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



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



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



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.

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Accession: 002329358

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