青藏高原典型山地冰川中痕量元素的空间分布和来源分析
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李若晨,申保收,武小波,杨方社,郭忠明
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Spatial distribution and source analysis of trace elements in typical mountain glaciers on the Qinghai-Tibet Plateau
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Ruochen LI,Baoshou SHEN,Xiaobo WU,Fangshe YANG,Zhongming GUO
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表2 各元素检出限及SLRS-5测量值与参考值
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Table 2 Element detection limit, standard value and measured value of SLRS-5
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元素 | 检出限/(ng·g-1) | SLRS-5 |
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参考值/(ng·g-1) | 测量值/(ng·g-1) | 相对标准偏差/% |
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Al | 0.0663 | 49.5±5.0 | 48.792±0.893 | 1.83 | As | 0.0023 | 0.413±0.039 | 0.435±0.012 | 2.83 | Ba | 0.0022 | 14.0±0.5 | 14.091±0.385 | 2.73 | Co | 0.0018 | 0.05 | 0.062±0.001 | 1.85 | Cr | 0.1485 | 0.208 | 0.227±0.005 | 2.30 | Cu | 0.0092 | 17.4±1.3 | 17.108±0.292 | 1.71 | Fe | 2.6869 | 91.2±5.8 | 115.38±2.093 | 1.81 | Li | 0.0015 | — | — | — | Mn | 0.0085 | 4.33±0.18 | 4.089±0.077 | 1.88 | Mo | 0.0013 | 0.5 | 0.236±0.007 | 3.13 | Pb | 0.0014 | 0.081±0.006 | 0.111±0.003 | 2.52 | Sr | 0.0005 | 53.6±1.3 | 51.268±1.238 | 2.42 | Tl | 0.0000 | — | — | — | Zn | 0.0697 | 0.845±0.095 | 0.986±0.316 | 3.21 | Cd | 0.0006 | 0.0060±0.0014 | 0.0092±0.0008 | 8.60 |
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