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Ozone (O3)
Item Item Details
(Price is for domestic US market only)
Ozone (O3)
Item Name:
Ozone (O3)
Item #:
GAS-218

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Ozone in Water O3

No: 218


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Performance

Measuring Range

(1) to 10 mg/l

Sampling Time

3 minutes

Detecting Limit

0.5 mg/l

Color Change

White Pale blue

Reaction Principle

Ozone react with indigo to produce chemical
reaction
products to discolor 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 color by itself

H2O2

0.05 mg/l or higher

Minus error

No discoloration.

ClO-

5 mg/l or higher

Minus error

Produce white discoloration for whole layer.
Do not produce demarcation.

500mg/l or higher

White stain

Acid (H+)

-

Plus error

No discoloration

Alkali (OH-)

-

Minus error

No discoloration


Range 1-10mg/l


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