发明名称 |
Apparatus and method for the detection of changes in the composition of a material |
摘要 |
Changes in the composition of a material are detected by placing it between electrical terminals and applying a potential difference across the terminals. A resulting signal, which depends on the impedence properties of the material, gives an indication of composition. <IMAGE> |
申请公布号 |
GB2248301(A) |
申请公布日期 |
1992.04.01 |
申请号 |
GB19900019980 |
申请日期 |
1990.09.12 |
申请人 |
* IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
IAN ARTHUR RICHARD * KERR |
分类号 |
G01N27/02;G01N27/22 |
主分类号 |
G01N27/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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