Preparation of Seven Certified Reference Materials for Floodplain Sediments
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摘要: 泛滥平原沉积物能代表流域内元素的平均分布规律并具有普遍的适用性，是地球化学填图工作的重要介质。目前国际上尚无泛滥平原沉积物标准物质，国外相似标准物质的研制注重于环境方面，定值成分较少；我国同类的土壤和水系沉积物标准物质受限于不同工作需要，研制目的各不相同，且多数标准物质不足。为满足需求，本文研制了长江流域、赣江流域、汉水流域、淮河流域、黄河流域、海河流域、黑龙江流域共7个泛滥平原沉积物国家一级标准物质（编号为GBW07385~GBW07391）。此系列标准物质采用X射线荧光光谱压片法测试了26种成分，主量成分的RSD小于1%，微量元素的RSD约为2%，所有成分的RSD均小于7%，方差检验的F值均小于临界值F0.05（24，25）=1.96，表明样品的均匀性良好。在23个月的考察期内，检验的24种成分未发现统计学意义的明显变化，证明样品的稳定性良好。由全国13家实验室采用不同原理的、可靠的多种分析方法共同完成了73种元素和化合物共511个特性成分的定值测试，除GBW07386和GBW07388的CO2未能赋值外，其余494个特性成分给出了认定值与不确定度，15个特性成分给出了参考值，是我国同类标准物质定值最为齐全的一个系列。该系列标准物质代表了各自流域元素的背景含量，适用于多目标地球化学调查、土地质量地球化学调查等样品的分析质量监控，亦可用作环境、农业等领域相关样品测试的量值和质量监控标准。Abstract:
BACKGROUND Floodplain sediment, which is an important sampling media for geochemical mapping, can represent the average distribution of elements in the basins and has universal applicability. At present, there is no floodplain sediment reference material in the world. The development of similar standards in foreign countries focuses on the environment, and there are fewer fixed components. The same standards for soil and river sediments in China are limited by different work needs, and the development aims are different. Most of the standard substances are insufficient. To develop 7 national first-level reference materials for floodplain sediments in the Yangtze River, Gan River, Han River, Huaihe River, Yellow River, Haihe River and Heilongjiang River (GBW07385-GBW07391). CANDIDATES CHARACTERISTICS:Sample GSS-29 is the floodplain sediment of the Yangtze River. It is grayish yellow and contains high contents of silty. GSS-30 is the floodplain sediment of the Gan River, which is sub clay with relatively fine particle size. GSS-31 is the floodplain sediment of the Han River, which is gray-black, fine-grained and contains relatively high contents of organic matter. GSS-32 is the floodplain sediment of the Huaihe River, which is grey-black, fine-grained and clay-like. GSS-33 is the floodplain sediment of the Yellow River, which is black clay with relatively fine grain size and relatively high contents of organic matter. GSS-34 is the floodplain sediment of the Haihe River, which is sub clay