Simple sample digestion of sewage and sludge for multi-element analysis
Journal Article
·
· J. Environ. Sci. Health, Part A; (United States)
A simple digestion method of sewage, sludge, and other materials in sealed ampuls for multi-element determination is reported. The sealed samples are digested in an autoclave at 125/sup 0/C and 1.2 atmosphere pressure for one hour. In a single digestion both volatile and non-volatile elements are recovered. Comparison of this method with conventional hot plate digestion using NBS reference materials, sewage, and sludge, shows equal or better recoveries of the metals in sealed ampuls. The method is not prone to metal contamination and can be used for large numbers of samples.
- Research Organization:
- Univ. of Washington, Seattle
- OSTI ID:
- 6098990
- Journal Information:
- J. Environ. Sci. Health, Part A; (United States), Vol. A19:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
METALS
RECOVERY
SEWAGE SLUDGE
MULTI-ELEMENT ANALYSIS
SAMPLE PREPARATION
COMPARATIVE EVALUATIONS
DATA COMPILATION
CHEMICAL ANALYSIS
DATA
ELEMENTS
INFORMATION
NUMERICAL DATA
SEWAGE
SLUDGES
WASTES
510200* - Environment
Terrestrial- Chemicals Monitoring & Transport- (-1989)
METALS
RECOVERY
SEWAGE SLUDGE
MULTI-ELEMENT ANALYSIS
SAMPLE PREPARATION
COMPARATIVE EVALUATIONS
DATA COMPILATION
CHEMICAL ANALYSIS
DATA
ELEMENTS
INFORMATION
NUMERICAL DATA
SEWAGE
SLUDGES
WASTES
510200* - Environment
Terrestrial- Chemicals Monitoring & Transport- (-1989)