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EPA Method Approval Letter Thermo Orion AC4070 Free and Total Chlorine Ampoules DW & WW

steve-day
Team TFS
Team TFS
Reaction of oxidants with DPD produces a red color. The intensity depends on chlorine concentration and photometrically determined at or near 515nm.
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Last update:
‎10-16-2013 07:40 AM
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