CNAST0497水中鉛、鎘和砷檢測(cè)能力驗(yàn)證計(jì)劃結(jié)果報(bào)告中國(guó)合格評(píng)定國(guó)家認(rèn)可委員會(huì)一、前言 1二、本次計(jì)劃的特點(diǎn) 1三、統(tǒng)計(jì)分析的設(shè)計(jì)及能力評(píng)價(jià)原則 3四、統(tǒng)計(jì)處理結(jié)果及結(jié)果評(píng)價(jià) 4五、技術(shù)分析和建議 6六、附錄 9附錄A、實(shí)驗(yàn)室的檢測(cè)結(jié)果和統(tǒng)計(jì)處理 9A1、實(shí)驗(yàn)室檢測(cè)的結(jié)果及結(jié)果評(píng)價(jià)統(tǒng)計(jì)表 9A2、參加實(shí)驗(yàn)室檢測(cè)能力比分?jǐn)?shù)柱狀圖 27附錄B、樣品制備和均勻性檢驗(yàn) 39B1、樣品制備報(bào)告 39B2、均勻性檢驗(yàn)報(bào)告 39附錄C、相關(guān)文件 C1、被測(cè)物品接收狀態(tài)確認(rèn)表 C2、作業(yè)指導(dǎo)書 C3、結(jié)果報(bào)告單 附錄D、參考文獻(xiàn) 1一、前言由環(huán)境保護(hù)部標(biāo)準(zhǔn)樣品研究所（IERM）負(fù)責(zé)起草，中國(guó)合格評(píng)定國(guó)家認(rèn)可委員對(duì)于未按規(guī)定的頻次和領(lǐng)域參加能力驗(yàn)證的獲準(zhǔn)認(rèn)可實(shí)驗(yàn)室，CNAS將采取警二、本次計(jì)劃的特點(diǎn)2％，室隨機(jī)分為4組，每組實(shí)驗(yàn)室檢測(cè)其中一種濃度的檢測(cè)樣品。檢測(cè)樣品采用125mL進(jìn)口聚乙烯瓶分裝，分發(fā)前已由IERM3三、統(tǒng)計(jì)分析的設(shè)計(jì)及能力評(píng)價(jià)原則本次能力驗(yàn)證計(jì)劃統(tǒng)計(jì)分析采用穩(wěn)健（Robust）技術(shù)處理，即采用穩(wěn)健統(tǒng)計(jì)本次能力驗(yàn)證計(jì)劃涉及的統(tǒng)計(jì)量有結(jié)果數(shù)、中位值、標(biāo)準(zhǔn)化四分位距4四、統(tǒng)計(jì)處理結(jié)果及結(jié)果評(píng)價(jià)表1、主要穩(wěn)健統(tǒng)計(jì)參數(shù)匯總表（濃度單位：mg/L)組別元素結(jié)果數(shù)NIQRRCV最小值最大值極差第一組鉛0.8940.0160.8030.497鎘0.1060.0043.3%0.09450.1330.0385砷0.08100.0045.5%0.06220.1510.0888第二組鉛0.0373.4%0.9000.390鎘0.1240.0043.6%0.1040.1690.065砷0.07040.0023.3%0.05940.09830.0389第三組鉛0.0302.5%0.23鎘0.1150.0032.6%0.07410.1260.0519砷0.06050.0020.04290.08470.0418第四組鉛0.8560.0160.7360.464鎘0.1340.0043.3%0.1070.1570.050砷0.09300.0033.5%0.06480.1100.04525表2、參加實(shí)驗(yàn)室的總體結(jié)果評(píng)價(jià)統(tǒng)計(jì)表組別元素滿意結(jié)果有問(wèn)題結(jié)果不滿意結(jié)果結(jié)果數(shù)滿意率結(jié)果數(shù)可疑率結(jié)果數(shù)不滿意率第一組鉛78.9%54.4%鎘82.5%7砷80.9%76.4%第二組鉛83.3%7鎘88.5%854.4%砷80.0%87.3%第三組鉛87.7%97.9%54.4%鎘86.4%54.5%砷78.6%8.9%第四組鉛86.0%797.9%鎘91.2%65.3%43.5%砷88.5%65.3%76.2%表3、結(jié)果不滿意與有問(wèn)題的實(shí)驗(yàn)室代碼匯總表鉛202、213、216、229、232、257、271、391、399、404、408、418、43206、231、235