臭氧檢知管218 O3 的詳細(xì)介紹
臭氧檢知管218 O3
Ozone in Water NO.218
O3
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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