with a relatively fine grain size and high content of clay formed in block. GSS-35 is the floodplain sediment of the Heilongjiang River, which is black and loose, with a relatively fine grain size and high content of clay where some are formed in block. METHODS A series of reference materials was tested using X-ray Fluorescence Spectrometry to measure 26 components. The RSD of the main components was less than 1%, the RSD of minor elements was 2% and the RSD of trace components was less than 7%. The F value of the variance test was less than the list threshold F0.05(24,25)=1.96, indicating that all seven materials were homogeneous. No significant statistical changes were found in the 24 elements and compounds tested within 23 months, indicating that the stability of these materials were stable. Thirteen laboratories have participated in this inter-laboratory program, and have adopted various reliable analytical methods based on different principles to set the values. RESULTS A total of 511 characteristic components, including 73 elements and compounds, have been tested. In addition to the CO2 values of GBW07386 and GBW07388 that cannot be assigned, the remaining 494 characteristic components are given the certified value and uncertainty, and 15 characteristic components are given information value. The trace elements in GSS-29 have the mostly high background contents. The trace elements in GSS-30 have medium background values, and the contents of W, Sn and Mo are relatively high. The contents of Cd and Mo in GSS-31 are relatively high. The trace elements in GSS-32 have low background contents, and the contents of Cd, Hg, Mo, N, S and P are lower than the background level. The content of Hg in GSS-33 is very low. The trace elements in GSS-34 have the mostly medium and high background levels, and the contents of F, Cl and Br are relatively high. The organic matter content of GSS-35 is relatively high. CONCLUSIONS The seven reference materials for floodplain sediments have been certified by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China (AQSIQ) in 2017. This series of floodplain sediment certified reference materials (GBW07385-GBW07391) represents the background values of the elements of each corresponding drainage area. It can be used for monitoring the quality of geochemical sample analysis or the quality of sample analysis in other fields, such as environment and agriculture. -
