硫化物檢測管201L Sulphide 的詳細(xì)介紹
硫化物檢測管201L Sulphide Sulphide                              NO.201L
 

 
 
Performance
Measuring Range
0.002 to 0.02 mg
Sampling Time
45 seconds per 1 pomp stroke
Detecting Limit
0.0002 mg
Colour Change
White → Brown
Reaction Principle
Gus generation tube : Sulphides +H2SO4 →H2S
Detector tube : H2S + Pb(CH3COO)2 → PbS
Shelf Life
3 Years
Corrections for temperature &humidity
Unnecessary
Coefficient ofVariation                                                                   5%(for 0.002 to 0.02 mg)
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change colour by itselfto
Chlorideion
 
No
No
Chromate ion
 
No
No
Carbonate ion
 
No
No