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Table 2 Trace metal profiles of commonly used fertilizers in Sri Lanka

From: Phosphate fertilizer is a main source of arsenic in areas affected with chronic kidney disease of unknown etiology in Sri Lanka

(mg/kg) Urea MOP TSP
Element Mean Range Mean Range Mean Range
Al 2.6 1.0-3.3 151.3 97.9-231.1 9939.0 8923.0-11290.0
Sb 0.1 0.1-0.2 0.1 0.1-0.1 6.0 5.7-6.0
As 0.1 ND-0.3 0.3 0.2-0.4 28.9 26.5-31.9
Ba 0.1 0.1-0.1 1.1 1.0-1.3 79.1 77.6-83.4
Be 0.1 0.1-0.1 0.1 0.1-0.2 2.2 2.1-2.3
Cd ND ND 0.1 0.1-0.2 2.0 1.9-2.0
Cr ND ND 1.2 0.4-2.7 29.3 22.6-33.7
Co 0.1 0.1-0.1 0.2 0.2-0.3 6.0 5.9-6.4
Cu 0.2 0.1-0.4 0.3 0.3-0.4 15.0 14.2-16.0
Fe 1.0 ND-1.7 2371.3 2252.3-2634.3 11215.3 10910.3-11760.3
Pb 0.2 0.2 - 0.2 0.8 0.8-0.9 252.5 251.7-263.9
Mn 0.3 0.1-0.4 12.3 11.6-13.7 1948.0 1886.0-2034.0
Ni 1.0 0.2-3.7 0.3 0.2-0.5 25.0 23.9-27.1
Se 0.2 ND-0.5 1.7 1.4-2.1 2.0 1.2-2.5
Ag 0.1 0.1-0.1 0.1 0.1-0.1 0.3 0.1-0.3
Sr 0.1 ND-0.1 10.2 9.8-10.6 245 230-277.9
Tl 0.1 ND-0.1 0.1 ND-0.2 0.5 0.5-0.5
Sn 0.1 0.1-0.2 0.2 0.2-0.3 0.7 0.7-0.7
Ti ND ND 4.1 2.6-5.0 439.6 379.0-496.3
V 0.2 0.2-0.4 0.3 0.2-0.5 37.1 34.9-39.3
Zn ND ND 0.8 0.2-1.3 489.8 443.6-544.0