Key words:
- reference material /
- floodplain sediment /
- quality monitoring
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表 1 国内外同类沉积物标准物质的研制情况
Table 1. Development of similar sediment reference materials in the world
标准物质编号
CRM No.名称
Matrix定值(参考值)指标
Component产地
Country研制年份
YearSRM1646a 河口沉积物
Estuarine sedimentAl、Ca、Fe、Mg、P、As、Cd、Co、Pb、Mn、Hg、V、Zn、K、Si、Na、S、Ti、Sb、Be、Ce、Cr、
Cu、Ga、Li、Mo、Rb、Sc、Se、Sn、Tl、Th、Ba、La、Nd、Ni、Sr、U(共38项)美国
America1995 BCR-667 河口沉积物
Estuarine sedimentCe、Dy、Er、Eu、Gd、Ho、La、Lu、Nd、Pr、Sc、Sm、Tb、Tm、Yb、Th、U、Br、Cd、Co、Cr、
Cs、Cu、Fe、Mn、Ni、Pb、Sb、Se、Ta、Zn(共31项)比利时
Belgium1999 BCR-277R 河口沉积物
Estuarine sedimentAs、Cd、Co、Cr、Cu、Hg、Ni、Zn、Se、Sn(共10项) 比利时
Belgium2006 LGC6187 河流沉积物
River sedimentAs、Cd、Cr、Cu、Fe、Pb、Mn、Hg、Ni、Se、Sn、V、Zn(共13项) 英国
England2000 LGC6189 河流沉积物
River sedimentAs、Cd、Cr、Cu、Mn、Mo、Ni、Pb、Zn、Ba、Se(共11项) 英国
England2005 ERM-CC020 河流沉积物
River sedimentAs、Cd、Cr、Co、Cu、Pb、Hg、Ni、V、Zn、Si、Al、Ca、Fe、K、Mg(共16项) 德国
Germany2012 
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表 2 均匀性检验结果
Table 2. Homogeneity test results of candidates
样品编号Sample 参数Parameter As Ba Cr Cu Ga Mn Nb Ni P Pb Rb S Sr Th Ti V Y Zn Zr SiO2 Al2O3 TFe2O3 MgO CaO Na2O K2O GSS-29 X 9.6 493 79.9 36.0 19.1 747 19.5 38.7 1074 34.2 104 255 132 13.7 5280 103.1 28.9 99.2 235 62.32 12.86 5.46 2.11 2.97 1.19 2.23 RSD(%) 3.68 1.78 1.20 2.63 2.39 0.51 2.24 1.96 0.89 2.79 1.24 1.22 1.69 4.03 0.46 1.53 1.97 0.94 1.48 0.24 0.70 0.24 0.47 0.50 0.66 0.54 F 0.70 1.23 0.68 1.67 1.10 1.84 0.81 1.28 1.59 1.47 1.86 1.47 1.79 1.74 1.21 1.86 1.55 1.62 1.64 1.34 1.93 1.61 1.74 1.57 1.21 1.31 ubb 0.14 2.9 0.39 0.48 0.10 2.1 0.17 0.27 4.6 0.42 0.71 1.4 1.2 0.29 7.4 0.87 0.26 0.46 1.72 0.058 0.051 0.006 0.005 0.007 0.002 0.004 GSS-30 X 10.3 460 49.6 26.3 22.7 331 12.6 20.3 1087 46.6 190 238 54.0 22.9 3853 66.8 35.9 95.8 291 68.70 15.32 3.78 0.63 0.32 0.41 2.96 RSD(%) 3.98 1.43 1.78 2.49 1.77 0.56 3.73 2.55 0.48 2.07 0.62 0.59 2.59 2.32 0.52 2.17 1.15 0.72 1.23 0.24 0.42 0.18 0.77 0.62 0.74 0.34 F 1.54 0.66 0.70 1.67 1.35 1.19 0.56 1.61 1.95 1.11 0.60 1.18 1.21 1.27 0.69 1.59 1.10 1.32 0.55 