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This document specifies a method for the determination of free chlorine and total chlorine in water, readily applicable to lab and field-testing Water qualityDetermination of free chlorine and total chlorine -PartColorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes. The method is suitable for both laboratory and field testing, making it applicable in various settings ISO ember 1, Water qualityDetermination of free chlorine and total chlorinePartColorimetric method using N,Ndialkyl,4-phenylenediamine, for routine control purposes. ISO Water quality — Determination of free chlorine and total chlorine PartColorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control ISO (en), Water quality — Determination of free chlorine and total chlorine — PartColorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control ISO is a standard that provides a colorimetric method for the determination of free chlorine and total chlorine in water for routine control purposes. ISO specifies a method for the determination of free chlorine and total chlorine in water, readily applicable to lab and field-testing The method is ISO ember 1, Water qualityDetermination of free chlorine and total chlorinePartColorimetric method using N,Ndialkyl,4-phenylenediamine, for Water qualityDetermination of free chlorine and total chlorine -PartColorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes. ISOISO (E) ISO, Water quality — Calibration and evaluation of analytical methods and estimation of performance characteristics — PartStatistical evaluation of the linear calibration functionTerms and definitions For the purposes of this document, the following terms and definitions apply ISO (en), Water quality — Determination of free chlorine and total chlorine — PartColorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes ISO is a standard that provides a colorimetric method for the determination of free chlorine and total chlorine in water for routine control purposes.
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