中国地质学会岩矿测试技术专业委员会、国家地质实验测试中心主办

长江三角洲沉积物标准物质研制

辛文彩, 夏宁, 徐磊, 朱志刚. 长江三角洲沉积物标准物质研制[J]. 岩矿测试, 2017, 36(4): 388-395. doi: 10.15898/j.cnki.11-2131/td.201609210141
引用本文: 辛文彩, 夏宁, 徐磊, 朱志刚. 长江三角洲沉积物标准物质研制[J]. 岩矿测试, 2017, 36(4): 388-395. doi: 10.15898/j.cnki.11-2131/td.201609210141
Wen-cai XIN, Ning XIA, Lei XU, Zhi-gang ZHU. Preparation of Yangtze River Delta Sediment Reference Materials[J]. Rock and Mineral Analysis, 2017, 36(4): 388-395. doi: 10.15898/j.cnki.11-2131/td.201609210141
Citation: Wen-cai XIN, Ning XIA, Lei XU, Zhi-gang ZHU. Preparation of Yangtze River Delta Sediment Reference Materials[J]. Rock and Mineral Analysis, 2017, 36(4): 388-395. doi: 10.15898/j.cnki.11-2131/td.201609210141

长江三角洲沉积物标准物质研制

  • 基金项目:
    中国地质调查局地质调查项目——长江口以北沙泥质海岸带地区环境地质调查与评价(1212010611401)
详细信息
    作者简介: 辛文彩, 工程师, 从事化学测试及标准物质研制。E-mail:115420535@qq.com
  • 中图分类号: TQ421.31

Preparation of Yangtze River Delta Sediment Reference Materials

  • 美国、加拿大等国家先后研制了10余个海湾和河口沉积物标准物质,但定值成分较少,大多侧重于有机污染物和放射性核素值。我国于2007年研制了3个黄河三角洲沉积物标准物质,为进一步满足近海地球化学调查及资源勘探的需要,本文按照ISO导则35和国家一级标准物质技术规范,研制了2个长江三角洲沉积物标准物质。按照不同粒径采集两个候选物样品,样品经干燥、球磨至200目,采用电感耦合等离子体质谱和发射光谱法进行均匀性检验,结果表明F实测值小于列表临界值F0.05(24,25)=1.96,样品均匀性良好。在两年时间内采用X射线荧光光谱法进行了4次稳定性检验,未发现统计学意义上的明显变化,样品稳定性良好。由12家有技术权威的实验室共采用13种准确、可靠的分析方法进行协作定值,最终定值元素53项,涵盖了主量、微量及全部稀土元素,其中主量成分含量呈梯度分布,如Al2O3的含量分别为16.42%、11.48%。该系列标准物质定值元素种类多,定值方法准确,能够为河口三角洲地区地质及环境调查的分析测试工作提供可靠的质量保证。
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  • 表 1  均匀性检验统计结果

    Table 1.  Statistical results of the homogeneity tests

    样品编号分析项目平均值最小值最大值相对偏差(%)单方差检验不确定度相对不确定度
    Cr91.389.492.70.891.640.680.64
    Zn105.2103.41070.881.31.00.98
    La40.739.741.40.931.770.481.2
    V1311281340.971.840.820.63
    CJBW-1Ba452.4447456.80.551.662.70.61
    TFe2O36.756.656.830.741.040.0460.68
    K2O3.002.933.051.081.190.0250.82
    MgO2.862.822.90.71.510.0200.71
    MnO0.1250.1220.1270.890.960.00080.64
    TiO20.8640.8490.8790.750.940.00840.97
    Cr72.568.876.92.911.81.31.8
    Zn7169.272.91.31.220.731.0
    La42.340.244.630.760.260.62
    V94.390.298.11.740.970.780.83
    CJBW-2Ba399.9385.1403.90.990.761.80.46
    TFe2O35.034.885.090.981.10.0310.52
    K2O2.302.242.340.870.850.0150.66
    MgO2.152.092.180.990.920.0140.63
    MnO0.1260.1230.1391.160.970.00120.94
    TiO20.7720.7490.7961.831.040.0111.2
    注:Cr、Zn、La、V、Ba元素的质量分数为10-6;TFe2O3、K2O、MgO、MnO、TiO2的质量分数为10-2
    下载: 导出CSV

    表 2  稳定性检验统计结果

    Table 2.  Statistical results of the stability tests

    样品编号分析项目平均值标准偏差 β1 s(β1)t0.05·s(β1)不确定度相对不确定度
    Cu43.50.310.0220.0200.0640.481.1
    Ni48.10.19-0.0010.017930.0570.430.89
    Zn1101.41-0.0950.100.302.32.1
    As14.70.10-0.0020.0090.0280.211.4
    CJBW-1Hg62.40.550.0400.0340.110.821.3
    Y28.80.170.0050.0160.0500.371.3
    Br24.90.21-0.0120.0150.0490.371.5
    Mn9256.400.410.461.4511.01.2
    TFe2O36.820.0360.0030.00210.0070.0510.75
    CaO3.900.0190.00090.00160.0050.0391.0
    Cu20.90.38-0.0310.0190.0610.462.2
    Ni31.10.250.0080.0220.0700.531.7
    Zn73.90.370.0270.020.0770.580.79
    As12.50.14-0.0080.0120.0370.282.2
    CJBW-2Hg33.80.280.0110.0240.080.581.7
    Y26.80.26-0.0180.0180.0570.431.6
    Br22.30.190.0010.0090.0280.210.95
    Mn9605.570.220.481.5211.51.2
    TFe2O35.040.0310.0020.00200.0060.0480.96
    CaO5.580.0220.00020.00210.0070.0490.88
    注:Cr、Ni、Zn、As、Y、Br、Mn元素的质量分数为10-6;Hg的质量分数为10-9;TFe2O3、CaO的质量分数为10-2
    下载: 导出CSV