1.56 1.79 1.82 1.36 0.96 0.83 1.52 ubb 0.19 2.7 0.36 0.33 0.16 0.6 0.20 0.25 3.0 0.22 0.5 0.4 0.44 0.18 8.1 0.69 0.09 0.26 1.5 0.077 0.034 0.004 0.0019 0.001 0.001 0.005 GSS-31 X 14.3 703 69.7 36.1 20.3 792 17.5 39.5 985 30.4 115 182 138 13.3 4468 117 31.3 104.5 245 60.76 14.57 5.48 2.04 1.83 1.21 2.33 RSD(%) 4.32 1.61 2.08 3.36 2.42 0.89 2.32 2.39 0.67 3.88 1.46 1.69 1.43 5.02 0.8 1.86 2.02 1.63 1.51 0.65 0.29 0.81 0.42 0.57 0.55 0.5 F 1.47 0.94 0.79 0.97 1.28 0.83 0.82 0.80 1.02 1.79 0.64 0.72 0.78 1.01 0.75 1.10 1.01 0.89 0.65 0.77 1.50 0.82 1.16 0.64 1.04 0.64 ubb 0.27 4.3 0.58 0.46 0.17 2.8 0.16 0.37 0.67 0.63 0.70 1.2 0.78 0.03 14.4 0.5 0.05 0.66 1.53 0.157 0.019 0.018 0.002 0.004 0.001 0.005 GSS-32 X 14.3 562 78.6 26.8 20.0 815 17.1 37.3 285 27.5 107 59.6 115 13.8 4526 95.6 29.0 63.3 270 66.31 14.32 5.47 1.30 1.00 1.04 1.99 RSD(%) 3.06 1.31 1.43 2.29 2.13 0.48 2.8 2.02 1.94 3.13 0.87 1.77 0.93 3.32 0.47 1.74 1.39 1.15 1.18 0.43 0.42 0.26 0.75 0.57 0.59 0.48 F 1.39 0.80 1.48 1.58 1.02 0.88 0.78 1.15 1.72 1.01 1.92 1.25 1.61 0.72 1.41 1.34 1.26 1.00 1.68 1.44 1.49 1.34 1.81 0.89 1.64 1.61 ubb 0.18 2.9 0.49 0.29 0.05 1.5 0.19 0.20 2.8 0.06 0.5 0.35 0.5 0.18 8.8 0.63 0.14 0.27 1.61 0.122 0.027 0.005 0.005 0.002 0.003 0.005 GSS-33 X 13.5 486 66.0 25.5 17.4 644 14.4 32.5 644 23.8 97.9 275 200 12.6 3625 81.4 27.3 70.5 219.5 56.70 12.34 4.61 2.40 6.49 1.42 2.31 RSD(%) 3.17 1.33 2.11 2.57 2.96 0.51 2.74 2.22 0.55 3.82 0.81 0.85 0.81 4.15 0.54 1.7 1.39 0.92 0.92 0.27 0.35 0.35 0.6 0.59 0.44 0.41 F 0.68 1.08 0.30 1.86 1.36 1.21 0.62 0.97 1.76 1.19 1.39 1.77 1.86 0.85 1.85 1.63 1.26 1.75 1.27 1.80 1.60 1.21 1.90 1.53 1.77 1.63 ubb 0.18 1.2 0.64 0.36 0.20 1.0 0.16 0.27 1.9 0.27 0.32 1.2 0.9 0.20 10.8 0.68 0.13 0.34 0.699 0.082 0.021 0.005 0.008 0.018 0.003 0.005 GSS-34 X 13.7 538 75.7 32.7 20.9 769 14.9 39.0 608 27.9 110 464 200 11.6 3878 94.9 27.2 88.8 176 55.56 13.90 5.96 2.78 5.63 1.36 2.60 RSD(%) 3.73 1.67 2.05 1.92 2.37 0.69 1.89 2.06 0.64 3.19 0.60 0.71 0.56 4.93 0.63 1.55 1.33 0.88 1.42 0.47 0.49 0.33 0.39 0.61 0.57 0.49 F 0.78 1.65 0.85 1.23 1.54 1.12 0.57 1.51 0.84 1.27 0.73 1.78 0.68 1.19 1.74 0.79 1.39 0.70 1.06 1.88 1.39 1.12 1.12 1.32 1.81 1.40 ubb 0.20 4.4 0.61 0.20 0.23 1.3 0.12 0.36 1.5 0.31 0.27 1.75 0.46 