| 发明名称 |
HARDNESS INDICATOR COMPOSITION AND METHOD OF WATER HARDNESS ANALYSIS |
| 摘要 |
A hardness indicator composition, and a method of water hardness analysis, capable of measuring hardness even with higher-hardness water without requiring titration by a two-liquid system. The hardness indicator composition is formulated of a metal indicator with a desensitizer added thereto.
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| 申请公布号 |
CA2326791(C) |
申请公布日期 |
2009.05.19 |
| 申请号 |
CA20002326791 |
申请日期 |
2000.11.23 |
| 申请人 |
MIURA CO., LTD.;MIURA INSTITUTE OF RESEARCH & DEVELOPMENT CO., LTD. |
发明人 |
MIZOGAMI, KEITA;UKENA, YUUJI;NAKAJIMA, JUNICHI |
| 分类号 |
G01N31/00;G01N33/18;C07C245/10;C09B29/15;G01N31/22 |
主分类号 |
G01N31/00 |
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