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ASTM D5317-20
Standard Test Method for Determination of Chlorinated Organic Acid Compounds in Water by Gas Chromatography with an Electron Capture Detector
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STANDARD published on 15.8.2020
The information about the standard:
Designation standards: ASTM D5317-20
Publication date standards: 15.8.2020
SKU: NS-1003007
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM D5317-20 :
Keywords:
electron capture, gas chromatography, herbicides, organic acid,, ICS Number Code 71.080.40 (Organic acids)
Additional information
| Significance and Use | |
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5.1 Chlorinated phenoxyacid herbicides, and other organic acids are used extensively for weed control. Esters and salts of 2,4-D and silvex have been used as aquatic herbicides in lakes, streams, and irrigation canals. Phenoxy acid herbicides can be toxic even at low concentrations. For example, the 96 h, TL1.1 This test method covers a gas chromatographic procedure for the quantitative determination of selected chlorinated acids and other acidic herbicides in water. Similar chemicals may also be determined by this test method, but it is the user’s responsibility to verify the applicability of this test method to any compounds not listed in this scope. The acid form of the following compounds were interlaboratory tested using this test method, and the results were found acceptable: Analyte |
Chemical Abstract Services |
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Bentazon |
25057-89-0 |
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2,4-D |
94-75-7 |
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2,4-DB |
94-82-6 |
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DCPA acid metabolites 2 |
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Dicamba |
1918-00-9 |
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3,5-Dichlorobenzoic acid |
51-36-5 |
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Dichlorprop |
120-36-5 |
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5-Hydroxydicamba |
7600-50-2 |
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Pentachlorophenol (PCP) |
87-86-5 |
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Picloram |
1918-02-1 |
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2,4,5-T |
93-76-5 |
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2,4,5-TP (Silvex) |
93-72-1 |
1.2 This test method may be applicable to the determination of salts and esters of analyte compounds. The form of each acid is not distinguished by this test method. Results are calculated and reported for each listed analyte as the total free acid.
1.3 This test method has been validated in an interlaboratory test for reagent water and finished tap water. The analyst should recognize that precision and bias reported in Section 18 may not be applicable to other waters.
1.4 This test method is restricted to use by or under the supervision of analysts experienced in the use of gas chromatography (GC) and in the interpretation of gas chromatograms. Each analyst must demonstrate the ability to generate acceptable results with this test method using the procedure described in 19.3. It is the user’s responsibility to ensure the validity of this test method for waters of untested matrices.
1.5 Analytes that are not separated chromatographically, that is, which have very similar retention times, cannot be individually identified and measured in the same calibration mixture or water sample unless an alternate technique for identification and quantitation exists (16.6, 16.7, and 16.8).
1.6 When this test method is used to analyze unfamiliar samples for any or all of the analytes given in 1.1, analyte identifications must be confirmed by at least one additional qualitative technique.
1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Organic Constituents (Withdrawn 2002) |
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Method 515.1, |
Revision 4.0, Methods for the Determination of Organic Compounds in Drinking Water EPA/600/4-88/039, 1989, available from Environmental Monitoring Systems Laboratory, U.S. Environmental Protection Agency, Cincinnati, OH 45268. |
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Standard Terminology Relating to Water (Includes all amendments and changes 2/14/2024). |
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