、238、245、258、264、鎘257、259、271、275、276、278、279、6砷232、245、255、258、262、276、282、227、241、248、271、277五、技術(shù)分析和建議原子吸收分光光度法和電感耦合等離子體發(fā)射光譜/質(zhì)譜法；檢測(cè)砷元素的方法的實(shí)驗(yàn)室在分別采用二乙基二硫代氨基甲酸銀分光光度法（GB表4、實(shí)驗(yàn)室檢測(cè)方法統(tǒng)計(jì)表序號(hào)檢測(cè)元素結(jié)果數(shù)檢測(cè)方法結(jié)果數(shù)百分比第一組鉛原子吸收分光光度法78.9%電感耦合等離子體質(zhì)譜法電感耦合等離子體發(fā)射光譜法97.9%鎘原子吸收分光光度法78.9%電感耦合等離子體質(zhì)譜法電感耦合等離子體發(fā)射光譜法97.9%砷原子熒光光譜法73.6%原子吸收分光光度法2電感耦合等離子體質(zhì)譜法電感耦合等離子體發(fā)射光譜法2紫外可見分光光度法第二組鉛原子吸收分光光度法78.9%電感耦合等離子體發(fā)射光譜法電感耦合等離子體質(zhì)譜法54.4%7原子熒光法10.9%鎘原子吸收分光光度法80.5%電感耦合等離子體發(fā)射光譜法電感耦合等離子體質(zhì)譜法54.4%砷原子熒光法75.5%原子吸收分光光度法10.9%電感耦合等離子體發(fā)射光譜法87.3%電感耦合等離子體質(zhì)譜法65.5%紫外可見分光光度法第三組鉛原子吸收分光光度法78.9%電感耦合等離子體發(fā)射光譜法電感耦合等離子體質(zhì)譜法97.9%鎘原子吸收分光光度法78.2%電感耦合等離子體發(fā)射光譜法電感耦合等離子體質(zhì)譜法87.3%砷原子熒光光譜法76.8%電感耦合等離子體發(fā)射光譜法98.0%電感耦合等離子體質(zhì)譜法98.0%紫外可見分光光度法8第四組鉛原子吸收分光光度法79.8%電感耦合等離子體發(fā)射光譜法電感耦合等離子體質(zhì)譜法8.8%鎘原子吸收分光光度法79.6%電感耦合等離子體發(fā)射光譜法電感耦合等離子體質(zhì)譜法8.8%砷原子熒光光譜法77.0%電感耦合等離子體質(zhì)譜法8.8%電感耦合等離子體發(fā)射光譜法43.5%紫外可見分光光度法98.0%原子吸收分光光度法32.7%89六、附錄鎘（mg/L）（mg/L）（mg/L）0010.851-2.70有問(wèn)題0.104-0.57滿意0.08270.38滿意0020.881-0.82滿意0.105-0.28滿意0.08220.27滿意006不滿意0.110滿意0.0701-2.44有問(wèn)題0080.923滿意0.105-0.28滿意0.08320.49滿意0120.8950.06滿意0.1070.28滿意0.0855滿意014不滿意0.126不滿意0.0784-0.58滿意0170.887-0.44滿意0.102-1.14滿意0.0800-0.22滿意0200.950不滿意0.0982-2.22有問(wèn)題0.08540.99滿意0220.8970.19滿意0.1060.00滿意0.08230.29滿意0230.9020.50滿意0.112滿意0.09402.91有問(wèn)題0290.860-2.13有問(wèn)題0.130不滿意0.0760-1.12滿意0320.956不滿意0.1060.00滿意0.08450.78滿意0340.8940.00滿意0.105-0.28滿意0.0795-0.34滿意0370.8960.13滿意0.1070.28滿意0.08170.16滿意0400.892-0.13滿意0.105-0.28滿意0.08320.49滿意0430.843不滿意0.1090.85滿意0.0884滿意0450.859-2.20有問(wèn)題0.0991-1.96滿意0.09002.02有問(wèn)題0510.879-0.94滿意0.1162.84有問(wèn)題0.0791-0.43滿意0560.9080.88滿意0.104-0.57滿意0.0802-0.18滿意0590.9070.82滿意0.104-0.57滿意0.08200.22滿意0610.885-0.56滿意0.1060.00滿意0.086滿意0630.815不滿意0.101-1.42滿意*0660.9000.38滿意0.1060.00