宁夏南部山区葫芦河流域土壤地球化学特征及影响因素分析
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李永春, 苏日力格, 周文辉, 邰苏日嘎拉, 陈国栋, 王永亮, 高琪, 张祥, 张栋
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Geochemical characteristics and influencing factors of soil in Hulu River Basin in the southern mountainous region of Ningxia
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LI Yong-Chun, SU Ri-Li-Ge, ZHOU Wen-Hui, TAI Su-Ri-Ga-La, CHEN Guo-Dong, WANG Yong-Liang, GAO Qi, ZHANG Xiang, ZHANG Dong
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表1 各项指标的分析方法及检出限
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Table 1 The analysis method and detection limit of target elements
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| 检测指标 | 分析方法 | 规范要求
最低检出限 | 方法检出限 | | 检测指标 | 分析方法 | 规范要求
最低检出限 | 方法检出限 | | SiO2 | XRF | 0.1 | 0.06 | | Cu | ICP-MS | 1 | 0.5 | | Al2O3 | XRF | 0.05 | 0.04 | | F | ISE | 100 | 30 | | TFe2O3 | ICP-OES | 0.05 | 0.04 | | Ge | ICP-MS | 0.1 | 0.05 | | MgO | ICP-OES | 0.05 | 0.04 | | Hg | AFS | 0.0005 | 0.0003 | | CaO | ICP-OES | 0.05 | 0.04 | | I | ICP-MS | 0.5 | 0.1 | | Na2O | ICP-OES | 0.1 | 0.05 | | Mn | ICP-OES | 10 | 5 | | K2O | ICP-OES | 0.05 | 0.04 | | Mo | ICP-MS | 0.3 | 0.1 | | Corg. | HFIR | 0.1 | 0.1 | | N | VOL | 20 | 10 | | pH | ISE | 0.1 | 0.1 | | Ni | ICP-OES | 2 | 1 | | As | AFS | 1 | 0.5 | | P | ICP-OES | 10 | 5 | | B | ICP-MS | 1 | 0.4 | | Pb | ICP-MS | 2 | 1 | | Cd | ICP-MS | 0.03 | 0.02 | | S | ICP-OES | 30 | 10 | | Cl | XRF | 20 | 20 | | Se | AFS | 0.01 | 0.005 | | Co | ICP-MS | 1 | 0.5 | | V | ICP-OES | 5 | 1 | | Cr | ICP-OES | 5 | 3 | | Zn | ICP-OES | 4 | 1 |
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