生物标准物质标准值GSB1-10

国家质量监督检验检疫总局批准GBW10010GBW10019标准物质证书生物成分分析标准物质样品编号：定值日期：2005年12月地球物理地球化学勘查研究所中国 廊坊生物成分标准物质标准值元素GBW10010(GSB-1 大米)GBW10011(GSB-2 小麦)GBW10012(GSB-3 玉米)GBW10013(GSB-4 黄豆)GBW10014(GSB-5 圆白菜)Al (10-2)0.0390.0040.01040.00100.0320.003(0.043)0.01660.0022As (10-6)0.1020.0080.0310.0050.0280.0060.0350.0120.0620.014B (10-6)0.920.14(0.55)0.860.1115.81.519.61.7Ba (10-6)0.400.092.40.30.450.163.30.4122Be (10-9)1.80.4(0.85)1.70.43.50.6(1.8)Bi (10-9)(2.0)(2.5)2.80.9(2)2.80.7Br (10-6)0.560.13(0.33)0.460.09(0.6)6.01.3Ca (10-2)0.0110.0010.0340.0020.00550.00080.1530.0080.700.02Cd (10-9)8751844.11.6(11)356Ce (10-6)0.0110.0020.0090.0020.120.020.0400.0060.0440.004Cl (10-2)0.0400.0040.0860.0030.0500.0060.0080.0020.640.07Co (10-6)(0.010)(0.008)(0.012)0.1250.0120.0890.014Cr (10-6)(0.09)0.0960.014(0.11)0.280.041.80.3Cs (10-6)0.0140.005(0.010)0.0100.0040.0430.0060.0820.012Cu (10-6)4.90.32.70.20.660.0810.20.52.70.2Dy (10-9)(0.8)(0.8)3.20.82.40.62.60.7Er (10-9)(0.32)(0.31)1.70.41.00.2(1.4)Eu (10-9)(0.3)(0.8)(0.6)1.30.5(3.6)Fe (10-6)7.61.918.53.113.31.513949810Gd (10-9)(0.75)(0.91)4.30.93.30.93.10.5Ge (10-9)(5)(2)(1)(2.5)(4)Hf (10-6)(0.12)(0.03)Hg (10-9)5.30.5(1.6)（1.6）(1.5)10.91.6Ho (10-9)(0.12)(0.12)0.660.15(0.5)(0.5)I (10-6)(0.09)(0.06)（0.06）(0.05)0.240.03K (10-2)0.1380.0070.1400.0060.1290.0071.860.091.550.06La (10-6)0.0080.0030.0060.0020.0570.0060.0230.0040.0240.003Li (10-6)0.0440.0070.0240.0050.0380.0060.0620.0140.540.08Lu (10-9)(0.04)(0.04)(0.21)(0.13)(0.16)Mg (10-2)0.0410.0060.0450.0070.0180.0020.2300.0140.2410.015Mn (10-6)1715.40.31.550.0828118.70.8Mo (10-6)0.530.050.480.050.0450.0090.710.040.710.07N (10-2)1.610.042.400.061.400.076.70.32.80.2Na (10-6)258175(10)(15)1.090.06(%)Nb (10-6)(0.008)(0.009)(0.011)(0.014)Nd (10-6)(0.004)0.00460.00140.0220.0040.0160.0030.0150.002Ni (10-6)0.270.020.060.020.0970.0144.00.30.930.10P (10-2)0.1360.0060.1540.0070.0610.0030.660.030.460.03Pb (10-6)0.080.030.0650.0240.070.020.070.020.190.03Pr (10-9)1.10.31.10.4714.50.54.00.6Rb (10-6)3.90.32.60.22.10.214.20.719.61.0S (10-2)0.1470.0240.1780.0170.1230.0160.3640.0270.720.05Sb (10-6)(0.004)(0.006)(0.008)(0.005)(0.012)Sc (10-9)(2.5)(3)3.50.9(6.6)(7)Se (10-6)0.0610.0150.0530.0070.0210.008(0.022)0.200.03Si (10-2)0.0250.003(0.008)0.0080.001(0.013)0.0240.005Sm (10-9)(0.9)0.950.283.20.53.10.33.20.7Sr (10-6)0.300.052.50.30.190.059.90.6483Tb (10-9)(0.10)（0.10）0.730.24(0.42)(0.5)Th (10-9)(4)(2)4.61.56.81.493Ti (10-6)(2)(2)1.60.5(9)Tl (10-9)（0.7）（0.5）（0.4）（2.3）(6.3)Tm (10-9)（0.05）（0.04）(0.27)(0.2)(0.23)U (10-9)(1.2)(1.6)(2.3)(2.5)203V (10-6)(0.03)0.0340.0120.300.11(0.08)(0.11)Y (10-6)0.0520.0090.0230.0050.0210.0040.0220.0040.0150.002Yb (10-9)(0.3)(0.34)1.60.21.20.41.40.4Zn (10-6)23211.60.72.90.3382262灰分(%)(0.8)(1.0)(0.5)(5.1)(8.2)元素GBW10015（GSB-6菠菜）GBW10016（GSB-7茶叶）GBW10017（GSB-8奶粉）GBW10018（GSB-9鸡肉）GBW10019（GSB-10苹果）Al (10-2)0.0610.0060.0940.009(0.003)0.0160.0030.0070.001As (10-6)0.230.030.090.010.0310.0070.1090.0130.0200.004B (10-6)2521411.560.220.760.13193Ba (10-6)9.00.89.60.51.00.31.50.42.50.3Be (10-9)172102(1.3)(1.0)Bi (10-9)13.51.0182(1.2)1.30.4(2.5)Br (10-6)1022.70.55.71.41.60.4(0.2)Ca (10-2)0.660.030.3260.0080.940.030.0220.0020.0490.001Cd (10-9)15025624(5)5.81.2Ce (10-6)0.660.050.390.05（0.004）0.060.010.0250.005Cl (10-2)1.080.070.0440.0030.810.090.1530.015(0.008)Co (10-6)0.220.030.220.020.0300.007(0.010)0.0260.006Cr (10-6)1.40.20.450.100.390.040.590.110.300.06Cs (10-6)0.130.020.320.060.0340.0050.0700.013(0.02)Cu (10-6)8.90.418.60.70.510.131.460.122.50.2Dy (10-9)418256（0.45）1.10.4(1.1)Er (10-9)173144（0.16）（0.8）（0.65）Eu (10-9)11.11.46.71.4（0.4）（0.7）(0.7)F (10-6)(14)5715Fe (10-6)54020242187.81.3313162Gd (10-9)547315(1.4)0.950.11Ge (10-9)（20）（8）（2）Hf (10-6)(0.04)(0.17)Hg (10-9)2033.80.8（2.2）3.61.5(2)Ho (10-9)8.11.75.41.2（0.07）(0.26)（0.25）I (10-6)0.360.12(0.13)1.120.23(0.08)0.120.04K (10-2)2.490.111.630.071.250.051.460.070.770.04La (10-6)0.350.040.250.02(0.0025)0.0240.0040.0140.004Li (10-6)1.460.230.140.02(0.04)0.0340.0070.1150.009Lu (10-9)3.00.93.00.8（0.10）Mg (10-2)0.5520.0150.1860.0110.0960.0070.1280.0100.0390.006Mn (10-6)413500200.510.171.650.072.70.2Mo (10-6)0.470.040.0400.0120.280.030.110.010.080.02N (10-2)3.40.25.10.33.80.214.80.50.310.03Na (10-2)1.500.060.0090.0010.470.030.1440.0090.1160.009Nb (10-6)(0.06)(0.025)(0.008)(0.006)Nd (10-6)0.280.030.150.02(0.002)0.00950.0035(0.006)Ni (10-6)0.920.123.40.3(0.18)0.150.030.140.05P (10-2)0.360.020.450.030.760.030.960.080.0660.004Pb (10-6)11.10.91.50.20.070.020.110.020.0840.032Pr (10-9)755424（0.7）2.80.61.80.3Rb (10-6)302117511.60.73325.00.6S (10-2)0.450.040.300.030.250.020.860.050.0630.004Sb (10-6)0.0430.0140.0220.006(0.006)(0.006)Sc (10-9)(93)(23)(2.8)(4.5)Se (10-6)0.0920.0240.0980.0080.110.030.490.06(0.018)Si (10-2)0.2120.0240.0990.008(0.013)0.00500.0013Sm (10-9)565293（0.5）1.30.51.50.5Sr (10-6)8759.11.25.30.60.640.086.90.5Tb (10-9)7.20.74.50.7（0.7）(0.23)Th (10-9)114193812(2.8)(4.5)4.00.3Ti (10-6)(28)(14)Tl (10-9)（49）（50）（0.9）（14）（1.8）Tm (10-9)3.10.92.61.0（0.11）（0.12）U (10-9)8911102(3)(3)8.21.8V (10-6)0.870.230.170.03（0.06）(0.06)（0.028）Y (10-6)0.200.040.230.030.0080.0030.0070.0020.0080.002Yb (10-9)194184（0.7）(0.66)Zn (10-6)35.31.55123422612.10.4灰分(%)(12.0)(5.0)（6.2）(5.0)(2.4)说明: “”后的数据为不确定度,括号内的数值为参考值本系列生物成分分析标准物质包括粮食、蔬菜、鸡肉等10种，可供农业环境地球化学调查与评价及食品卫生安全评价等生物样品成分分析用作量值和质量监控标准。一、样品制备在代表性的产地选取原料，经选材、清洗、晾干，粮食等于60烘干，用高铝瓷球磨机或制粉机粉碎，蔬菜、鸡肉、苹果经冷冻干燥用球磨机粉碎，过80目筛（油脂性样过60目筛），筛上样混匀后分装，双层复合膜作外包装，鸡肉、奶粉、黄豆在-10下保存，其余样品在空调间内避光保存。二、标准值与不确定度一般数据不少于6组、有不同原理的准确方法测试且一致性良好定为标准值；数据少（但不少于3组）或精度不符合要求者为参考值，用带括号数据表示。标准值不确定度（U）用公式= 估算，式中ua，ub分别为A类和B类标准不确定度，t为t分布取95的置信度、自由度为n-1的t值，s和n为测试数据的标准偏差和数据组数，R和m为分析方法平均值的极差和参与统计（n2）的方法数，测试方法单一的用s作不确定度的估计值。三、分析方法定值分析方法及测试的元素（元素符号下划线横线的为主要测试方法），ICP-MS：As B Ba Be Bi Br Cd Ce Co Cr Cs Cu Dy Er Eu Gd Ge Hf Ho I La Li Lu Mn Mo Nb Nd Ni Pb Pr Rb Sb Sc Se Sm Sn Sr Tb Th Ti Tl Tm U V Y Yb Zn；ICP-AES：Al B Ba Ca Co Cr Cu Fe K Li Mg Mn Na Ni P Pb S Sb Si Sr Zn；INAA：Al As Ba Br Ca Ce Cl Co Cr Cs Cu Eu Fe Hf I K La Mg Mn Mo Na Rb S Sb Se Sm Sr Tb Th U V Zn；XRF：Al Br Ca Rb Cu Fe K Mg Mn Na Rb S Si Sr Zn；AFS：As Bi Hg Sb Se；AAS：Ca Cu Fe K Mg Mn Na Zn；GFAAS：Cd Pb；COL：Al B Cl I P Si；VOL：N S；POL：Mo；IC：Br Cl I；IES：F；AES：B Sn。四、均匀性和稳定性随机抽取24个子样，用XRF压片法作双份，分析不同性质和含量的约8种元素，在良好的测试精度下方差检验结果表明均匀性符合要求。样品在1年时间内对多种不同性质和含量的元素进行了4次检验，表明样品稳定，今后将继续进行定期跟踪检验。五、使用与存放样品以高密聚乙烯塑料瓶发行包装，35g/瓶。最小取样量为0.2g。用后应立即紧盖、用不透光的复合塑料袋密封包装后置于干燥器中于阴凉干燥处避光保存，保存室温应26。如发现霉变应停止使用。六、测试单位国家地质实验测试中心、中国科学院上海应用物理研究所、安徽省地质实验研究所、湖北省地质实验研究所、南京综合岩矿测试中心、成都综合岩矿测试中心、吉林省地质科学研究所、福建省地质测试研究中心、地球物理地球化学勘查研究所、营养与食品安全研究所、中国原子能科学研究院、中国科学院高能物理所、山东省地质科学实验研究院。