| Main Title |
Development of a rapid analytical method for determining asbestos in water / |
| Author |
Melton, Carl W. ;
Anderson, Sandra J. ;
Dye, Carolyn F. ;
Chase, W. Eugene ;
Heffelfinger, Richard E.
|
| Other Authors |
|
| CORP Author |
Environmental Research Laboratory (Athens, Ga.) |
| Publisher |
Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory ; For sale by the National Technical Information Service, |
| Year Published |
1978 |
| Report Number |
EPA 600-4-78-066; EPA-68-03-2199 |
| Stock Number |
PB-290 687 |
| OCLC Number |
04697651 |
| ISBN |
pbk. |
| Subjects |
Water--Analysis. ;
Asbestos.
|
| Additional Subjects |
Water analysis ;
Asbestos ;
Chemical analysis ;
Water pollution ;
Separation ;
Concentration(Composition) ;
Extraction ;
Sampling ;
Liquid phases ;
Binary systems(Materials) ;
Water pollution detection ;
Two phase liquid separation method
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJBD ARCHIVE |
EPA 600-4-78-066 |
|
Headquarters Library/Washington,DC |
03/14/2016 |
| EJED |
EPA 600-4-78-066 |
|
OCSPP Chemical Library/Washington,DC |
07/02/2019 |
| EKAM |
EPA 600/4-78-066 |
|
Region 4 Library/Atlanta,GA |
07/08/1994 |
| EKBD |
EPA-600/4-78-066 |
|
Research Triangle Park Library/RTP, NC |
09/07/2001 |
| EKCD |
EPA-600/4-78-066 |
|
CEMM/GEMMD Library/Gulf Breeze,FL |
07/25/2018 |
| ERAD |
EPA 600/4-78-066 |
|
Region 9 Library/San Francisco,CA |
10/29/2012 |
| ESAD |
EPA 600-4-78-066 |
|
Region 10 Library/Seattle,WA |
03/23/2010 |
| NTIS |
PB-290 687 |
Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. |
|
01/01/1988 |
|
| Collation |
xi, 67 pages : illustrations ; 28 cm. |
| Abstract |
The development of a rapid analytical method for determining chrysotile asbestos in water that requires substantially less time per analysis than electron microscopy methods is described. Based on the proposition that separation of chrysotile from other waterborne particulate would greatly simplify the task of detection, the research effort was directed toward establishing separation and concentration techniques. This investigation led to the development of a separation procedure whereby chrysotile is extracted from a water sample into an immiscible organic liquid phase. The procedure is called two-phase liquid separation (TPLS). TPLS has been combined with a light microscopic intercept counting technique and with a colorimetric spot test detection technique to result in two complete rapid analytical methods. The TPLS-light microscopic (LM) method requires more expensive equipment than the TPLS-spot test method; however, the limit of detection of TPLS-LM method is 1.0 ng at the 99 percent confidence level, whereas the limit of detection of the TPLS-spot test method is approximately 100 ng. The TPLS-LM method, therefore, is recommended as a first choice, and the TPLS-spot test method is recommended for use under conditions that require no greater detection sensitivity than 100 ng per sample. Experiments have shown that 75 percent of the chrysotile is extracted by TPLS. |
| Notes |
Contract no. 68-03-2199. "EPA 600-4-78-066." "December 1978." Cover title. Includes bibliographical reference. |
