Low-contamination digestion bomb method using a Teflon double vessel for biological materials
Journal Article
·
· Anal. Chem.; (United States)
Through the NIES (National Institute for Environmental Studies) CRM (certified reference material), it has been required to investigate and develop a contamination-free digestion system for biological materials, since trace element levels in these matrices are so low that contamination during sample dissolution procedure often became a limiting factor for trace analysis. At an earlier stage, a Teflon bomb developed by Iida et al. was used for the decomposition of NIES Chlorella and Freeze-Dried Serum reference materials. Recently, an improved Teflon bomb method has been developed. The method uses a small screw cap vial for sample decomposition inside the Teflon digestion vessel. This digestion system can reduce the risk of sample leakage and contamination with extraneous materials and can be applied to biological materials up to approximately 300 mg of dry weight. 7 references, 1 figure, 1 table.
- Research Organization:
- National Inst. for Environmental Studies, Tsukuba, Japan
- OSTI ID:
- 5973093
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 56:9; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104* -- Spectral Procedures-- (-1987)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSORPTION SPECTROSCOPY
ACID HYDROLYSIS
ALKALINE EARTH METALS
ANIMALS
AQUATIC ORGANISMS
ARSENIC
BIOLOGICAL MATERIALS
CADMIUM
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHROMIUM
COBALT
COPPER
DATA
DECOMPOSITION
ELEMENTS
EMISSION SPECTROSCOPY
EXPERIMENTAL DATA
HYDROLYSIS
INFORMATION
INVERTEBRATES
IRON
LEAD
LYSIS
MANGANESE
MATERIALS
MERCURY
METALS
MOLLUSCS
MUSSELS
NICKEL
NUMERICAL DATA
OYSTERS
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLE PREPARATION
SEMIMETALS
SILVER
SOLVOLYSIS
SPECTROSCOPY
STRONTIUM
TRACE AMOUNTS
TRANSITION ELEMENTS
ZINC
400104* -- Spectral Procedures-- (-1987)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSORPTION SPECTROSCOPY
ACID HYDROLYSIS
ALKALINE EARTH METALS
ANIMALS
AQUATIC ORGANISMS
ARSENIC
BIOLOGICAL MATERIALS
CADMIUM
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHROMIUM
COBALT
COPPER
DATA
DECOMPOSITION
ELEMENTS
EMISSION SPECTROSCOPY
EXPERIMENTAL DATA
HYDROLYSIS
INFORMATION
INVERTEBRATES
IRON
LEAD
LYSIS
MANGANESE
MATERIALS
MERCURY
METALS
MOLLUSCS
MUSSELS
NICKEL
NUMERICAL DATA
OYSTERS
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLE PREPARATION
SEMIMETALS
SILVER
SOLVOLYSIS
SPECTROSCOPY
STRONTIUM
TRACE AMOUNTS
TRANSITION ELEMENTS
ZINC