MaTestLab > Test Standards > ASTM D7599 Standard Test Method for Determination of Diethanolamine, Triethanolamine, and other Amines in Water by SRM LC/MS-MS
ASTM D7599 Standard Test Method for Determination of Diethanolamine, Triethanolamine, and other Amines in Water by SRM LC/MS-MS
ASTM D7599 describes the method of detecting and determining four specific amines namely, Diethanolamine (DEA), Triethanolamine (TEA), N-Methyldiethanolamine (MDEA), and N-Ethyldiethanolamine (EDEA) in aqueous samples employing Single Reaction Monitoring (SRM) Liquid Chromatography Tandem Mass Spectrometry (LC/MS-MS). The analysis of amines helps in the monitoring of waters in the environment, effluent, and industrial process.
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ASTM D7599 Introduction
N-Ethyldiethanolamine, N-methyl diethanolamine, and triethanolamine are Schedule 3 under the Chemical Weapons Convention (CWC). Those mentioned substances fall into the danger of the CWC as they are lethal or incapacitating toxins, of key importance in the production of chemicals in Schedules 1 and 2 or are produced in large commercial quantities for purposes not prohibited to or banned for under the Chemical Weapons Convention. Ethanolamines have a range of applications encompassing adhesives, agricultural products, cement grinding aids, 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. They are easily soluble in water, biodegradable, and possess low bio-concentration potential.
ASTM D7599 Test Method
Sample Handling and Preparation
For ethanolamines analysis, samples are forwarded to incubation in a lab between 0°C and 6°C and inspected within 7 days of collection. In a laboratory, the samples are spiked with surrogate, filtered using a syringe-driven Millex HV PVDF filter unit and analyzed directly by LC/MS/MS.
Analysis and Quantitation
LC/MS/MS is used in detecting and quantitating diethanolamine, triethanolamine, N-methyldiethanolamine, and N-ethyldiethanolamine in the filtered samples. Identification is done based on retention time and SRM transition. The quantitation used external calibration of the SRM transitions. A final report issued consisting of concentrations of each target analyte and the recovered rate of surrogate.
ASTM D7599 Equipment and Sample Preparation
Sample Details
Sources of water samples are primarily industrial wastes, wastewater treatment plants, or environmental waters that are suspected to have amine contamination.
Sample Dimensions
All samples are placed in clean amber glass bottles to avoid light exposure and contamination. Grab samples are taken in ≥25-mL.The Teflon-lined caps on pre-cleaned amber glass bottles were interference-free.
Sample Preparation
Samples are filtered to remove particles and then subjected to the process of SPE for the concentration of amines. Addition of an internal standard during sample preparation may be a necessity for accurate quantitation, and the analyte extract is dissolved in appropriate solvent for LC/MS-MS analysis.
ASTM D7599 Test Results and Interpretation
The results of the method give the concentration of each amine, such as DEA, TEA, MDEA, and EDEA in micrograms per liter of water. These indicate the presence and levels of the targeted amines thus assessing the compliance with the regulatory standards. Often, the lower detection level at ppb means low contaminant concentrations can be detected thus enhancing the understanding of the extent to which amine pollution may exist and its potential environmental impact.
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Other Tests Related to ASTM D7599
The test standard can be carried out in combination with other analyses like ASTM D5127 for industrial deionized water analysis and ASTM D6919 test standard for cation analysis in natural waters using ion chromatography.
Use of ASTM D7599 in Various Industries
This test is used in a variety of industries, including water treatment. It is used to monitor amine pollutants in effluent and natural water sources. Chemical manufacturing to guarantee quality control, check the amines utilized throughout production. In gas treatment operations, amine-based solvents are commonly used to extract CO₂.
Materials Commonly Tested with ASTM D7599
The approach is applicable to environmental and industrial water samples where amine contamination is a problem, such as wastewater effluents, surface and groundwater, and process water.
Common Challenges and Troubleshooting in ASTM D7599 Testing
Common problems encountered with the system include matrix interferences caused by interference from other water contaminants and sensitivity limits of an instrument. Calibration and validation of the MS-MS system with standard solutions are useful in reducing such problems. Regular maintenance of the LC/MS-MS setup is also crucial for ensuring reliable and reproducible results.
Safety and Best Practices in ASTM D7599 Testing
Laboratory safety is equally important in the handling of chemicals and solvents while preparing and analyzing samples. Ventilation, personal protective equipment, gloves, goggles, and storage of solvents are considered important. Regular calibration and maintenance of LC/MS-MS systems ensure accuracy in the method.
Importance of ASTM D7599
Monitoring the contamination of water by amine through this test standard proves to be a crucial support for environmental safety. It ensures that regulation levels are being met and helps manage an industry’s utilization of amine, which will reduce the negative influence of using it so as not to harm living organisms within the ecosystem surrounding it.
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The turnaround time for astm d7599 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d7599 tested?
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