发明名称 APPARATUS FOR MEASURING IMPURITIES IN ULTRAPURE WATER
摘要 <p>A novel apparatus is provided for measuring the number of sizes of micro impurities such as fine dust or bacteria floating in ultrapure water. The apparatus is improved over the electrical pulse method for a high detection sensitivity and high precision and which does not operate erratically.</p>
申请公布号 CA1218870(A) 申请公布日期 1987.03.10
申请号 CA19840448449 申请日期 1984.02.28
申请人 ERMA OPTICAL WORKS, LTD. 发明人 SHIRATO, KOZO;KAWASHIMA, KAZUYASU;SATO, YOSHIHIRO
分类号 G01N15/12;(IPC1-7):G01N27/00 主分类号 G01N15/12
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