|
【保存条件】干燥、阴凉处。
【使用注意事项】用后闭紧瓶盖放入干燥器内于阴凉处保存。最小取样量为0.5克。
【特征形态】固态
【基体】茶叶
【主要分析方法】X-射线荧光法、比色法、称量法等多种方法
| 组分 |
标准值 |
标准偏差 |
单位 |
| As |
0.28 |
0.04 |
(10-6) |
| Ba |
58 |
6 |
(10-6) |
| Cd |
0.057 |
0.010 |
(10-6) |
| Ce |
1.0 |
0.2 |
(10-6) |
| Cu |
17.3 |
1.8 |
(10-6) |
| Fe |
264 |
15 |
(10-6) |
| La |
0.60 |
0.04 |
(10-6) |
| Mn |
1240 |
70 |
(10-6) |
| Na |
44 |
6 |
(10-6) |
| Ni |
4.6 |
0.5 |
(10-6) |
| Pb |
4.4 |
0.3 |
(10-6) |
| Rb |
74 |
5 |
(10-6) |
| Sb |
0.056 |
0.006 |
(10-6) |
| Se |
(0.072) |
|
(10-6) |
| Sr |
15.2 |
0.7 |
(10-6) |
| Th |
0.061 |
0.009 |
(10-6) |
| Zn |
26.3 |
2.0 |
(10-6) |
| Ca* |
0.43 |
0.04 |
(10-6) |
| Mg* |
0.17 |
0.02 |
(10-6) |
| K* |
1.66 |
0.12 |
(10-6) |
| N* |
3.32 |
0.09 |
(10-6) |
| S* |
0.245 |
0.022 |
(10-6) |
| Br |
3.4 |
0.5 |
(10-6) |
| Co |
0.18 |
0.02 |
(10-6) |
| Cr |
0.80 |
0.03 |
(10-6) |
| Cs |
0.29 |
0.02 |
(10-6) |
| Sc |
0.085 |
0.013 |
(10-6) |
| Hg |
(0.013) |
|
(10-6) |
| Sm |
0.085 |
0.023 |
(10-6) |
| Ti |
24 |
4 |
(10-6) |
|
企业QQ