滿意0.08250.34滿意067不滿意0.133不滿意0.0773-0.83滿意0710.878-1.00滿意0.104-0.57滿意0.0800-0.22滿意0730.864-1.88滿意0.118不滿意0.09092.22有問(wèn)題A1-1-1續(xù)1代碼鎘（mg/L）（mg/L）（mg/L）0740.888-0.38滿意0.102-1.14滿意0.0951不滿意0770.922滿意0.1060.00滿意0.0798-0.27滿意0790.9010.44滿意0.100-1.70滿意0.0783-0.60滿意0820.864-1.88滿意0.101-1.42滿意0.0800-0.22滿意0860.8940.00滿意0.0984-2.16有問(wèn)題0.0766-0.99滿意0910.876-1.13滿意0.1070.28滿意0.0856滿意0950.819不滿意0.100-1.70滿意0.0794-0.36滿意0980.883-0.69滿意0.111滿意0.08370.60滿意0.863-1.95滿意0.103-0.85滿意0.0622不滿意0.880-0.88滿意0.105-0.28滿意0.08300.45滿意0.8960.13滿意0.104-0.57滿意0.0775-0.78滿意0.893-0.06滿意0.102-1.14滿意***0.0630不滿意0.877-1.07滿意0.118不滿意0.09402.91有問(wèn)題0.888-0.38滿意0.1060.00滿意0.0860滿意0.9060.75滿意0.1070.28滿意0.08160.13滿意0.9010.44滿意0.1090.85滿意0.0805-0.11滿意不滿意0.118不滿意0.0708-2.28有問(wèn)題0.893-0.06滿意0.105-0.28滿意0.0798-0.27滿意0.9040.63滿意0.1060.00滿意0.0803-0.16滿意0.8990.31滿意0.105-0.28滿意0.0806-0.09滿意不滿意0.127不滿意0.0865滿意0.9010.44滿意0.112滿意0.0795-0.34滿意0.919滿意0.105-0.28滿意0.0763-1.05滿意0.9080.88滿意0.102-1.14滿意0.08150.11滿意0.9050.69滿意0.1070.28滿意0.0865滿意不滿意0.1152.56有問(wèn)題0.0755-1.23滿意0.8940.00滿意0.101-1.42滿意0.0710-2.24有問(wèn)題0.874-1.25滿意0.101-1.42滿意0.0790-0.45滿意A1-1-1續(xù)2代碼鎘2050.891-0.19滿意0.104-0.57滿意0.08310.47滿意2070.9000.38滿意0.104-0.57滿意0.08380.63滿意2110.885-0.56滿意0.103-0.85滿意0.073-1.79滿意2150.880-0.88滿意0.104-0.57滿意0.08390.65滿意2180.9040.63滿意0.1060.00滿意*2220.9030.56滿意0.103-0.85滿意0.0798-0.27滿意2270.9030.56滿意0.1080.57滿意0.0696-2.55有問(wèn)題2340.9050.69滿意0.104-0.57滿意0.08200.22滿意2390.890-0.25滿意0.105-0.28滿意0.08210.25滿意2410.873-1.32滿意0.1070.28滿意0.09352.80有問(wèn)題2460.8990.31滿意0.103-0.85滿意0.0782-0.63滿意2500.888-0.38滿意0.126不滿意0.0880滿意2520.882-0.75滿意0.104-0.57滿意0.0790-0.45滿意257不滿意0.125不滿意0.0723-1.95滿意2600.9020.50滿意0.103-0.85滿意0.08160.13滿意2670.885-0.56滿意0.1090.85滿意0.0784-0.58滿意271不滿意0.120不滿意0.0681-2.89有問(wèn)題2740.886-0.50滿意0.103-0.85滿意0.0782-0.63滿意2810.9050.69滿意0.1060.00滿意0.0808-0.04滿意2860.892-0.13滿意0.1070.28滿意0.08480