臭氧检知管 O3 NO.218

Performance
 
Measuring Range
 1 to 10 mg/L
 
Sampling Time
 3 minutes
 
Detecting Limit
 0.5 mg/L
 
Colour Change
 White →Pale blue
 
Reaction Principle
 Ozone react with indigo to produce chemical reaction products to discolour the reagent to white.

2O3+C16H10N2O2→2C8H5NO2 + 2O2
 
Shelf Life
 3 Years
 
Corrections for temperature & humidity
 Water temperature correction is necessary
 
Store the tubes at cool and dark place.
 
Possible coexisting substances and their interferences (NOTE)
 
Substance
 Concentration
 Interference
 Change colour by itself to
 
H2O2
 0.05 mg/l
 -
 No 
 
ClO-
 5(Cl) mg/l
 -
 White for whole layer

higher than 500mg/l 

(Not produce demarcation)
 
500(Cl) mg/l
  
 
Acid (H+)
 500 ppm
 +
 No
 
Alkali (OH-)
 20 ppm
 -
 No
 

 
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 请问这个产品批发价是多少 [2006-10-01] 
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