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产品名称:
211H硫化物水质检测管 S2-
产品型号:
211H硫化物水质检测管 S2-
产品厂商:
上海豫东电子科技有限公司
产品文档:
无相关文档
简单介绍
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)
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 |