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Table 2 Trace metal values of traditional varieties of rice-ICP-MS analysis (μg/dry g) please note that the units are different from Table 1

From: Presence of arsenic in Sri Lankan rice

  Al 1 Sb As 1 Ba Be Cd 1 Cr 2 Co Cu 2 Fe 2 Pb 1 Mn 3 Hg 1 Mo 2 Ni 3 Se 2 Ag Sr Tl Sn 1 Ti V 2 Zn 2
Kalu Heenati (n = 6) 4.3 0.1 ND 0.7 ND ND 0.7 0.3 2.3 7.7 ND 9.3 ND 0.7 1.3 0.2 0.2 0.3 ND 0.1 0.5 1.0 11.6
Kuruluthuda (n = 4) 1.5 0.1 ND 0.6 ND ND 0.7 0.3 1.8 3.1 ND 5.2 ND 0.4 0.6 0.2 ND 0.2 ND 0.1 0.3 0.9 7.15
Madathawalu (n = 2) 3.3 0.1 ND 0.6 ND ND 0.7 0.3 2.4 4.8 ND 8.0 ND 0.4 1.4 0.2 ND 0.2 ND 0.1 0.3 0.9 10.9
Kahawanu (n = 2) ND 0.1 ND 0.3 ND ND 0.7 0.3 2.2 2.1 ND 4.0 ND 0.6 0.8 0.2 ND 0.1 ND 0.1 0.2 1.0 6.45
Kalu Heenati* (n = 2) 2.0 0.1 0.1 1.0 ND ND 0.8 0.3 2.0 12.0 ND 16.9 ND 0.6 2.5 0.2 ND 0.3 ND 0.1 0.6 1.2 17.0
Madathawalu* (n = 2) 2.4 0.1 0.1 3.4 ND ND 0.6 0.3 1.8 7.8 ND 17.0 ND 0.7 1.4 0.3 ND 0.4 ND 0.1 0.4 1.0 17.3
Pachchaperumal* (n = 2) 7.5 0.1 0.1 1.2 ND ND 0.7 0.4 2.3 7.4 ND 11.1 ND 0.4 9.5 0.3 ND 0.8 ND 0.1 0.5 1.0 12.9
  1. 1Toxic elements 2Essential elements and trace elements (in overdose some may be toxic)) 3Probably essential elements. (http://apps.who.int/iris/bitstream/10665/37931/1/9241561734_eng.pdf).
  2. *non-organically cultivated.