ASTM D5317-20
- standard by ASTM International, 08/15/2020
- Standard Test Method for Determination of Chlorinated Organic Acid Compounds in Water by Gas Chromatography with an Electron Capture Detector
- Category: ASTM
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Full Description
1.1 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:2
Analyte | Chemical Abstract Services |
|
|
Bentazon | 25057-89-0 |
2,4-D | 94-75-7 |
2,4-DB | 94-82-6 |
DCPA acid metabolites ² |
|
Dicamba | 1918-00-9 |
3,5-Dichlorobenzoic acid | 51-36-5 |
Dichlorprop | 120-36-5 |
5-Hydroxydicamba | 7600-50-2 |
Pentachlorophenol (PCP) | 87-86-5 |
Picloram | 1918-02-1 |
2,4,5-T | 93-76-5 |
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.
Product Details
- Published:
- 08/15/2020
- Number of Pages:
- 15
- File Size:
- 1 file , 190 KB
- Redline File Size:
- 2 files , 420 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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