Title: Contents of heavy metals in soil and plants
Abstract: Pollution of soil and plants caused by air pollutants such as soot, dusts, industrial emissions, and automotive exhaust gases was examined. The heavy metal content in the soil and plants of heavily industrialized Kita-Kyushu City and those of non-polluted areas of Fukucka were compared. Soil and plants were liquefied by potassium carbonate and sodium carbonate, and the manganese, zinc, nickel, cobalt, copper, cadmium, lead, and chromium content was measured by atomic absorption spectrophotometry, and titanium and vanadium content by colorimetry. Generally, plants contained large quantities of Mn, Ti, and Zn, and soil contained Mn, Ti, Cr, and Pb. The metal composition in the soil was very similar to the metal composition found in settling particles. There was a clear correlation between the content of the settling particles and the metal composition of the soil in the same area. However, the degree of absorption of metals by the plants grown in the soil showed no correlation with the settling particle content. The degree of absorption of metals obviously varied among the species.
Publication Year: 1972
Publication Date: 1972-01-01
Language: en
Type: article
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