廊坊物探所制备的土壤标准物质是在全国主要代表性土壤带及不同地质背景或矿化区采集的样品,土壤样品GBW07401采自黑龙江西林铅锌矿区的暗棕壤,07402内蒙四子王旗和白云鄂博栗钙土,07403山东掖县焦家黄棕壤,07404广西宜山石灰岩风化土,07405湖南七宝山矽卡岩铜多金属矿区黄红壤,07406广东阳春多金属矿区黄色红壤,07407广东徐闻玄武岩砖红壤,07408陕西洛川黄土。样品经晾干,过1mm筛,堆锥混合处理,120℃烘24h去负水、灭活,用高铝瓷球磨机磨至-0.074mm(占比99%以上)
【保存条件】样品以密封完好的玻璃瓶包装,70g每瓶,用后盖紧密封保存于阴凉干燥处。.
【使用注意事项】最小取样量200mg
【特征形态】固态
【基体】土壤
【主要分析方法】火焰原子吸收法、容量法、比色法等多种方法
组分 | 标准值 | 标准偏差 | 单位 |
Ag | 0.35 | 0.07 | (10-2) |
Al2O3 | 14.18 | 0.21 | (10-6) |
As | 34 | 5 | (10-2) |
B | 50 | 4 | (10-2) |
Ba | 590 | 50 | (10-2) |
Au | (0.55) | (10-6) | |
Be | 2.5 | 0.4 | (10-2) |
Bi | 1.2 | 0.2 | (10-2) |
Br | 2.9 | 0.5 | (10-2) |
Cd | 4.3 | 0.6 | (10-2) |
CaO | 1.72 | 0.08 | (10-2) |
Ce | 70 | 5 | (10-2) |
Cl | 66 | 15 | (10-2) |
Co | 14.2 | 1.5 | (10-2) |
Cr | 62 | 6 | (10-6) |
CO2 | 1.12 | 0.10 | (10-2) |
Cs | 9 | 0.9 | (10-6) |
Cu | 21 | 2 | (10-6) |
Dy | 4.6 | 0.3 | (10-6) |
Er | 2.6 | 0.2 | (10-6) |
Eu | 1 | 0.1 | (10-6) |
F | 506 | 49 | (10-6) |
Ga | 19.3 | 1.7 | (10-6) |
Gd | 4.6 | 0.3 | (10-6) |
FeO | (1.27) | (10-2) | |
Ge | 1.34 | 0.21 | (10-6) |
Hf | 6.8 | 0.9 | (10-6) |
Hg | 32 | 6 | (10-6) |
H2O+ | (5.0) | (10-2) | |
Ho | 0.87 | 0.08 | (10-6) |
I | 1.9 | 0.4 | (10-6) |
In | 0.08 | 0.02 | (10-6) |
La | 34 | 3 | (10-6) |
Li | 35 | 2 | (10-6) |
Lu | 0.41 | 0.06 | (10-6) |
K2O | 2.59 | 0.06 | (10-2) |
Mn | 1760 | 98 | (10-6) |
Mo | 1.4 | 0.2 | (10-6) |
L.O.I. | (8.59) | (10-2) | |
Na2O | 1.66 | 0.05 | (10-2) |
Nb | 16.6 | 2.2 | (10-6) |
Nd | 28 | 3 | (10-6) |
MgO | 1.81 | 0.12 | (10-2) |
Ni | 20.4 | 2.7 | (10-6) |
P | 735 | 43 | (10-6) |
Pb | 98 | 8 | (10-6) |
N | 0.187 | 0.0054 | (10-2) |
Pr | 7.5 | 0.5 | (10-6) |
Rb | 140 | 8 | (10-6) |
Sc | 11.2 | 0.9 | (10-6) |
Se | 0.14 | 0.04 | (10-6) |
Org.C | 1.8 | 0.13 | (10-2) |
Sm | 5.2 | 0.4 | (10-6) |
Sn | 6.1 | 1.0 | (10-6) |
Sr | 155 | 10 | (10-6) |
Ta | 1.4 | 0.2 | (10-6) |
S | (0.031*) | (10-6) | |
Tb | 0.75 | 0.09 | (10-6) |
Sb | 0.97 | 0.32 | (10-6) |
Te | (0.047) | (10-6) | |
Th | 11.6 | 1.1 | (10-6) |
SiO2 | 62.6 | 0.22 | (10-2) |
Ti | 0.483 | 0.025 | (10-2) |
Tm | 0.42 | 0.07 | (10-6) |
U | 3.3 | 0.6 | (10-6) |
V | 86 | 6 | (10-6) |
W | 3.1 | 0.4 | (10-6) |
Y | 25 | 4 | (10-6) |
Yb | 2.7 | 0.4 | (10-6) |
TFe2O3 | 5.19 | 0.13 | (10-2) |
Zn | 680 | 39 | (10-6) |
Zr | 245 | 18 | (10-6) |
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