|
【保存條件】干燥陰涼（或空調(diào)）潔凈室里
【使用注意事項(xiàng)】使用前樣品在85℃烘干4小時(shí)，最小取樣量為250毫克
【特征形態(tài)】固態(tài)
【基體】茶葉
【主要分析方法】原子吸收光譜法、儀器中子活化分析法、極譜法等多種分析方法
| 組分 |
標(biāo)準(zhǔn)值 |
標(biāo)準(zhǔn)偏差 |
單位 |
| As |
0.191 |
0.027 |
(10-6) |
| Ba |
15.7 |
1.9 |
(10-6) |
| Cd |
0.032 |
0.005 |
(10-6) |
| Ce |
0.686 |
0.092 |
(10-6) |
| Cu |
16.2 |
1.9 |
(10-6) |
| Fe |
373 |
23 |
(10-6) |
| La |
0.458 |
0.020 |
(10-6) |
| Mn |
766 |
28 |
(10-6) |
| Na |
142 |
13 |
(10-6) |
| Ni |
7.61 |
0.48 |
(10-6) |
| Pb |
1.06 |
0.10 |
(10-6) |
| Rb |
36.9 |
1.3 |
(10-6) |
| Sb |
0.037 |
0.003 |
(10-6) |
| Se |
0.041 |
0.010 |
(10-6) |
| Sr |
10.8 |
1.8 |
(10-6) |
| Th |
0.105 |
0.012 |
(10-6) |
| Zn |
38.7 |
3.9 |
(10-6) |
| Ca* |
0.284 |
0.021 |
(10-6) |
| Mg* |
0.224 |
0.019 |
(10-6) |
| K* |
1.97 |
0.13 |
(10-6) |
| N* |
4.88 |
0.14 |
(10-6) |
| P* |
0.426 |
0.023 |
(10-6) |
| S* |
0.315 |
0.008 |
(10-6) |
| Br |
(2) |
|
(10-6) |
| Co |
(0.2) |
|
(10-6) |
| Cr |
(0.8) |
|
(10-6) |
| Cs |
(0.13) |
|
(10-6) |
| Sc |
(0.1) |
|
(10-6) |
| Hg |
(0.004) |
|
(10-6) |
| Sm |
(0.06) |
|
(10-6) |
| Ti |
(36) |
|
(10-6) |
|
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