供应211M硫化物检测管 S2-

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关 键 词：211M硫化物检测管

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发布时间：2010-12-20

sulphide Ion                     NO.211M
S2-



  Performance
 
Measuring Range
 2 to 300 ppm
 
Sampling Time
 2 minutes
 
Detecting Limit
 0.5 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-
 50 ppm
 -
 Yellow
 
CO32-
 500 ppm
 +
 No
 
SO32-
 200 ppm
 -
 No
 
S2O32-
 100 ppm
 +
 No