0.17 12.8 0.58 0.15 0.32 0.4 0.144 0.028 0.005 0.003 0.013 0.004 0.005 GSS-35 X 11.7 499 47.5 20.3 17.3 607 14.1 27.7 687 25.4 98.7 254 255 11.5 3691 71.1 27.3 59.9 384 52.89 12.91 3.64 1.61 5.35 1.67 2.05 RSD(%) 4.05 2.05 4.24 4.31 3.08 0.95 3.07 3.0 1.18 3.65 1.38 2.06 1.47 6.93 1.02 3.53 2.84 1.93 1.92 0.78 0.47 0.98 0.80 0.63 0.86 0.48 F 0.98 0.98 1.74 0.83 0.83 0.86 1.52 0.62 1.25 1.62 1.33 1.21 1.42 0.82 0.98 1.42 1.03 1.77 1.65 0.98 1.27 0.87 1.75 1.57 1.38 1.64 ubb 0.18 3.9 1.05 0.34 0.21 2.2 0.20 0.35 2.7 0.45 0.51 1.6 1.6 0.31 14.2 1.05 0.09 0.61 3.7 0.16 0.021 0.014 0.007 0.016 0.006 0.005 注：As、Ba、Cr、Cu、Ga、Mn、Nb、Ni、P、Pb、Rb、S、Sr、Th、Ti、V、Y、Zn、Zr的质量分数为10-6; SiO2、Al2O3、TFe2O3、MgO、CaO、Na2O、K2O的质量分数为10-2。
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表 4 定值测试协作单位
Table 4. Collaboration laboratories of certified analysis
序号 单位名称 1 吉林省地质科学研究所 2 中国原子能科学研究院 3 陕西省地质矿产实验研究所 4 辽宁省地质矿产研究院 5 湖北省地质实验研究所 6 国家地质实验测试中心 7 福建省地质测试研究中心 8 安徽省地质实验研究所 9 四川省地质矿产勘查开发局
成都综合岩矿测试中心10 河南省岩石矿物测试中心 11 山西省岩矿测试应用研究所 12 中国科学院上海硅酸盐研究所 13 中国地质科学院地球物理地球化学勘查研究所
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表 5 GSS-29~GSS-35中元素定值采用的样品分解方法和分析测试方法
Table 5. Sample decomposition methods and analytical methods used for the certification from GSS-29 to GSS-35
成分
Component样品分解方法
Decomposition method分析测试方法
Analytical methodAg DP, DA, DF AES, ICP-MS, AAS As DA, DP, DFC AFS, ICP-MS, XRF, INAA B DP, DFC AES, ICP-OES Ba DF, DP, DFC ICP-MS, XRF, INAA Be DF, DFC ICP-OES, ICP-MS Bi DA, DF, DFC ICP-MS, AFS Br DP, FUP, FU XRF, ICP-MS, IC Cd DF, DA ICP-MS, GFAAS Ce DF, DFC, FU, DP ICP-MS, ICP-OES, XRF Cl DP, FU XRF, IC Co DF, DP, DFC ICP-MS, ICP-OES, XRF Cr DF, DP, DFC XRF, ICP-MS, ICP-OES Cs DF ICP-MS Cu DF, DP, DFC ICP-OES, ICP-MS, XRF Dy DF, DFC, FU DP ICP-MS, INAA Er DF, DFC, FU ICP-MS Eu DF, DFC, FU ICP-MS F FU ISE Ga DF, DP, DFC ICP-MS, XRF, INAA, ICP-OES Gd DF, DFC, FU ICP-MS Ge DF, DFC AFS, ICP-MS Hf DF, DFC, DP ICP-MS, XRF Hg DA AFS Ho DF, DFC, FU ICP-MS I FU, DP, FUP COL, ICP-MS, INAA In DF, DFC ICP-MS La DF, DP, FU, DFC ICP-MS, ICP-OES, XRF Li DF, DFC ICP-OES, ICP-MS Lu DF, DFC, FU ICP-MS Mn DF, DP, DFC ICP-OES, XRF, ICP-MS, AAS Mo DF, FU, DFC ICP-MS, POL N DA, DH VOL Nb DF, DP, DFC ICP-MS, XRF, ICP-OES Nd DF, DFC, FU ICP-MS Ni DF, DP, DFC