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详细介绍
在代表性的产地选取原料，经选材、清洗、晾干，粮食等于60℃烘干，用高铝瓷球磨机或制粉机粉碎，蔬菜、鸡肉、苹果经冷冻干燥用球磨机粉碎，过80目筛（油脂性样过60目筛），筛上样混匀后分装，双层复合膜作外包装，鸡肉、奶粉、黄豆在-10℃下保存，其余样品在空调间内避光保存。
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元素
|
GBW10012
(GSB-3 玉米)
|
|
Al (10-2)
|
0.032±0.003
|
|
As (10-6)
|
0.028±0.006
|
|
B (10-6)
|
0.86±0.11
|
|
Ba (10-6)
|
0.45±0.16
|
|
Be (10-9)
|
1.7±0.4
|
|
Bi (10-9)
|
2.8±0.9
|
|
Br (10-6)
|
0.46±0.09
|
|
Ca (10-2)
|
0.0055±0.0008
|
|
Cd (10-9)
|
4.1±1.6
|
|
Ce (10-6)
|
0.12±0.02
|
|
Cl (10-2)
|
0.050±0.006
|
|
Co (10-6)
|
(0.012)
|
|
Cr (10-6)
|
(0.11)
|
|
Cs (10-6)
|
0.010±0.004
|
|
Cu (10-6)
|
0.66±0.08
|
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Dy (10-9)
|
3.2±0.8
|
|
Er (10-9)
|
1.7±0.4
|
|
Eu (10-9)
|
(0.6)
|
|
Fe (10-6)
|
13.3±1.5
|
|
Gd (10-9)
|
4.3±0.9
|
|
Ge (10-9)
|
(1)
|
|
Hf (10-6)
|
|
|
Hg (10-9)
|
（1.6）
|
|
Ho (10-9)
|
0.66±0.15
|
|
I (10-6)
|
（0.06）
|
|
K (10-2)
|
0.129±0.007
|
|
La (10-6)
|
0.057±0.006
|
|
Li (10-6)
|
0.038±0.006
|
|
Lu (10-9)
|
(0.21)
|
|
Mg (10-2)
|
0.018±0.002
|
|
Mn (10-6)
|
1.55±0.08
|
|
Mo (10-6)
|
0.045±0.009
|
|
N (10-2)
|
1.40±0.07
|
|
Na (10-6)
|
(10)
|
|
Nb (10-6)
|
(0.009)
|
|
Nd (10-6)
|
0.022±0.004
|
|
Ni (10-6)
|
0.097±0.014
|
|
P (10-2)
|
0.061±0.003
|
|
Pb (10-6)
|
0.07±0.02
|
|
Pr (10-9)
|
7±1
|
|
Rb (10-6)
|
2.1±0.2
|
|
S (10-2)
|
0.123±0.016
|
|
Sb (10-6)
|
(0.008)
|
|
Sc (10-9)
|
3.5±0.9
|
|
Se (10-6)
|
0.021±0.008
|
|
Si (10-2)
|
0.008±0.001
|
|
Sm (10-9)
|
3.2±0.5
|
|
Sr (10-6)
|
0.19±0.05
|
|
Tb (10-9)
|
0.73±0.24
|
|
Th (10-9)
|
4.6±1.5
|
|
Ti (10-6)
|
1.6±0.5
|
|
Tl (10-9)
|
（0.4）
|
|
Tm (10-9)
|
(0.27)
|
|
U (10-9)
|
(2.3)
|
|
V (10-6)
|
0.30±0.11
|
|
Y (10-6)
|
0.021±0.004
|
|
Yb (10-9)
|
1.6±0.2
|
|
Zn (10-6)
|
2.9±0.3
|
|
灰分(%)
|
(0.5)
|
