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EPA Method Approval Letter Thermo Orion AC2046 Nit...
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EPA Method Approval Letter Thermo Orion AC2046 Nitrite DW
steve-day
Team TFS
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on
10-16-2013
07:40 AM
Used in place of other NPDWR-approved colorimetric methods. Reaction with sulfanilamide to form a diazonium salt which is coupled with N-(1-naphthyl)-ethylendiamine dihydrochloride to form a highly colored azo dye followed by colorimetric detection.
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D16915~.pdf
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Last update:
10-16-2013
07:40 AM
Updated by:
steve-day