Research Article

Total Arsenic, Cadmium, and Lead Determination in Brazilian Rice Samples Using ICP-MS

Table 5

Concentrations of total arsenic, cadmium, and lead in the analyzed rice samples (average values, ).

Rice typeAsCdPb
mg kg−1

Parboiled0.061 ± 0.008<0.040<0.030
Parboiled0.080 ± 0.008<0.0400.127 ± 0.027
Polished0.074 ± 0.008<0.040<0.030
Polished0.062 ± 0.008<0.040<0.030
Polished0.232 ± 0.0070.042 ± 0.008<0.030
Polished0.147 ± 0.008<0.040<0.030
Polished0.135 ± 0.008<0.040<0.064
Polished0.128 ± 0.008<0.012<0.030
Polished0.156 ± 0.008<0.040<0.030
Polished0.181 ± 0.008<0.012<0.030
Polished0.133 ± 0.008<0.012<0.030
Polished0.172 ± 0.008<0.012<0.030
Polished0.109 ± 0.008<0.012<0.030
Polished0.211 ± 0.007<0.040<0.030
Polished0.178 ± 0.008<0.0400.087 ± 0.028
Polished0.125 ± 0.008<0.012<0.064
Polished0.108 ± 0.008<0.0120.115 ± 0.027
Polished0.062 ± 0.008<0.040<0.064
Polished0.157 ± 0.008<0.040<0.064
Polished0.155 ± 0.008<0.012<0.064
Polished0.167 ± 0.008<0.040<0.064
Polished0.116 ± 0.008<0.012<0.064
Polished0.119 ± 0.008<0.012<0.064
Polished0.113 ± 0.008<0.012<0.064
Polished0.166 ± 0.008<0.012<0.030
Polished0.131 ± 0.008<0.012<0.064
Polished0.245 ± 0.007<0.012<0.030
Polished<0.038<0.012<0.030
Polished<0.038<0.040<0.064
Brown0.165 ± 0.008<0.040<0.064
Brown0.160 ± 0.008<0.0400.104 ± 0.027
Brown0.660 ± 0.007<0.040<0.064
Brown0.175 ± 0.008<0.040<0.064
Brown0.166 ± 0.008<0.0400.065 ± 0.028
Brown0.190 ± 0.007<0.0120.124 ± 0.027
Brown0.180 ± 0.008<0.0400.123 ± 0.027
Brown0.101 ± 0.008<0.012<0.064

LOD, LOQ.
: expanded uncertainty, coverage factor , for a confidence level of 95.45%.