Lamotte SMART3 Colorimeter User Manual Page 241

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OZONE
INDIGO METHOD • CODE 3651-SC
QUANTITY CONTENTS CODE
15 mL Chlorine Inhibitor 3990-E
250 mL *Ozone Buffer *3991-K
30 mL Indigo Blue Stock Solution 3989-G
1 Sampling Apparatus 0681
1 Pipet, transfer, 1.0 mL 2-2170
1 Pipet, transfer, 5 mL 0329
1 Pump, 10 mL 30527
1 Bottle, HR Reagent, amber glass 3989-MT
1 Graduated Cylinder, 50 mL, glass 0418
*WARNING: Reagents marked with an * are considered to be potential health
hazards. To view or print a Material Safety Data Sheet (MSDS) for these reagents
go to www.lamotte.com. To obtain a printed copy, contact LaMotte by e-mail,
phone or fax.
Ozone is sometimes used in place of, or in conjunction with, chlorine or other
halogens for disinfection of pool, spa, or drinking waters. Recently, large aquatic
facilities have begun using ozone as a disinfectant in many arti cial habitats.
APPLICATION: Drinking, pool and aquatic waters.
RANGE: 0.00–0.40 ppm Ozone, Low Range
0.00–3.00 ppm Ozone, High Range
MDL: 0.02 ppm Ozone, Low Range
0.05 ppm Ozone, High Range
METHOD: Ozone rapidly and stoichiometrically decolorizes Indigo
Trisulfonate under acidic conditions.
SAMPLE HANDLING
& PRESERVATION:
Ozone is extremely unstable in aqueous solutions. Test
must be performed immediately and the sample must
not be agitated.
INTERFERENCES: Manganese at any level interferes.
SMART3 Test Procedures 11.11 OZONE, Indigo
Test Procedures
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