    表 3  测试组数及分析方法

    Table 3.  Test groups and analysis method

    定值指标测试组数定值方法
    As14ICP-MS,AFS,NAA,XRF
    Ba20ICP-MS,ICP-OES,NAA,XRF
    Be16ICP-MS,ICP-OES
    Bi14ICP-MS,AFS
    Cd10AAS,ICP-MS,ICP-OES
    Ce18ICP-MS,ICP-OES,XRF,NAA
    Co22ICP-MS,ICP-OES,NAA,XRF
    Cr20ICP-MS,ICP-OES,XRF,NAA
    Cs14ICP-MS,XRF,NAA,AAS
    Cu20ICP-MS,ICP-OES,XRF,AAS
    Dy12ICP-MS,ICP-OES
    Er12ICP-MS,ICP-OES
    Eu13ICP-MS,ICP-OES,NAA
    Ga15ICP-MS,XRF
    Gd13ICP-MS,ICP-OES,NAA
    Hg9AFS
    Ho12ICP-MS,ICP-OES
    La18ICP-MS,ICP-OES,NAA,XRF
    Li16ICP-MS,ICP-OES,AAS
    Lu13ICP-MS,ICP-OES,NAA
    Mo16ICP-MS,ES,POL
    Nd13ICP-MS,ICP-OES,NAA
    Ni19ICP-MS,ICP-OES,XRF
    Pb20ICP-MS,ICP-OES,XRF,NAA,AAS
    Pr12ICP-MS,ICP-OES
    Rb17ICP-MS,ICP-OES,AAS,XRF,NAA
    Sb14ICP-MS,AFS,NAA,AAS
    Sc13ICP-MS,ICP-OES,NAA
    Se10ICP-MS,AFS
    Sm13ICP-MS,ICP-OES,NAA
    Sr20ICP-MS,ICP-OES,XRF
    Tb13ICP-MS,ICP-OES,NAA
    Th15ICP-MS,ICP-OES,NAA,XRF
    Tl12ICP-MS
    Tm12ICP-MS,ICP-OES
    U12ICP-MS,NAA
    V19ICP-MS,ICP-OES,XRF
    W13POL,ICP-MS
    Y18ICP-MS,ICP-OES,XRF
    Yb12ICP-MS,ICP-OES,NAA
    Zn17ICP-MS,ICP-OES,AAS,XRF
    Al2O320VOL,ICP-OES,XRF
    CaO22AAS,ICP-OES,VOL,XRF
    MgO23VOL,ICP-OES,XRF,AAS,NAA
    K2O20ICP-OES,XRF,AAS
    Na2O18ICP-OES,XRF,AAS,NAA
    TFe2O321AAS,COL,NAA,ICP-OES,XRF
    MnO24ICP-MS,ICP-OES,XRF,AAS,NAA
    P2O523ICP-OES,COL,XRF
    TiO226ICP-MS,ICP-OES,COL,XRF
    LOI11GR
    TC10VOL,IR,GR,XRF
    Org.C10VOL,EL
    注:ICP-MS—电感耦合等离子体质谱法;AFS—原子荧光光谱法;NAA—中子活化法;XRF—X射线荧光光谱法;ICP-OES—电感耦合等离子体发射光谱法;AFS—原子吸收光谱法;ES—原子发射光谱法;POL—示波极谱法;VOL—容量法;COL—比色法;GR—重量法;IR—红外光谱法;EL—电位法。
    下载: 导出CSV

    表 4  样品CJBW-1和CJBW-2认定值和不确定度

    Table 4.  Certified values and uncertainty of CJBW-1 and CJBW-2 samples

    元素样品CJBW-1样品CJBW-2
    标准值不确定度标准值不确定度
    Zn1095732
    Yb2.90.22.70.2
    Y30126.50.9
    W2.30.21.70.1
    V1307954
    U2.70.22.20.2
    Tm0.470.030.430.03
    Tl0.820.050.530.04
    Th14.20.913.20.7
    Tb0.940.060.900.03
    Sr13672246
    Sm6.80.46.80.4
    Se0.200.030.130.02
    Sc16.70.911.10.3
    Sb1.110.070.580.02
    Rb1456966
    Pr9.60.69.90..6
    Pb322241
    Ni47230.60.8
    Nd35.80.936.80.9
    Mo0.820.050.500.02
    Lu0.440.030.410.02
    Li633372
    La423441
    Ho1.090.060.990.05
    Hg675393
    Gd5.90.45.90.4
    Ga22.60.915.20.8
    Eu1.440.041.340.08
    Er3.000.082.80.2
    Dy5.40.45.00.3
    Cu42119.60.9
    Cs12.00.66.20.3
    Cr965743
    Co19.00.513.90.4
    Ce804815
    Cd0.190.020.1000.006
    Bi0.590.010.330.02
    Be2.80.22.00.1
    Ba4572640716
    As15112.20.8
    *Org.C0.700.050.480.02
    *TC1.390.101.440.11
    *LOI9.120.407.680.09
    *TiO20.860.040.780.03
    *P2O50.1510.0060.1450.006
    *MnO0.1230.0050.1250.004
    *TFe2O36.760.275.080.12
    *Na2O1.680.052.110.08
    *K2O3.000.102.280.06
    *MgO2.850.112.160.06
    *CaO3.840.135.490.11
    *Al2O316.420.3611.480.43
    注:其中标注*成分的质量分数是%,Hg为10-9,其余元素为10-6
    下载: 导出CSV
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出版历程
收稿日期:  2016-09-21
修回日期:  2017-06-26
录用日期:  2017-07-20

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