【保存條件】密封保存在陰涼干燥處。
【使用注意事項】最小取樣量為0.1克。
【特征形態】固態
【基體】湖積物
【主要分析方法】原子熒光法、容量法、重量法等多種方法
【制備方法】樣品系在我國各主要覆蓋區的適中部位采集的耕作層土壤樣組合而成,經晾干、過 1mm 篩去雜物,
110℃烘 24h 去負水、滅活,用高鋁瓷球磨機研磨至-0.074mm 占 99%以上。每種樣品制備重量約 400kg。
組分 | 標準值 | 標準偏差 | 單位 |
Ag | 0.075 | 0.017 | (10-6) |
As | 8.4 | 1.0 | (10-6) |
B | 52 | 4 | (10-6) |
Ba | 520 | 40 | (10-6) |
Be | 2.1 | 0.1 | (10-6) |
Bi | 0.27 | 0.08 | (10-6) |
Cd | (0.10) | (10-6) | |
Ce | 74 | 4 | (10-6) |
Cl | (40) | (10-6) | |
Co | 14 | 3 | (10-6) |
Cr | 75 | 4 | (10-6) |
Cs | 8.1 | 0.8 | (10-6) |
Cu | 26 | 4 | (10-6) |
Dy | 4.7 | 0.4 | (10-6) |
Er | 2.8 | 0.3 | (10-6) |
Eu | 1.27 | 0.11 | (10-6) |
F | 500 | 40 | (10-6) |
Ga | 16.3 | 1.6 | (10-6) |
Gd | 5.4 | 0.6 | (10-6) |
Ge | 1.3 | 0.1 | (10-6) |
Hf | 6.6 | 0.8 | (10-6) |
Hg | 0.030 | 0.004 | (10-6) |
Ho | 1.03 | 0.07 | (10-6) |
In | (0.12) | (10-6) | |
La | 38 | 3 | (10-6) |
Li | 39 | 3 | (10-6) |
Lu | 0.41 | 0.03 | (10-6) |
Mn | 520 | 30 | (10-6) |
Mo | 0.45 | 0.15 | (10-6) |
Nb | 14.4 | 1.7 | (10-6) |
I | 2.8 | 0.4 | |
Nd | 32 | 3 | (10-6) |
Ni | 33 | 3 | (10-6) |
P | 490 | 40 | (10-6) |
Pb | 25 | 5 | (10-6) |
Pr | 8.5 | 0.7 | (10-6) |
Rb | 102 | 8 | (10-6) |
S | 240 | 30 | (10-6) |
Sb | 0.9 | 0.2 | (10-6) |
Sc | 12 | 2 | (10-6) |
Se | 0.14 | 0.02 | (10-6) |
Sm | 6.2 | 0.5 | (10-6) |
Sn | 3.4 | 0.7 | (10-6) |
Sr | 165 | 13 | (10-6) |
Ta | 1.1 | 0.2 | (10-6) |
Tb | 0.86 | 0.12 | (10-6) |
Th | 12.8 | 1.3 | (10-6) |
Ti | 424×10 | 24×10 | (10-6) |
Tl | (0.6) | (10-6) | |
Tm | 0.42 | 0.06 | (10-6) |
U | 2.1 | 0.5 | (10-6) |
V | 90 | 10 | (10-6) |
W | 2.0 | 0.2 | (10-6) |
Y | 25 | 2 | (10-6) |
Yb | 2.6 | 0.4 | (10-6) |
Zn | 61 | 6 | (10-6) |
Zr | 234 | 7 | (10-6) |
SiO2* | 61.7 | 0.3 | (10-6) |
Al203* | 13.3 | 0.1 | (10-6) |
TFe2O3* | 4.8 | 0.1 | (10-6) |
FeO* | (1.4) | (10-6) | |
MgO* | 1.52 | 0.13 | (10-6) |
CaO* | 5.0 | 0.1 | (10-6) |
Na2O* | 1.28 | 0.04 | (10-6) |
K2O* | 1.98 | 0.04 | (10-6) |
H2O+* | (4.7) | (10-6) | |
CO2* | 2.9 | 0.2 | (10-6) |
L.O.l.* | (9.5) | (10-6) |
GBW07301a—水系沉積