ICP-OES, ICP-MS, XRF P FU, DF, DP FUS COL, ICP-MS, ICP-OES, XRF Pb DF, DP, DFC ICP-MS, ICP-OES, XRF Pr DF, DFC, FU ICP-MS, ICP-OES Rb DP, DF, DFC XRF, ICP-MS S COB, DP VOL, IR Sb DA, DF, DFC AFS, ICP-MS Sc DF, DP, DFC ICP-MS, ICP-OES, XRF Se DF, DMA, FU AFS Sm DF, DFC, FU, DP DP ICP-MS, INAA Sn DP, DFC AES, ICP-MS Sr DF, DP, DFC ICP-OES, XRF, INAA Ta DF, DFC, FU ICP-MS Tb DF, DFC, FU ICP-MS Te DF, DMA ICP-MS, AFS Th DF, DP, DFC ICP-MS, XRF Ti DF, DP, FU, DFC ICP-OES, XRF, COL, INAA Tl DF, DFC ICP-MS, GFAAS Tm DF, DFC, FU ICP-MS U DF, DFC ICP-MS, INAA, LF V DF, DP, DFC ICP-OES, XRF, ICP-MS, INAA W DF, FU, DFC ICP-MS, POL Y DP, DF, FU, DFC ICP-MS, ICP-OES, XRF Yb DF, DFC, FU ICP-MS Zn DF, DP ICP-OES, XRF, ICP-MS Zr DP, DF, DFC, XRF, ICP-MS SiO2 FU, FUS GR, VOL, XRF Al2O3 FU, DF, FUS, DP VOL, ICP-OES, XRF, INAA TFe2O3 FU, DF, FUS, DP ICP-OES, COL, XRF, VOL FeO DF VOL MgO DF, FU, FUS, DP ICP-OES, VOL, XRF, AAS CaO DF, FU, FUS, DP ICP-OES, VOL, XRF, AAS Na2O DF, FU, FUS, DP ICP-OES, AAS, XRF K2O DF, FU, FUS, DP ICP-OES, AAS, XRF H2O+ DH GR CO2 DA, DH VOL, POT Corg DMA, DH VOL, POT TC DH, DP, COB, VOL, IR, GC, POT LOI COB GR 注：样品分解方法依次为：DP—粉末法；DA—王水分解；DF—含氢氟酸的混合酸分解；DFC—混合酸加氢氟酸密闭分解；FUP—氨水溶解；FU—熔融；DH—热解法；COB—燃烧法；DMA—混合酸分解；FUS—熔片法。
测试方法依次为：AES—发射光谱法；ICP-MS—电感耦合等离子体质谱法；AAS—原子吸收光谱法；AFS—原子荧光光谱法；XRF—X射线荧光光谱法；INAA—中子活化法；ICP-OES—电感耦合等离子体发射光谱法；IC—离子色谱法；GFAAS—石墨炉原子吸收光谱法；ISE—离子选择电极法；COL—分光光度法；POL—催化波极谱法；VOL—容量法；IR—高频红外光谱法；LF—激光荧光光谱法；GR—重量法；POT—电位法。
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表 6 泛滥平原沉积物标准物质的认定值与扩展不确定度
Table 6. Certified values and expanded uncertainty of floodplain sediments reference materials
定值
指标
Component定值
单位
Unit认定值与扩展不确定度Certified value and expanded uncertainty GBW07385
(GSS-29)GBW07386
(GSS-30)GBW07387
(GSS-31)GBW07388
(GSS-32)GBW07389
(GSS-33)GBW07390
(GSS-34)GBW07391
(GSS-35)Ag μg/g 0.109±0.005 0.103±0.006 0.105±0.004 0.074±0.004 0.067±0.005 0.087±0.004 0.082±0.004 As μg/g 9.3±0.8 10.0±0.8 13.0±1.2 12.7±0.7 13.7±1.1 13.7±1.2 9.2±0.6 B μg/g 68±3 62±3 58±2 55±4 50±2 49±3 36±3 Ba μg/g 506±10 471±12 800±18 574±10 511±8 558±11 585±13 Be μg/g 2.3±0.3 4.0±0.3 2.5±0.2 2.4±0.2 2.1±0.2 2.4±0.3 2.3±0.2 Bi μg/g 0.37±0.04 1.2±0.1 0.67±0.04 0.34±0.05 0.34±0.03 0.38▲