.85滿意2880.891-0.19滿意0.105-0.28滿意0.077-0.90滿意2890.9060.75滿意0.1070.28滿意0.0738-1.61滿意2930.885-0.56滿意0.1060.00滿意0.08240.31滿意2950.866-1.76滿意0.0945不滿意0.0763-1.05滿意2990.890-0.25滿意0.1080.57滿意0.0856滿意3020.9030.56滿意0.1070.28滿意0.08190.20滿意3060.9000.38滿意0.103-0.85滿意0.0790-0.45滿意3110.9020.50滿意0.118不滿意0.0722-1.97滿意3170.892-0.13滿意0.1080.57滿意0.08210.25滿意3260.876-1.13滿意0.126不滿意0.09012.04有問(wèn)題A1-1-1續(xù)3代碼鎘3300.995不滿意0.1162.84有問(wèn)題0.0719-2.04有問(wèn)題3310.8980.25滿意0.102-1.14滿意0.0754-1.25滿意3370.890-0.25滿意0.111滿意0.0732-1.75滿意3420.892-0.13滿意0.1060.00滿意0.0786-0.54滿意3480.8960.13滿意0.102-1.14滿意0.101不滿意3530.860-2.13有問(wèn)題0.103-0.85滿意0.0805-0.11滿意3590.8950.06滿意0.1090.85滿意0.08120.04滿意3620.9392.82有問(wèn)題0.113滿意0.0860滿意3650.9060.75滿意0.1070.28滿意0.116不滿意3700.875-1.19滿意0.111滿意0.151不滿意3770.883-0.69滿意0.1090.85滿意0.08370.60滿意3850.8990.31滿意0.1060.00滿意*3910.803不滿意0.1142.27有問(wèn)題0.106不滿意3990.828不滿意0.103-0.85滿意0.09162.37有問(wèn)題4010.8990.31滿意0.102-1.14滿意0.0806-0.09滿意4050.864-1.88滿意0.1070.28滿意0.0787-0.51滿意4100.889-0.31滿意0.1060.00滿意0.0863滿意4130.872-1.38滿意0.105-0.28滿意0.08120.04滿意4170.8970.19滿意0.1070.28滿意0.0859滿意4190.9020.50滿意0.104-0.57滿意0.08210.25滿意4200.890-0.25滿意0.1080.57滿意0.0776-0.76滿意4260.877-1.07滿意0.1080.57滿意0.0757-1.19滿意4290.885-0.56滿意0.105-0.28滿意0.0788-0.49滿意4300.8980.25滿意0.104-0.57滿意0.0792-0.40滿意4340.9060.75滿意0.102-1.14滿意0.0710-2.24有問(wèn)題4420.954不滿意0.1142.27有問(wèn)題0.08240.31滿意4460.9010.44滿意0.105-0.28滿意0.08240.31滿意4500.886-0.50滿意0.103-0.85滿意0.0786-0.54滿意4560.999不滿意0.1060.00滿意0.0896滿意4580.811不滿意0.1060.00滿意*主要統(tǒng)計(jì)參數(shù)檢測(cè)結(jié)果（mg/L）鉛鎘砷結(jié)果數(shù)0.8940.1060.0810NIQR0.0160.0040.004最小值0.8030.09450.0622最大值0.1330.151RCV3.3%5.5%極差0.4970.03850.0888代碼鎘0030.81滿意0.1240.00滿意0.0685-0.81滿意0090.27滿意0.1260.45滿意0.07632.51有問(wèn)題013-0.27滿意0.1240.00滿意0.0700-0.17滿意018-2.70有問(wèn)題0.1260.45滿意0.0789不滿意024-1.62滿意0.1240.00滿意0.0700-0.17滿意025-1.89滿意0.1240.00滿意0.07170.55滿意030-0.54滿意0.1250