| Original document(11 pages) 中文版 |
The invention relates to lead detection liquid in water, which comprises: 0.05% azophenol compound 1~20 unit volume (uv), 0.01% surfactant 0~10uv, and 0.01mol/L caustic soda. 10~50uv. The opposite colorimetric detector tube contains a constant-section vacuum sealing glass tube with the lead detection liquid; the ratio of height H1 of the detection liquid in tube and the blank height H2 by section of glass tube is 1:2~20. This invention is convenient to carry and use. The detection threshold meets national discharge request, and the detection result meets the water analysis error accuracy standard. |
Application Number
申请号 |
200510048512 |
Application Date
申请日 |
2005.11.09 |
| Title 名称 |
Lead determination solution and colorimetric determination tube therefor
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Publication Number
公开号 |
1800826 |
Publication Date
公开日 |
2006.07.12 |
| Approval Pub. Date |
|
Granted Pub. Date |
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| International Classification 分类号 |
G01N21/27,G01N21/78,G01N21/31,G01N21/03 |
Applicant(s) Name
申请人 |
Bai Li |
| Address 地址 |
451150 |
| Inventor(s) Name 发明人 |
Liu Wuyi, Li Shuhua, Cui Jizhou, Chen Yun, Liu Chao, Tang Cuilian, Xue Yongfu |
| Attorney & Agent 代理人 |
chen datong chen yong |
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