ASTM-D7599 › Historical Revision Information
Standard Test Method for Determination of Diethanolamine, Triethanolamine, N-Methyldiethanolamine and N-Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
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Scope
1.1 This procedure covers the determination of diethanolamine, triethanolamine, N-methyldiethanolamine and N-ethyldiethanolamine (referred to collectively as ethanolamines in this test method) in surface water by direct injection using liquid chromatography (LC) and detected with tandem mass spectrometry (MS/MS). These analytes are qualitatively and quantitatively determined by this test method. This test method adheres to single reaction monitoring (SRM) mass spectrometry.
1.2 This test method has been developed by US EPA Region 5 Chicago Regional Laboratory (CRL).
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 The Detection Verification Level (DVL) and Reporting Range for the ethanolamines are listed in Table 1.
1.4.1 The DVL is required to be at a concentration at least 3 times below the Reporting Limit (RL) and have a signal/noise ratio greater than 3:1. Fig. 1 displays the signal/noise ratios at the DVLs and at higher concentrations for N-methyldiethanolamine.
Diethanolamine
25
24
6
96.34
51.00
156.96
31.31
10.96
32.50
9.49
Diethanolamine
50
24
6
101.41
54.00
154.80
29.54
7.97
29.13
7.91
Diethanolamine
200
24
6
101.57
61.00
138.00
20.98
10.50
20.66
10.85
Diethanolamine
425
24
6
102.06
70.00
138.82
17.98
5.90
17.61
5.70
Triethanolamine
25
24
6
87.70
35.96
157.20
27.00
25.18
30.79
27.48
Triethanolamine
50
24
6
94.95
67.00
121.66
16.39
9.57
17.26
9.66
Triethanolamine
200
22
6
105.00
79.50
132.00
14.06
11.81
13.39
11.52
Triethanolamine
425
24
6
96.94
40.00
144.94
27.56
4.41
28.43
5.76
N-Ethyldiethanolamine
25
24
6
90.61
31.00
132.00
39.42
7.47
43.51
10.42
N-Ethyldiethanolamine
50
23
6
111.88
49.00
146.00
28.71
7.19
25.66
7.56
N-Ethyldiethanolamine
200
24
6
106.20
60.00
134.00
23.09
11.96
21.74
12.23
N-Ethyldiethanolamine
425
24
6
99.67
51.00
130.00
23.07
4.68
23.15
6.01
N-Methyldiethanolamine
25
24
6
88.43
41.72
133.60
25.24
13.29
28.55
16.70
N-Methyldiethanolamine
50
24
6
102.28
56.00
153.80
25.85
8.73
25.27
8.22
N-Methyldiethanolamine
200
24
6
101.02
59.00
136.50
20.07
9.51
19.87
9.54
N-Methyldiethanolamine
425
24
6
94.75
63.00
115.76
15.02
3.34
15.85
3.72
Diethanolamine-D8 (Surrogate)
200
96
6
103.02
60.00
151.95
21.13
9.40
20.51
9.25
1.5 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 and health practices and determine the applicability of regulatory limitations prior to use.
Significance and Use
5.1 N-Ethyldiethanolamine, N-methyldiethanolamine and triethanolamine are Schedule 3 compounds under the Chemical Weapons Convention (CWC). Schedule 3 chemicals include those that have been produced, stockpiled or used as a chemical weapon, poses otherwise a risk to the object and purpose of the CWC because they possess such lethal or incapacitating toxicity as well as other properties that might enable it to be used as a chemical weapon, poses otherwise a risk to the object and purpose of the CWC by virtue of it’s importance in the production of one or more chemicals listed in Schedules 1 or 2, or it may be produced in large commercial quantities for purposes not prohibited under the CWC.4 Ethanolamines have a broad spectrum of applications. They are used to produce adhesives, agricultural products, cement grinding aids, concrete additives, detergents, specialty cleaners, personal care products, gas treatments, metalwork, oil well chemicals, packaging and printing inks, photographic chemicals, rubber, textile finishing, urethane coatings, textile lubricants, polishes, pesticides, and pharmaceuticals. Ethanolamines are readily dissolved in water, biodegradable and the bio-concentration potential is low.5
5.2 This test method has been investigated for use with reagent and surface water.
Keywords
ethanolamines; liquid chromatography; mass spectrometry; water;; ICS Number Code 13.060.50 (Examination of water for chemical substances)
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13.060.50 (Examination of water for chemical substances)
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Document Number
ASTM-D7599-16
Revision Level
2016 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
June 1, 2016
Document Type
Test Method
Page Count
10 pages
Committee Number
D19.06