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ISO 15913:2000
Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization
This International Standard specifies a method for the determination of phenoxyalkanoic acids in ground and drinking water in mass concentrations ≥ 50 ng/l (detailed information is given in Table A.1 of annex A). Examples of phenoxyalkanoic acids which can be determined by this method are given in Table 1.
This method may be applicable to compounds not mentioned in Table 1 or to other types of water. However, it is necessary to verify the applicability of this method for these special cases (see annex B).
| Table 1 - Plant treatment agents determined by this method | Name | Molecular formula | Relative molecular mass | CAS registry No. |
|---|---|---|---|
| (2,4-Dichlorophenoxy) acetic acid | C8H6Cl2O3 | 221,0 | 94-75-7 |
| Mecoprop | C10H11ClO3 | 214,65 | 93-65-2 |
| Dichlorprop | C9H8Cl2O3 | 235,06 | 120-36-5 |
| MCPA | C9H9ClO3 | 200,6 | 94-74-6 |
| MCPB | C11H13ClO3 | 228,67 | 94-81-5 |
| (2,4,5-Trichlorophenoxy)acetic acid | C8H5Cl3O3 | 255,5 | 93-76-5 |
| Bentazone | C10H12N2O3S | 240,3 | 25057-89-0 |
| Bromoxynil | C7H3Br2NO | 276,9 | 1689-84-5 |
| 4-(2,4-Dichlorophenoxy)-butanoic acid | C10H10Cl2O3 | 249,1 | 94-82-6 |
| Fenoprop | C9H7Cl3O3 | 269,51 | 93-72-1 |
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International Organization for Standardization [iso]
International Organization for Standardization [iso]
