生物成分分析標(biāo)準(zhǔn)物質(zhì) 大米
生物標(biāo)準(zhǔn)物質(zhì)
- 品牌： 國標(biāo)
- 型號(hào)： GBW10010 (GSB-1) 35克/瓶
- 其他型號(hào)：
保存條件：空調(diào)間內(nèi)避光保存。
使用注意事項(xiàng)：用后應(yīng)立即蓋緊、用不透光的復(fù)合塑料袋密封包裝后處于燥器中于陰涼干燥處避光保存，保存室溫應(yīng)<26?C。如發(fā)現(xiàn)霉變應(yīng)停止使用。有效使用期為1年。最小取樣量為0.2克。
特征形態(tài)：固態(tài)
基體：大米
主要分析方法：ICP-MS、ICP-AES、INAA
| 組分 | 標(biāo)準(zhǔn)值 | 標(biāo)準(zhǔn)偏差 | 單位 |
| Al | 0.039 | 0.004 | (10-2) |
| As | 0.102 | 0.008 | (10-6) |
| B | 0.92 | 0.14 | (10-6) |
| Ba | 0.40 | 0.09 | (10-6) |
| Be | 1.8 | 0.4 | (10-9) |
| Bi | (2.0) | (10-9) | |
| Br | 0.56 | 0.13 | (10-6) |
| Ca | 0.011 | 0.001 | (10-2) |
| Cd | 87 | 5 | (10-9) |
| Ce | 0.011 | 0.002 | (10-6) |
| Cl | 0.040 | 0.004 | (10-2) |
| Co | (0.010) | (10-6) | |
| Cr | (0.09) | (10-6) | |
| Cs | 0.014 | 0.005 | (10-6) |
| Cu | 4.9 | 0.3 | (10-6) |
| Dy | (0.8) | (10-9) | |
| Er | (0.32) | (10-9) | |
| Eu | (0.3) | (10-9) | |
| Fe | 7.6 | 1.9 | (10-6) |
| Gd | (0.75) | (10-9) | |
| Ge | (5) | (10-9) | |
| Hf | (0.12) | (10-6) | |
| Hg | 5.3 | 0.5 | (10-9) |
| Ho | (0.12) | (10-9) | |
| I | (0.09) | (10-6) | |
| K | 0.138 | 0.007 | (10-2) |
| La | 0.008 | 0.003 | (10-6) |
| Li | 0.044 | 0.007 | (10-6) |
| Lu | (0.04) | (10-9) | |
| Mg | 0.041 | 0.006 | (10-2) |
| Mn | 17 | 1 | (10-6) |
| Mo | 0.53 | 0.05 | (10-6) |
| N | 1.61 | 0.04 | (10-2) |
| Na | 0.0025 | 0.0008 | (10-2) |
| Nd | (0.004) | (10-6) | |
| Ni | 0.27 | 0.02 | (10-6) |
| P | 0.136 | 0.006 | (10-2) |
| Pb | 0.08 | 0.03 | (10-6) |
| Pr | 1.1 | 0.3 | (10-9) |
| Rb | 3.9 | 0.3 | (10-6) |
| S | 0.147 | 0.024 | (10-2) |
| Sb | (0.004) | (10-6) | |
| Sc | (2.5) | (10-9) | |
| Se | 0.061 | 0.015 | (10-6) |
| Si | 0.025 | 0.003 | (10-2) |
| Sm | (0.9) | (10-9) | |
| Sr | 0.30 | 0.05 | (10-6) |
| Tb | (0.10) | (10-9) | |
| Th | (4) | (10-9) | |
| Ti | (2) | (10-6) | |
| Tl | (0.7) | (10-9) | |
| Tm | (0.05) | (10-9) | |
| U | (1.2) | (10-9) | |
| V | (0.03) | (10-6) | |
| Y | 0.052 | 0.009 | (10-6) |
| Yb | (0.3) | (10-9) | |
| Zn | 23 | 2 | (10-6) |
| 灰分 | (0.8) | (10-2) |