiently successful to compete with the Bohemian process. |
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