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Table 1 Light and heavy rare earth element content in soil samples

From: The accumulation of rare-earth yttrium ions by Penicillium sp. ZD28

Soil samplesaContent of the light REEs (mg/kg)
LaCePrNdSmEu
120.4 ± 1.542.7 ± 108.70 ± 2.144.7 ± 3.533.6 ± 11.20.13 ± 1.5
21.3 ± 0.329.5 ± 5.00.94 ± 0.25.2 ± 1.56.06 ± 2.00.03 ± 0.01
314.7 ± 3.928.5 ± 1.24.58 ± 1.520.2 ± 5.25.10 ± 1.41.85 ± 1.5
4111.0 ± 898.6 ± 6.030.1 ± 2.6118.5 ± 5124.4 ± 1.86.03 ± 1.2
519.8 ± 2.350.1 ± 3.28.89 ± 1.544.2 ± 5.632.8 ± 11.00.20 ± 0.1
620.8 ± 1.540.1 ± 6.28.52 ± 2.147.7 ± 2.940.4 ± 10.20.58 ± 0.12
720.8 ± 543.5 ± 14.18.46 ± 1.546.0 ± 11.239.8 ± 5.30.49 ± 0.23
816.1 ± 3.231.1 ± 2.36.77 ± 1.137.8 ± 9.033.3 ± 5.00.45 ± 0.33
920.5 ± 2.034.7 ± 10.18.19 ± 3.945.5 ± 5.141.1 ± 11.20.52 ± 0.12
Soil samplesaContent of the heavy REEs (mg/kg)
GdTbDyHoErTmYbLuY
161.6 ± 11.012.45 ± 2.188.3 ± 11.218.95 ± 2.158.7 ± 2.08.43 ± 5.160.0 ± 21.59.40 ± 2.1624 ± 101.0
213.60 ± 8.53.66 ± 1.530.7 ± 10.27.87 ± 1.527.3 ± 1.64.90 ± 2.039.1 ± 3.66.46 ± 1.5173.5 ± 89.2
36.31 ± 1.50.95 ± 0.26.14 ± 1.21.25 ± 0.63.47 ± 1.80.45 ± 0.232.92 ± 2.10.43 ± 0.236.3 ± 10.0
422.1 ± 3.52.96 ± 0.316.70 ± 6.23.31 ± 1.28.36 ± 2.31.06 ± 0.566.68 ± 0.561.02 ± 0.284.5 ± 12.3
559.7 ± 12.313.60 ± 2.3100.5 ± 20.122.7 ± 2.373.9 ± 21.011.70 ± 2.385.6 ± 18.213.40 ± 1.8633 ± 80.7
6108.5 ± 20.021.6 ± 4.2153.5 ± 20.035.3 ± 12.4109.5 ± 36.815.75 ± 6.5101.5 ± 25.616.65 ± 8.31415 ± 500.1
7105.0 ± 18.021.1 ± 5.2153.5 ± 18.335.0 ± 14.2107.5 ± 50.214.90 ± 4.5100.0 ± 35.116.25 ± 4.01405 ± 436.1
887.9 ± 2.317.40 ± 3.9125.5 ± 17.228.8 ± 10.188.7 ± 12.512.60 ± 7.285.7 ± 25.314.00 ± 2.91095 ± 221.0
9108.5 ± 14.221.8 ± 4.8156.0 ± 26.335.1 ± 9.8107.0 ± 41.214.75 ± 6.397.6 ± 38.115.65 ± 5.61380 ± 400.1
  1. aSamples 1–5 were from the mined spot, where the soil is high in quartz and gray-white in color. Samples 6–9 were obtained from the unmined spot, where the soil is red topsoil after removing withered leaves