我国新疆北部积雪中痕量元素的时空分布及污染评估
王鑫,王宁练,王俊杰,申保收

Spatial and temporal distribution of trace elements in the snow cover and pollution assessment in northern Xinjiang
Xin WANG,Ninglian WANG,Junjie WANG,Baoshou SHEN
表1 参考物质SLRS-5中痕量元素的测试值与参考值比较
Table 1 Comparison of test and reference values of trace elements in reference material SLRS-5
元素名称

检测限

/(pg·g-1

测试值/(ng·g-1参考值/(ng·g-1
Al27053.25±2.6749.5±5.0
Fe22094.22±4.7191.2±5.8
Mn0.624.55±0.234.33±0.2
Sr0.1447.04±2.3553.6±1.3
Li0.560.38±0.02-
Be0.0010.0040.005
Cr1.940.22±0.010.208±0.023
Co0.220.050.05
Ni1.050.49±0.020.476±0.064
Cu0.1414.72±0.7417.4±1.3
Zn5.570.77±0.040.845±0.095
Ga0.080.01-
As0.330.37±0.020.413±0.039
Cd0.250.010.006
Ba0.3312.9±0.6514±0.5
Pb0.210.090.081