Detecting agent

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专利汇可以提供Detecting agent专利检索,专利查询,专利分析的服务。并且PURPOSE: To detect surely an organic tellurium compound by using a mixture of a zinc salt and a gold salt for a discoloring component of a detecting agent for detecting a poisonous gas containing the organic tellurium compound.
CONSTITUTION: A mixture of a zinc salt and a gold salt is used as a discoloring component. This discoloring component turns deep green or gray green or red brown from light yellow sensitively depending on the type of a carrier when coming in contact with a gas containing an organic tellurium compound. The zinc salt herein used is preferably zinc chloride, zinc bromide or the like in that it is water soluble and easy to handle. As for the gold salt, salts are applicable but gold chlorate and a sodium salt, a potassium salt, an ammonium salt thereof or the like is preferable in view of ease of handling and water solubility. A mixing ratio of the gold salt to the zinc salt is preferably in a range of 0.3-0.01g in gold of the gold salt per 1g of zinc in the zinc salt.
COPYRIGHT: (C)1990,JPO&Japio,下面是Detecting agent专利的具体信息内容。

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