Journal of Analytical Methods in Chemistry / 2021 / Article / Tab 1 / Research Article
Multielement Analysis of Pakchoi (Brassica rapa L. ssp. chinensis ) by ICP-MS and Their Classification according to Different Small Geographical Origins Table 1 Contents (µ g/g, fresh weight base) of the 42 elements in pakchoi from 6 locations in Hanoi.
Element LOD LOQ Cultivation region Tien Phong Thanh Da Linh Nam Thanh Xuan Van Duc Van Noi (n = 10) (n = 10) (n = 10) (n = 10) (n = 10) (n = 10) 11 B0.031 ± 0.002 0.103 ± 0.006 <MQL 2.225 ± 0.001 2.296 ± 0.149 1.679 ± 0.254 1.103 ± 0.028 1.367 ± 0.129 23 Na2.220 ± 0.054 7.399 ± 0.179 740.7 ± 3.2 194.33 ± 3.43 343 ± 27 1056 ± 7 352.6 ± 3.6 401 ± 8 24 Mg9.090 ± 0.081 30.29 ± 0.269 528.8 ± 5.1 543.4 ± 5.9 536.5 ± 49.1 543.1 ± 42 629.6 ± 10.5 518.6 ± 6.7 27 Al1.100 ± 0.007 3.666 ± 0.023 58.85 ± 5.6 242.1 ± 7.7 130.5 ± 9.6 102.8 ± 1.2 305.8 ± 20.2 72.63 ± 4.16 28 Si28.07 ± 0.103 93.55 ± 0.342 45.77 ± 3.2 37.53 ± 1.83 212.4 ± 10.8 302.5 ± 33.1 126.7 ± 1.8 163.9 ± 9.9 39 K12.01 ± 0.051 40.02 ± 0.169 11369 ± 44 10464 ± 15 8683 ± 85 11915 ± 20 12113 ± 133 9220 ± 36 43 Ca4.003 ± 0.011 13.34 ± 0.036 5422 ± 41 6425 ± 62 6626 ± 61 7517 ± 56 8268 ± 52 5983 ± 24 45 Sc0.667 ± 0.004 2.223 ± 0.013 0.135 ± 0.011 0.272 ± 0.026 0.215 ± 0.121 0.213 ± 0.076 0.241 ± 0.012 0.207 ± 0.011 47 Ti0.429 ± 0.003 1.429 ± 0.009 1.383 ± 0.012 2.726 ± 0.121 1.246 ± 0.122 2.062 ± 0.169 1.608 ± 0.073 1.255 ± 0.191 51 V0.056 ± 0.006 0.186 ± 0.019 0.028 ± 0.002 0.065 ± 0.06 0.042 ± 0.003 0.034 ± 0.003 0.054 ± 0.002 0.031 ± 0.002 52 Cr0.072 ± 0.001 0.239 ± 0.003 0.123 ± 0.003 0.121 ± 0.007 0.111 ± 0.004 0.192 ± 0.001 0.157 ± 0.006 0.214 ± 0.006 55 Mn0.114 ± 0.002 0.379 ± 0.006 20.34 ± 1.07 9.976 ± 0.311 10.98 ± 0.11 22.9 ± 0.13 20.44 ± 0.18 14.11 ± 0.37 56 Fe2.030 ± 0.007 6.765 ± 0.023 20.39 ± 1.05 50.89 ± 0.18 31.59 ± 2.35 26.17 ± 2.21 21.12 ± 1.94 26.97 ± 0.43 59 Co0.005 ± 0.001 0.016 ± 0.003 0.018 ± 0.001 0.027 ± 0.002 0.041 ± 0.044 0.023 ± 0.002 0.026 ± 0.002 0.017 ± 0.001 60 Ni0.023 ± 0.003 0.076 ± 0.009 0.117 ± 0.001 0.065 ± 0.003 0.061 ± 0.005 0.279 ± 0.002 0.274 ± 0.092 0.364 ± 0.015 63 Cu0.027 ± 0.002 0.089 ± 0.006 0.35 ± 0.02 0.219 ± 0.011 0.441 ± 0.003 0.979 ± 0.019 0.702 ± 0.074 0.786 ± 0.036 66 Zn0.703 ± 0.026 2.343 ± 0.086 7.148 ± 0.09 9.204 ± 0.811 8.674 ± 0.572 15.73 ± 1.21 16.74 ± 0.302 12.73 ± 0.156 69 Ga0.070 ± 0.001 0.233 ± 0.003 0.399 ± 0.017 0.561 ± 0.005 0.636 ± 0.003 1.079 ± 0.025 1.835 ± 0.037 0.525 ± 0.035 75 As0.005 ± 0.001 0.016 ± 0.003 <MQL 0.022 ± 0.002 0.041 ± 0.002 0.073 ± 0.19 0.044 ± 0.004 0.032 ± 0.003 85 Rb0.004 ± 0.001 0.013 ± 0.003 3.111 ± 0.044 2.474 ± 0.218 4.783 ± 0.321 8.548 ± 0.581 6.638 ± 0.058 