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产品详情
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 tempera
详情介绍:
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 |