.22滿意0.0673-1.32滿意0392.43有問(wèn)題0.129滿意0.07080.17滿意0410.54滿意0.1270.67滿意0.0734滿意044滿意0.1240.00滿意0.069-0.59滿意047-0.54滿意0.121-0.67滿意0.0741滿意052-0.81滿意0.121-0.67滿意0.07040.00滿意057-2.16有問(wèn)題0.111-2.92有問(wèn)題0.0680-1.02滿意0620.81滿意0.114-2.25有問(wèn)題0.0643-2.59有問(wèn)題0682.70有問(wèn)題0.113-2.47有問(wèn)題0.0630不滿意075-0.54滿意0.1240.00滿意0.07150.47滿意076-1.35滿意0.120-0.90滿意0.0688-0.68滿意0830.00滿意0.1240.00滿意0.0701-0.13滿意A1-2-1續(xù)1代碼鎘084-1.89滿意0.122-0.45滿意0.07040.00滿意089-0.81滿意0.120-0.90滿意0.07110.30滿意094-0.81滿意0.1240.00滿意0.07080.17滿意0992.70有問(wèn)題0.118-1.35滿意0.07180.59滿意2.43有問(wèn)題0.1270.67滿意0.07542.12有問(wèn)題-0.54滿意0.122-0.45滿意0.07070.13滿意0.54滿意0.113-2.47有問(wèn)題0.07110.30滿意-1.62滿意0.1270.67滿意0.068-1.02滿意-1.35滿意0.1270.67滿意*-0.54滿意0.123-0.22滿意0.0700-0.17滿意-0.27滿意0.1250.22滿意*-0.81滿意0.122-0.45滿意0.07190.64滿意0.81滿意0.122-0.45滿意0.07050.04滿意-0.81滿意0.120-0.90滿意0.0680-1.02滿意-0.27滿意0.1250.22滿意0.0742滿意0.00滿意0.1250.22滿意0.0692-0.51滿意-0.54滿意0.1240.00滿意0.07110.30滿意0.54滿意0.1270.67滿意0.0736滿意-0.27滿意0.117-1.57滿意0.07090.21滿意滿意0.119-1.12滿意0.0702-0.08滿意-2.16有問(wèn)題0.1270.67滿意0.07602.38有問(wèn)題0.00滿意0.1270.67滿意0.0730滿意0.81滿意0.118-1.35滿意0.0605不滿意0.00滿意0.120-0.90滿意0.0698-0.25滿意0.54滿意0.1260.45滿意0.07150.47滿意-0.27滿意0.122-0.45滿意0.0675-1.23滿意0.81滿意0.114-2.25有問(wèn)題0.0608不滿意0.27滿意0.1240.00滿意0.0739滿意0.00滿意0.122-0.45滿意0.0695-0.38滿意滿意0.1270.67滿意0.0688-0.68滿意A1-2-1續(xù)2代碼鎘201-0.27滿意0.1250.22滿意0.07200.68滿意2080.00滿意0.1250.22滿意*210滿意0.1240.00滿意0.07100.25滿意2140.54滿意0.109不滿意0.0652-2.21有問(wèn)題221滿意0.113-2.47有問(wèn)題0.0650-2.29有問(wèn)題226-0.54滿意0.120-0.90滿意0.0685-0.81滿意2280.81滿意0.1260.45滿意0.0730滿意232不滿意0.113-2.47有問(wèn)題0.0983不滿意2352.16有問(wèn)題0.120-0.90滿意0.07090.21滿意240-1.35滿意0.120-0.90滿意0.0701-0.13滿意2452.43有問(wèn)題0.122-0.45滿意0.0612不滿意2490.00滿意0.131滿意0.0689-0.64滿意251-0.27滿意0.120-0.90滿意0.0684-0.85滿意2582.70有問(wèn)題0.1342.25有問(wèn)題0.0795不滿意2650.00滿意0.1250.22滿意0.0739滿意2660.54滿意0.118-1.35滿意0.0660-1.87滿意2690.54