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HF-Totalaufschluß im geschlossenen System für Element- und Spurenelementbestimmungen in Boden, Klärschlamm, Sedimenten u. ä. Proben.
A complete HF digestion method for element and trace element determination in soils, sediments, sludges and other similar samples using a closed system.
Fresenius Z. Anal. Chem. 326, 135-138 (1987)
Based on the earlier described pressure ashing device [1], a modified system is described for a complete HF-ashing technique of silicate matrices like soils, sediments and sludges. Using graphite fortified PTFE material in combination with pure PTFE sample containers, it is possible to apply a mixture of HNO3/HF for ashing in the closed pressure ashing apparatus. This technique was tested with several standard reference materials. The advantage of the new system is a considerable saving of time, freedom of contamination and element losses in comparison to the open techniques.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
0016-1152
Quellenangaben
Volume: 326,
Issue: 2,
Pages: 135-138
Publisher
Springer
Non-patent literature
Publications
Institute(s)
Institute of Ecological Chemistry (IOEC)