供应211LL硫化物水质快速检知管S2-

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关 键 词：211LL硫化物水质快速

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发布时间：2010-12-20

sulphide Ion                   NO.211LL
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
 
CO32-
 20 ppm
 No
 No (1%)
 
Cl-
 100 ppm
 No
 No (5%)
 
Cr6+
 0.2 ppm
 -
 Yellow(1ppm)
 
CO32-
 500 ppm
 No
 No (1%)
 
S2O32-
 20 ppm
 No
 No (1%)
 
I-
 200 ppm
 No
 Yellow(3000ppm)
 
SO42-
 100 ppm
 No
 No (1%)
 
PO43-
 100 ppm
 No
 No (1%)