| 211H硫化物水质检测管 S2- | | 发布日期：11-10-24 | |
211H硫化物水质检测管 S2-
的详细介绍
sulphide Ion NO.211H
S2-
|
Performance
|
|
Measuring Range
|
10 to 100 ppm
|
|
Sampling Time
|
2 minutes
|
|
Detecting Limit
|
1 ppm
|
|
Colour Change
|
White → Brown
|
|
Reaction Principle
|
S2- + Pb(CH3COO)2→ PbS
|
|
Shelf Life
|
3 Years
|
|
Corrections for temperature & humidity
|
Unnecessary
|
|
Store the tubes at cool and dark place.
|
|
Possible coexisting substances and their interferences (NOTE)
|
|
Substance
|
Concentration
|
Interference
|
Change colour by itself to
|
|
Cl-
|
15000 ppm
|
+
|
No
|
|
CrO42-
|
100 ppm
|
-
|
Yellow
|
|
CO32-
|
500 ppm
|
+
|
No
|
|
SO32-
|
100 ppm
|
-
|
No
|
|
S2O32-
|
100 ppm
|
+
|
No
|
|
| | | 所属地区：上海上海 | | 公司规模：11 - 50人 | | 成立时间：2006年 | | 经营模式：生产型 | | 所属行业：上海市闵行区联航路1188号浦江智谷商务园7号楼I座I205室（靠近三鲁公路） | |
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