4.587 ± 0.139 88 Sr0.091 ± 0.016 0.303 ± 0.053 17.77 ± 0.32 15.57 ± 0.57 13.6 ± 1.2 18.5 ± 0.8 17.18 ± 0.01 15.81 ± 0.02 89 Y0.018 ± 0.001 0.059 ± 0.006 0.028 ± 0.004 0.046 ± 0.004 0.032 ± 0.001 0.044 ± 0.003 0.047 ± 0.002 0.0302 ± 0.0022 90 Zr0.0021 ± 0.0001 0.006 ± 0.0003 0.006 ± 0.001 0.004 ± 0.001 0.017 ± 0.001 0.0048 ± 0.0003 0.021 ± 0.001 0.0062 ± 0.0004 93 Nb0.0014 ± 0.0001 0.004 ± 0.0003 0.004 ± 0.001 0.004 ± 0.002 0.003 ± 0.003 0.0058 ± 0.004 0.016 ± 0.001 0.045 ± 0.002 95 Mo0.032 ± 0.002 0.106 ± 0.006 0.075 ± 0.003 0.032 ± 0.003 0.026 ± 0.002 0.155 ± 0.002 0.070 ± 0.031 0.093 ± 0.003 105 Pd0.0091 ± 0.0002 0.030 ± 0.0006 0.034 ± 0.002 0.056 ± 0.002 0.038 ± 0.003 0.039 ± 0.007 0.045 ± 0.003 0.035 ± 0.002 107 Ag0.0041 ± 0.0001 0.013 ± 0.0003 0.106 ± 0.007 0.005 ± 0.001 0.005 ± 0.001 0.042 ± 0.003 2.687 ± 0.449 0.018 ± 0.001 111 Cd0.0032 ± 0.0001 0.010 ± 0.0003 0.011 ± 0.001 0.023 ± 0.002 0.036 ± 0.003 0.027 ± 0.002 0.040 ± 0.003 0.033 ± 0.003 118 Sn0.061 ± 0.002 0.203 ± 0.006 0.093 ± 0.004 0.015 ± 0.001 0.255 ± 0.013 0.121 ± 0.001 0.155 ± 0.009 0.123 ± 0.007 121 Sb0.0035 ± 0.0001 0.011 ± 0.0003 0.042 ± 0.003 0.059 ± 0.004 0.041 ± 0.031 0.122 ± 0.005 0.131 ± 0.027 0.075 ± 0.005 133 Cs0.0027 ± 0.0002 0.008 ± 0.0006 0.012 ± 0.001 0.039 ± 0.003 0.041 ± 0.002 0.035 ± 0.003 0.044 ± 0.001 0.020 ± 0.001 137 Ba0.523 ± 0.048 1.743 ± 0.159 1.318 ± 0.094 1.31 ± 0.09 2.616 ± 0.111 2.763 ± 0.547 5.953 ± 0.479 1.64 ± 0.11 139 La0.009 ± 0.001 0.029 ± 0.003 0.016 ± 0.002 0.042 ± 0.002 0.044 ± 0.002 0.036 ± 0.002 0.023 ± 0.002 0.020 ± 0.002 140 Ce0.0052 ± 0.0001 0.017 ± 0.0003 0.018 ± 0.001 0.055 ± 0.002 0.031 ± 0.002 0.045 ± 0.002 0.057 ± 0.003 0.028 ± 0.007 141 Pr0.0017 ± 0.0001 0.005 ± 0.0003 0.003 ± 0.000 0.011 ± 0.001 0.0043 ± 0.0003 0.006 ± 0.001 0.0057 ± 0.002 0.0028 ± 0.0001 146 Nd0.010 ± 0.001 0.033 ± 0.003 0.012 ± 0.001 0.033 ± 0.002 0.015 ± 0.001 0.032 ± 0.013 0.024 ± 0.002 0.014 ± 0.001 147 Sm0.0025 ± 0.0001 0.008 ± 0.0003 <MQL 0.008 ± 0.001 0.008 ± 0.001 0.014 ± 0.001 0.0032 ± 0.0002 0.0053 ± 0.0003 153 Eu0.0028 ± 0.0002 0.009 ± 0.0006 0.003 ± 0.001 0.004 ± 0.001 0.006 ± 0.001 0.007 ± 0.498 0.014 ± 0.001 0.0038 ± 0.0001 157 Gd0.0014 ± 0.0002 0.004 ± 0.0006 0.003 ± 0.001 0.011 ± 0.001 0.006 ± 0.001 0.013 ± 0.001 0.015 ± 0.001 0.0038 ± 0.0002 182 W0.0011 ± 0.0001 0.003 ± 0.006 0.003 ± 0.001 0.002 ± 0.001 0.023 ± 0.002 0.014 ± 0.001 0.368 ± 0.007 0.012 ± 0.001 202 Hg0.0005 ± 0.0000 0.001 ± 0.0001 0.003 ± 0.001 0.0011 ± 0.0001 0.005 ± 0.001 0.0058 ± 0.0003 0.0045 ± 0.003 0.0072 ± 0.0001 208 Pb0.014 ± 0.001 0.046 ± 0.003 0.023 ± 0.002 0.0010 ± 0.0001 0.301 ± 0.002 0.489 ± 0.009 0.354 ± 0.002 0.512 ± 0.034
MQL, method quantification limit.