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A technique for the identification and direct analysis of hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine in metalworking fluids using electrospray-mass spectrometry.

Authors
Pretty-J; Glaser-R; Jones-J III; Lunsford-RA
Source
Analyst 2004 Nov; 129(11):1150-1155
NIOSHTIC No.
20025668
Abstract
Hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine is a widely used biocide in metalworking fluids that resists direct quantification in many analytical methods due to instability. It can be detected in electrospray-mass spectrometry (ES-MS) due to the formation of a charged and relatively stable adduct with the sodium ion. This adduct produces a distinct ion spectrum via collision-induced fragmentation, which should promote specific detection of the analyte in complex matrices. ES-MS detection of the analyte added to, or already present in, metalworking fluid samples at microg mL(-1) levels is demonstrated. Parameters affecting the formation and detection of the sodium adduct, including choice of solvent, alkalinity, and sodium ion level are explored. Linearity of response in flow injection mode is demonstrated.
Keywords
Metalworking-industry; Metalworking-fluids; Metalworking; Mass-spectrometry; Biocides; Analytical-methods; Sodium-compounds; Sampling; Solvents
Contact
U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Division of Applied Research and Technology, 4676 Columbia Parkway, Cincinnati, OH 452
CODEN
ANALAO
CAS No.
7440-23-5
Publication Date
20041101
Document Type
Journal Article
Email Address
JPretty@cdc.gov
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Issue of Publication
11
ISSN
0003-2654
NIOSH Division
DART
Priority Area
Research Tools and Approaches: Exposure Assessment Methods
Source Name
Analyst
State
OH; LA
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