0.38~0.400.30±0.04 Br μg/g 7.1±0.8 (1.43) 2.9±0.5 2.6±0.4 2.3±0.5 11.6±1.5 12.5±1.3 Cd μg/g 0.28±0.02 0.26±0.02 0.34±0.02 0.066±0.007 0.14±0.01 0.16±0.01 0.11±0.01 Ce μg/g 78±2 98±3 81±2 82±2 70±2 74±3 68±2 Cl μg/g 106±6 63±10 65±5 34±4 284±11 906±33 52±7 Co μg/g 16.0±0.6 9.6±1.5 16.9±0.7 16.9±0.4 13.0±0.7 15.6±0.6 12.2±0.4 Cr μg/g 80±5 51±4 82±3 79±3 68±3 76±4 56±5 Cs μg/g 7.7±0.4 14.7±0.7 8.2±0.3 8.9±0.2 7.9±0.4 8.6±0.4 6.6±0.3 Cu μg/g 35±2 26±2 37±2 26±2 25±2 32±2 21±2 Dy μg/g 5.3±0.3 6.6±0.3 5.8±0.2 5.4±0.2 5.0±0.3 5.0±0.4 4.9±0.3 Er μg/g 3.0±0.3 3.8±0.3 3.2±0.2 3.1±0.2 2.8±0.2 2.8±0.2 2.8±0.3 Eu μg/g 1.4±0.1 1.3±0.1 1.6±0.2 1.4±0.1 1.3±0.2 1.4±0.1 1.3±0.1 F μg/g 695±11 645±9 695±11 548±16 610±6 710±18 438±15 Ga μg/g 18.0±0.5 21.0±0.6 19.8±0.5 18.9±0.4 16.3±0.5 19.2±0.7 16.6±0.6 Gd μg/g 5.8±0.3 7.3±0.3 6.3±0.2 6.0±0.3 5.3±0.3 5.5±0.3 5.4±0.3 Ge μg/g 1.46±0.10 1.63±0.10 1.52±0.07 1.49±0.09 1.31±0.11 1.34±0.10 1.25±0.09 Hf μg/g 6.5±0.3 8.5±0.5 6.6±0.2 7.4±0.3 6.4±0.5 5.0±0.3 10.0±0.6 Hg μg/g 0.15±0.02 0.091±0.007 0.081±0.009 0.026±0.003 0.019±0.003 0.053±0.006 0.042▲
0.039~0.054Ho μg/g 1.07±0.08 1.34±0.08 1.15±0.05 1.10±0.05 1.00±0.11 1.00±0.09 0.99±0.04 I μg/g 2.4±0.2 0.87±0.05 1.6±0.2 3.8±0.4 1.02±0.14 2.3±0.2 5.6±0.5 In μg/g 0.069±0.003 0.086±0.004 0.072±0.004 0.063±0.002 0.058±0.003 0.065±0.002 0.054±0.002 La μg/g 41±1 56±2 43±1 40±1 38±1 40▲
39~4237±1 Li μg/g 42±1 59±2 44±1 40±1 39±2 45±2 32±1 Lu μg/g 0.46±0.02 0.61±0.04 0.50±0.01 0.48±0.02 0.44±0.03 0.43±0.03 0.47±0.02 Mn μg/g 760±16 351±15 907±15 841±15 664±16 773±17 706±21 Mo μg/g 0.68±0.06 0.94±0.08 1.13±0.09 0.39±0.04 0.72±0.06 0.98±0.08 0.52±0.05 N μg/g 0.138±0.007* 980±28 1123±23 418±24 464±14 850±19 0.189±0.011* Nb μg/g 18.2±0.5 23.8±0.7 18.4±0.7 16.7±0.5 14.0±0.5 14.3±0.4 15.4±0.7 Nd μg/g 36±2 45±2 38±1 36±1 33±1 35±1 33±2 Ni μg/g 38±2 20±2 41±3 37±2 32±1 38±2 27±2 P μg/g 0.108±0.005* 0.108±0.007* 952±41 287±32 657±26 622±19 633±53 Pb μg/g 32±3 43±4 28±3 26±2 22±2 26±2 22±2 Pr μg/g 9.1±0.4 12.0±0.4 9.7±0.2 9.2±0.2 8.4±0.4 9.0±0.4 8.2±0.3 Rb μg/g 105±3 184±3 114±3 108±3 100±2 111±2 99±3 S μg/g 266±13 244±12 180±8 77±9 268±19 431±22 344±22 Sb μg/g 1.16±0.08 0.82±0.04 1.27±0.06 1.08±0.06 1.14±0.12 1.08±0.09 (0.8) Sc μg/g 12.8±0.4 10.4±0.3 14.6±0.4 13.3±0.4 12.5±0.6 14.0±0.7 10.3±0.4 Se μg/g 0.26±0.02 0.30±0.01 0.36±0.02 0.11▲
