GBW08513-茶树叶成分分析标准物质
【保存条件】 干燥阴凉（或空调）洁净室里
【使用注意事项】最小取样量为250毫克，使用前样品在85℃烘干4小时
【特征形态】固态
【基体】茶树叶
【主要分析方法】原子吸收法，中子活化法，等离子体发射光谱法
| 组分 | 标准值 | 标准偏差 | 单位 |
| As | 0.180 | 0.049 | (10-6) |
| Ba | 120 | 10 | (10-6) |
| Ca | 0.800 | 0.066 | (10-2) |
| Cd | 0.023 | 0.004 | (10-6) |
| Ce | 1.58 | 0.18 | (10-6) |
| Cu | 8.96 | 0.59 | (10-6) |
| Fe | 347 | 12 | (10-6) |
| K | 0.863 | 0.063 | (10-2) |
| La | 1.12 | 0.10 | (10-6) |
| Mg | 0.276 | 0.025 | (10-2) |
| Mn | 0.217 | 0.011 | (10-2) |
| N | 2.89 | 0.13 | (10-2) |
| Na | 139 | 19 | (10-6) |
| Ni | 5.09 | 0.76 | (10-6) |
| P | 0.148 | 0.008 | (10-2) |
| Pb | 1.00 | 0.05 | (10-6) |
| RB | 16.2 | 0.7 | (10-6) |
| S | 0.222 | 0.025 | (10-2) |
| Sb | 0.036 | 0.006 | (10-6) |
| Se | 0.040 | 0.007 | (10-6) |
| Sr | 52.4 | 5.6 | (10-6) |
| Th | 0.104 | 0.014 | (10-6) |
| Zn | 22.6 | 1.5 | (10-6) |
| Br | (2) | (10-6) | |
| Co | (0.18) | (10-6) | |
| Cs | (0.1) | (10-6) | |
| Cr | (2) | (10-6) | |
| Hg | (0.017) | (10-6) | |
| Sc | (0.18) | (10-6) | |
| Sm | (0.18) | (10-6) | |
| Ti | (37) | (10-6) |
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