滿意0.1280.90滿意0.0732滿意273-0.81滿意0.1260.45滿意0.0672-1.36滿意2770.54滿意0.1260.45滿意0.0647-2.42有問(wèn)題2780.27滿意0.109不滿意0.0669-1.49滿意2830.00滿意0.1280.90滿意0.0780不滿意284-0.81滿意0.118-1.35滿意0.07090.21滿意2900.901不滿意0.1260.45滿意0.0700-0.17滿意296-1.35滿意0.1240.00滿意0.0698-0.25滿意300-1.08滿意0.122-0.45滿意0.0693-0.47滿意304-1.08滿意0.1240.00滿意0.07060.08滿意3100.00滿意0.1240.00滿意0.07100.25滿意315-1.08滿意0.122-0.45滿意0.07150.47滿意3190.54滿意0.122-0.45滿意0.07120.34滿意3250.54滿意0.120-0.90滿意0.0660-1.87滿意A1-2-1續(xù)3代碼鎘（mg/L）（mg/L）（mg/L）3270.00滿意0.120-0.90滿意0.0690-0.59滿意3320.27滿意0.1250.22滿意0.0698-0.25滿意3360.54滿意0.1240.00滿意0.0775不滿意340滿意0.118-1.35滿意0.0686-0.76滿意3410.930不滿意0.120-0.90滿意0.0697-0.30滿意3440.54滿意0.1260.45滿意0.0736滿意3450.54滿意0.1260.45滿意0.0680-1.02滿意3500.00滿意0.1250.22滿意0.07150.47滿意357-0.54滿意0.1240.00滿意0.0659-1.91滿意3600.00滿意0.1250.22滿意0.0695-0.38滿意3660.00滿意0.1240.00滿意0.0676-1.19滿意367滿意0.129滿意0.07260.93滿意3720.27滿意0.123-0.22滿意0.0695-0.38滿意376不滿意0.169不滿意0.0735滿意378-0.54滿意0.1260.45滿意0.07150.47滿意382-2.70有問(wèn)題0.120-0.90滿意0.0800不滿意384-1.62滿意0.121-0.67滿意0.0696-0.34滿意386-0.27滿意0.1280.90滿意0.07270.98滿意390-0.27滿意0.1280.90滿意0.0610不滿意3940.54滿意0.1250.22滿意0.069-0.59滿意3970.00滿意0.119-1.12滿意0.07240.85滿意4030.27滿意0.1260.45滿意0.07080.17滿意4080.988不滿意0.118-1.35滿意未檢出411-0.27滿意0.1240.00滿意0.07080.17滿意412-1.62滿意0.120-0.90滿意0.0594不滿意4180.900不滿意0.109不滿意0.0808不滿意421-0.81滿意0.121-0.67滿意0.0691-0.55滿意427-0.27滿意0.1250.22滿意0.07050.04滿意4280.27滿意0.1250.22滿意0.0689-0.64滿意437-0.81滿意0.1240.00滿意0.07230.81滿意A1-2-1續(xù)4代碼鎘4380.964不滿意0.104不滿意0.0831不滿意444-0.54滿意0.120-0.90滿意0.0683-0.89滿意449-0.54滿意0.1260.45滿意0.0695-0.38滿意453-0.81滿意0.123-0.22滿意0.07100.25滿意454-2.16有問(wèn)題*0.07522.04有問(wèn)題4590.00滿意0.1250.22滿意0.0701-0.13滿意A1-2-2、第二組主要穩(wěn)健統(tǒng)計(jì)參數(shù)匯總表主要統(tǒng)計(jì)參數(shù)檢測(cè)結(jié)果（mg/L）鉛鎘砷結(jié)果數(shù)0.1240.0704NIQR0.0370.0040.002最小值0.9000.1040.0594最大值0.1690.0983RCV3.4%3.6%3.3%極差0.3900.0650.0389代碼鎘0040.00滿意0.120滿意0.0587-0.73滿意0050.34滿