KANDUNGAN TIMBAL (Pb) PADA TANAMAN PENEDUH DI JALAN TUANKU TAMBUSAI KOTA PEKANBARU
Abstract: The increased number
of vehicles are getting bigger every year, including in Pekanbaru. One of the
air pollution sources come from vehicle. The exhaust from vehicle contains
harmful heavy metals, for example is the lead. Tuanku Tambusai Street (Nangka
Street) is one of the crowded streets in Pekanbaru which have a quite large
heavy metals that emitted into the air. Lead is harmful to human health and the
environment, so shade plants needs to be planted as bio-indicators. However,
not all plants have the same ability to absorb the lead. This study aims to
determine the amount of lead content in shade plants on Tuanku Tambusai street,
in Pekanbaru city and to know the type of shade plants and canopy strata that
most absorb to the lead. This study uses a Wet Ashing Method for the
destruction the sample, then it is analyzed using Atomic Absorption
Spectrophotometer (AAS). The results shows that the leaf Polyalthia longifolia
Bent. & Hook. F. is 1.88 µg/g higher than Pterocarpus indicus Willd. 1.57
µg/g and Swietenia macrophylla 1.16 µg/g. Lead content in the middle of the
canopy strata (1.72 µg/g) is higher than the content of lead in the bottom of
the canopy strata (1.52 µg/g) and the upper canopy strata (1.38 µg/g).
Penulis: Indah Sulistyo
Ningrum, Defri Yoza, Tuti Arlita
Kode Jurnal: jppertaniandd160151
