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  • ISO
    ISO 11369:1997 Water quality - Determination of selected plant treatment agents - Method using high performance liquid chromatography with UV detection after solid-liquid extraction
    Edition: 1997
    $386.77
    / user per year

Content Description

This International Standard describes a method for the determination of organic plant treatment agents in drinking and ground water using high performance liquid chromatography (HPLC) with UV detection after solid-liquid extraction.

The method described in this International Standard is applicable to the determination of selected plant treatment agents and some of their main degradation products (metabolites) in drinking water with a validated reporting limit of about 0,1 μg/l. Limited additional data indicate that it can be extended to 0,05 μg/l (see table 1 for examples). The method may be extended to include additional substances and ground water, provided the method is validated for each individual case.

The selection of the plant treatment agents and main degradation products in table 1 has been made according to the knowledge at the time of the interlaboratory trial (1992). Data for some other substances are given in annex A.

Table 1 - Plant treatment agents to which this lntematlonal Standard applies
NameMolecular formulaMolar massCAS No.1)Substance family2)
AtrazineC8H14CIN5215,7001912-24-9T
ChlorotoluronC10H13CIN20212,7015545-48-9H
Cyanazine**C9H13CIN5240,7021725-46-2T
Desethylatrazine*C8H9CIN5186,6006190-65-4T
DiuronC9H10Cl2N2O233,1000330-54-1H
Hexazinone**C12H20N4O2252,3051235-04-2T
IsoproturonC12H18N2O206,3034123-59-6H
LinuronC9H10Cl2N2O2249,1000330-55-2H
MetazachlorC14H16ClN2O3277,8067129-08-2A
MethabenzthiazuronC10H11N3OS221,3018691-97-9H
Metobromuron**C9H11BrN2O2259,1003060-89-7H
MetolachlorC15H22ClNO2283,8051218-45-2A
Metoxuron**C10H13ClN2O2228,719937-59-8H
MonolinuronC9H11ClN2O2214,61746-81-2H
Sebutylazine**C9H15ClN5228,700728-69-3T
SimazineC7H12ClN5201,7000122-34-9T
TerbutylazineC9H16ClN5229,7005915-41-3T
1) CAS No.: Chemical abstracts number
2) Substance family: T: Triazine; H: Phenylurea herbicide; A: substituted anilide
*: Main degradation product of atrazine
**: Not included in the performance data


About ISO

ISO, the International Organization for Standardization, brings global experts together to agree on the best way of doing things – for anything from making a product to managing a process. As one of the oldest non-governmental international organizations, ISO has enabled trade and cooperation between people and companies all over the world since 1946. The International Standards published by ISO serve to make lives easier, safer and better.
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