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Comparison of various methods of cleaning conifer needles from air pollution regions






Beitrage fur die Forstwirtschaft 25(1): 1-7

Comparison of various methods of cleaning conifer needles from air pollution regions

Needles of Picea abies and Pinus sylvestris from two areas in E. Germany affected by air pollution were cleaned with: (1) distilled water; (2) distilled water plus Fit, a commercial cleaning agent; (3) distilled water plus Coligon F, a commercial cleaning agent; or (4) chloroform. Data are presented on the contents of major and trace elements of the needles before and after cleaning. Removal of surface impurities increased from (1) to (4); treatment (4) removed the wax coating of the needles.


Accession: 002329358



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