0.10~0.110.19±0.02 0.21±0.02 0.25±0.02 Sm μg/g 6.7±0.3 8.4±0.3 7.1±0.2 6.8±0.2 6.2±0.3 6.5±0.3 6.2±0.3 Sn μg/g 7.2±0.4 8.7±0.6 3.6±0.4 3.6±0.2 2.9±0.4 3.2±0.2 2.9±0.4 Sr μg/g 132±5 53±5 136±5 115±4 201±9 202±9 258±11 Ta μg/g 1.4±0.2 2.7±0.3 1.4±0.1 1.2±0.2 1.0±0.2 1.0±0.2 1.2±0.2 Tb μg/g 0.96±0.05 1.19±0.08 1.02±0.05 0.98±0.04 0.89±0.04 0.91±0.05 0.88±0.04 Te μg/g (0.048) (0.043) (0.054) 0.046±0.005 (0.043) 0.051±0.003 0.046±0.004 Th μg/g 12.9±0.8 21.6±1.3 13.4±0.4 13.6±0.5 12.5±0.6 12.8±0.5 11.4±0.8 Ti % 0.533±0.009 0.404±0.007 0.488±0.010 0.463±0.007 0.374±0.006 0.394±0.008 0.418±0.012 Tl μg/g 0.64±0.03 1.10±0.09 0.70±0.03 0.68±0.03 0.68±0.04 0.68±0.03 0.64±0.04 Tm μg/g 0.47±0.02 0.61±0.04 0.50±0.01 0.49±0.02 0.45±0.02 0.44±0.03 0.46±0.03 U μg/g 2.6±0.1 5.7±0.3 2.6±0.2 2.3±0.1 2.4±0.2 2.3±0.2 2.2±0.1 V μg/g 105±3 67±3 125±3 97±3 83±2 96±2 76±4 W μg/g 2.0±0.1 5.8±0.3 2.1±0.1 2.0±0.1 1.8±0.2 2.0±0.2 1.8±0.1 Y μg/g 28±1 36±1 30±1 29±1 26±1 26±2 27±1 Yb μg/g 3.0±0.2 4.0±0.3 3.2±0.2 3.2±0.2 2.9±0.2 2.8±0.2 3.0±0.3 Zn μg/g 96±4 92±3 104±3 64±5 69±4 86±4 59▲
58~61Zr μg/g 235±11 288±6 238±10 270±10 220±9 180±7 383±13 SiO2 % 63.16±0.41 69.13±0.63 62.79±0.57 67.33±0.96 59.68▲
59.61~59.7756.47±0.48 59.48±0.75 Al2O3 % 13.24±0.26 14.98±0.35 14.85±0.45 14.49±0.17 12.62±0.30 14.45±0.33 12.99±0.31 TFe2O3 % 5.44±0.15 3.81±0.16 5.92±0.11 5.52±0.07 4.73±0.03 5.76±0.18 4.09±0.15 FeO % (1.61) (0.97) 1.47±0.07 (0.36) 1.20±0.03 1.34±0.09 (1.45) MgO % 2.17±0.09 0.72±0.04 2.16±0.08 1.34±0.11 2.24±0.11 2.66±0.08 1.47▲
1.45~1.52CaO % 3.13±0.12 0.34±0.03 2.10±0.12 1.09±0.05 6.91±0.22 5.65±0.38 5.74±0.21 Na2O % 1.32±0.09 0.41▲
0.39~0.441.44±0.10 1.26±0.07 1.62±0.12 1.55±0.08 1.84±0.13 K2O % 2.31±0.09 3.03±0.09 2.65±0.13 2.07±0.08 2.40±0.12 2.68±0.20 2.41±0.10 H2O+ % 4.20±0.17 4.68±0.16 4.28±0.19 (5.2) 3.73±0.20 (4.7) (4.5) CO2 % 2.05±0.06 - 0.83±0.04 - 4.77±0.14 4.00±0.11 3.33±0.16 Corg % 1.12±0.09 1.02±0.07 1.02±0.05 (0.3) (0.4) 0.79±0.09 2.00±0.17 TC % 1.68±0.04 1.06±0.03 1.28±0.02 0.31±0.02 1.72±0.04 1.87±0.07 3.03±0.14 LOI % 7.62±0.16 6.29±0.10 6.57±0.14 (5.6) 8.65±0.07 9.62±0.14 10.64±0.34 注：“±”之前的数值为认定值，“±”之后的数值为不确定度；带括号的数值为参考值，带▲号的认定值为中位值，其下为置信限；带*号的数值含量单位为%。
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