Main Title |
Formation of Acidic Trace Organic By-Products from the Chlorination of Humic Acids. |
Author |
Seeger, D. R. ;
Moore, L. A. ;
Stevens, A. A. ;
|
CORP Author |
Municipal Environmental Research Lab., Cincinnati, OH. |
Year Published |
1984 |
Report Number |
EPA-600/D-84-159; |
Stock Number |
PB84-201722 |
Additional Subjects |
Water analysis ;
Water treatment ;
Potable water ;
Trace elements ;
Chlorination ;
Humic acids ;
Organic compounds ;
Chemical analysis ;
Gas chromatography ;
Mass spectroscopy ;
Phenols ;
Potable water ;
Extraction ;
Granular activated carbon treatment ;
XAD-8 resins
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB84-201722 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
34p |
Abstract |
A method for concentrating and analyzing acidic trace organics produced by the chlorination of humic acids at concentrations approximating common drinking water levels is described. Data are compared from several humic acid sources. Specific compound analyses of the extracts were conducted by fused silica capillary column gas chromatography/mass spectrometry. Mass spectral and chromatographic retention data were used to characterize the compounds. Few differences were found in the types of compounds formed from the chlorination of humic acids from the different sources. A notable difference from other published work was the tentative identification of ring-chlorinated methoxy or phenolic aromatic acids. A granular activated carbon concentration column gave better recoveries of a wide range of compounds than an XAD-8 resin column, but some higher molecular weight compounds, particularly aromatics, were recovered more efficiently from the XAD-8 column. |
PUB Date Free Form |
Jun 84 |
Category Codes |
7D; 68D; 99A |
NTIS Prices |
PC A03/MF A01 |
Primary Description |
600/14 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
424416769 |
Origin |
NTIS |
Type |
CAT |