CN100498290C - 总硬度测定液及其比色测定管 - Google Patents
总硬度测定液及其比色测定管 Download PDFInfo
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- CN100498290C CN100498290C CNB2005100484693A CN200510048469A CN100498290C CN 100498290 C CN100498290 C CN 100498290C CN B2005100484693 A CNB2005100484693 A CN B2005100484693A CN 200510048469 A CN200510048469 A CN 200510048469A CN 100498290 C CN100498290 C CN 100498290C
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- Prior art keywords
- azo
- damping fluid
- glass tube
- hardness
- compound
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- DYVUNUQDYHPXSU-UHFFFAOYSA-N CN(C)C1CC1 Chemical compound CN(C)C1CC1 DYVUNUQDYHPXSU-UHFFFAOYSA-N 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100484693A CN100498290C (zh) | 2005-10-31 | 2005-10-31 | 总硬度测定液及其比色测定管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100484693A CN100498290C (zh) | 2005-10-31 | 2005-10-31 | 总硬度测定液及其比色测定管 |
Publications (2)
Publication Number | Publication Date |
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CN1766559A CN1766559A (zh) | 2006-05-03 |
CN100498290C true CN100498290C (zh) | 2009-06-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2005100484693A Expired - Fee Related CN100498290C (zh) | 2005-10-31 | 2005-10-31 | 总硬度测定液及其比色测定管 |
Country Status (1)
Country | Link |
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CN (1) | CN100498290C (zh) |
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2005
- 2005-10-31 CN CNB2005100484693A patent/CN100498290C/zh not_active Expired - Fee Related
Non-Patent Citations (6)
Title |
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偶氮氯膦Ⅲ吸光光度法测定水中微量钙. 方明建,尹益勤.理化检验-化学分册,第40卷第8期. 2004 |
偶氮氯膦Ⅲ吸光光度法测定水中微量钙. 方明建,尹益勤.理化检验-化学分册,第40卷第8期. 2004 * |
偶氮胂Ⅲ作指示剂配位滴定法测水硬度. 杜春,魏琴,张志强,罗勇.陶瓷工程,第32卷第4期. 1998 |
偶氮胂Ⅲ作指示剂配位滴定法测水硬度. 杜春,魏琴,张志强,罗勇.陶瓷工程,第32卷第4期. 1998 * |
新显色剂二溴邻羧基偶氮氯膦的合成及其应用于测定水的硬度和钙镁含量. 王正矩,韩文华.环境与开发,第14卷第3期. 1999 |
新显色剂二溴邻羧基偶氮氯膦的合成及其应用于测定水的硬度和钙镁含量. 王正矩,韩文华.环境与开发,第14卷第3期. 1999 * |
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Publication number | Publication date |
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CN1766559A (zh) | 2006-05-03 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHENGZHOU WATER TESTING TECHNOLOGY CO., LTD. Assignor: Bai Li Contract record no.: 2012410000012 Denomination of invention: General hardness determination solution and colorimetric determination tube therefor Granted publication date: 20090610 License type: Exclusive License Open date: 20060503 Record date: 20120306 |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20141031 |
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EXPY | Termination of patent right or utility model |