| 摘要 |
The present invention relates to a heat-transfer medium having an aqueous solution of one or more kinds of salts wherein at least one kind of salt is selected from the group of coordination compounds formed between one or more metallic ions of copper, silver, gold, nickel, chromium, zinc and cobalt, and organic or inorganic acid. The coordination compounds can optionally contain ammonia. The pH of the heat-transfer medium can be from 6 to 10, preferably is 7. The present invention also relates a method for preparing the heat-transfer medium and its application in heat-transfer equipment.
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