GBW07409-土壤成分分析标准物质
【使用注意事项】使用时以105℃烘干2小时以后的重量为准,测定汞、砷易挥发元素时,不干燥,测定后扣除失水重量。最小取样量0.5g。
【特征形态】固态
【基体】土壤
【主要分析方法】X-射线荧光光谱法、重量法、比色法等多种方法
组分 | 标准值 | 标准偏差 | 单位 |
Ag | 0.067 | 0.014 | (10-2) |
As | 2.9 | 0.2 | (10-2) |
B | 13.8 | 1.5 | (10-2) |
Ba | 693 | 36 | (10-2) |
Be | 2.1 | 0.3 | (10-2) |
Bi | 0.1 | 0.01 | (10-2) |
Br | (1.2) | (10-2) | |
CaO* | 1.35 | 0.06 | (10-2) |
Co | 4.9 | 1.0 | (10-2) |
Cd | 0.068 | 0.023 | (10-2) |
Ce | 58.9 | 2.0 | (10-2) |
Cl | (57.4) | (10-2) | |
Cr | 26.4 | 2.1 | (10-6) |
Cs | 3.3 | 0.4 | (10-6) |
Cu | 4.9 | 1.3 | (10-6) |
Dy | 3.2 | 0.3 | (10-6) |
Dy | 3.2 | 0.3 | (10-6) |
Eu | 0.97 | 0.10 | (10-6) |
Er | (1.8) | (10-6) | |
F | 215 | 29 | (10-6) |
Fe2O3* | 2.08 | 0.10 | (10-6) |
Ga | 14.6 | 2.4 | (10-6) |
Gd | 3.9 | 0.4 | (10-6) |
Ge | 1.2 | 0.2 | (10-6) |
Hg | 0.015 | 0.006 | (10-6) |
Ho | (0.66) | (10-6) | |
Hg | 0.015 | 0.006 | (10-6) |
I | (0.44) | (10-6) | |
In | (0.032) | (10-6) | |
K2O* | 3.37 | 0.10 | (10-6) |
La | 31.3 | 3.4 | (10-6) |
Li | 14.3 | 1.0 | (10-6) |
Lu | 0.27 | 0.05 | (10-6) |
MgO* | 0.49 | 0.04 | (10-6) |
Mn | 262 | 30 | (10-6) |
Mo | 0.43 | 0.07 | (10-6) |
N* | (0.052) | (10-6) | |
Na2O* | 3.31 | 0.17 | (10-6) |
Nb | 13 | 1.2 | (10-6) |
Nd | 26 | 2.1 | (10-6) |
Ni | 9.3 | 1.0 | (10-6) |
P | 318 | 21 | (10-6) |
Pb | 16.3 | 2.4 | (10-6) |
Pr | (7.1) | (10-6) | |
Rb | 97.4 | 3.5 | (10-6) |
S | (97.0) | (10-6) | |
Sb | 0.21 | 0.03 | (10-6) |
Sc | 4.8 | 0.1 | (10-6) |
Se | (0.044) | (10-6) | |
SiO2* | 73.28 | 0.21 | (10-2) |
Sm | 4.9 | 0.4 | (10-6) |
Sn | 1.4 | 0.6 | (10-6) |
Sr | 270 | 16 | (10-6) |
Tb | 0.55 | 0.08 | (10-6) |
Te | (0.024) | (10-6) | |
Th | 8.4 | 0.9 | (10-6) |
Ti* | 0.25 | 0.02 | (10-2) |
Tm | 0.28 | 0.05 | (10-6) |
U | 1.6 | 0.3 | (10-6) |
V | 34.7 | 5.4 | (10-6) |
W | 0.98 | 0.28 | (10-6) |
Y | 16.9 | 1.3 | (10-6) |
Yb | 1.8 | 0.1 | (10-6) |
Zn | 34.2 | 3.2 | (10-6) |
Zr | 300 | 27 | (10-6) |
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