Cemaran Pb (II) pada Bawang Daun (Allium fistulosum L) Di Daerah Sepanjang Jalan Raya Padang Panjang - Bukittinggi

Rusli, Husna and Mulyani , Mulyani and Syarif, Mardius (2010) Cemaran Pb (II) pada Bawang Daun (Allium fistulosum L) Di Daerah Sepanjang Jalan Raya Padang Panjang - Bukittinggi. Jurnal Sains dan Teknologi Farmasi, 7 (1). pp. 44-48. ISSN 1410-0177

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Abstract

Concentration of Pb (II) in spring unions (Allium stulosunt I. ) grown along Padang Panjang - Bukittinggi main road had been carried out. In this researclt, the samples were taken from three regions; Jambu Air, Padang Luar and Bukit Sumngan. The dried samples lvere treated lvith nitric acid and hidrogen peroxide. Concentration of Pb (II) was measured by using Atomic Absorption Spectrophotornetric at wave length of 283 ,3 nm. The level of Pb (II) in Jambu Air 0,423 ppm, Padang Luar 0,4 10 ppm and Bukit Surungan 0,290 ppm. The value of Pb (II) resulted in this study did not exceed tlte ntaxinlum concentration of Pb (II) by Dirjen POM, Department of Health, Republic of Indonesia, which wits 2,0 ppm. Statistical test by analysis of variance showed that concentration Pb(lI) in various samples were different significantly (a = 0.5; F calculated > F crities) Kelrvords : Atlium f stulosum L., Pb(II), Padang Panjang - Bukittinggi main road

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