意0.114-0.34滿意0.0583-0.89滿意011-1.01滿意0.110-1.69滿意0.0594-0.45滿意019-0.67滿意0.1160.34滿意0.0634滿意026-1.69滿意0.114-0.34滿意0.06080.12滿意0280.67滿意0.1160.34滿意0.06110.24滿意A1-3-1續(xù)1代碼鎘0330.00滿意0.1160.34滿意0.0512不滿意035-0.67滿意0.1170.67滿意0.06290.97滿意0380.67滿意0.119滿意0.0583-0.89滿意0480.00滿意0.118滿意0.0643滿意049滿意0.112-1.01滿意0.0502不滿意055-1.01滿意0.1232.70有問(wèn)題0.06562.07有問(wèn)題0580.67滿意0.120滿意0.0604-0.04滿意060滿意0.1150.00滿意0.0589-0.65滿意0650.34滿意0.113-0.67滿意0.0596-0.37滿意0722.70有問(wèn)題0.109-2.00滿意*078-1.69滿意0.105不滿意0.0600-0.20滿意085-0.67滿意0.119滿意0.0714不滿意0880.34滿意0.109-2.00滿意0.0590-0.61滿意090-0.34滿意0.113-0.67滿意0.0598-0.28滿意0922.00滿意0.120滿意0.06200.61滿意-0.34滿意0.1150.00滿意0.0600-0.20滿意-1.01滿意0.1170.67滿意0.0650滿意-0.67滿意0.1160.34滿意0.0600-0.20滿意0.00滿意0.1160.34滿意0.06140.37滿意0.00滿意0.1170.67滿意0.06100.20滿意0.00滿意0.107-2.70有問(wèn)題0.06070.08滿意0.67滿意0.118滿意0.0601-0.16滿意-0.34滿意**0.00滿意0.1212.00滿意0.0650滿意0.00滿意0.102不滿意0.0570-1.42滿意滿意0.1150.00滿意0.06230.73滿意0.34滿意0.113-0.67滿意0.0586-0.77滿意0.00滿意0.114-0.34滿意0.06050.00滿意0.67滿意0.119滿意0.06110.24滿意滿意0.1170.67滿意0.06110.24滿意A1-3-1續(xù)2代碼鎘0.34滿意0.1150.00滿意0.06602.23有問(wèn)題0.67滿意0.1160.34滿意0.0541-2.60有問(wèn)題-1.01滿意0.112-1.01滿意0.0646滿意-0.67滿意0.112-1.01滿意0.06140.37滿意0.34滿意0.118滿意0.0592-0.53滿意0.67滿意0.1150.00滿意0.06622.31有問(wèn)題0.67滿意0.1150.00滿意0.0603-0.08滿意滿意0.118滿意0.0573-1.30滿意不滿意0.112-1.01滿意0.0646滿意2.36有問(wèn)題0.1150.00滿意0.06250.81滿意-1.35滿意0.112-1.01滿意0.0600-0.20滿意0.00滿意0.1150.00滿意0.0500不滿意204滿意0.1160.34滿意0.06050.00滿意206-2.70有問(wèn)題0.119滿意0.0654滿意212-0.67滿意0.1150.00滿意0.06170.49滿意216不滿意0.112-1.01滿意0.06100.20滿意2170.00滿意0.114-0.34滿意0.065滿意220-2.00滿意*0.06732.76有問(wèn)題2240.00滿意0.102不滿意0.0694不滿意225-0.67滿意0.111-1.35滿意0.0590-0.61滿意230-1.35滿意0.1170.67滿意0.0602-0.12滿意236-0.67滿意0.114-0.34滿意0.0590-0.61滿意237滿意0.1232.70有問(wèn)題0.059-0.61滿意2420.00滿意0.1160.34滿意0.0567-1.54滿意2470.67滿意0.1150.00滿意0.06250.81滿意255-0.67滿意0.1170.67滿意0.0720不滿意259滿意0.103不滿意0.0568-1.50滿意261滿意0.1150.00滿意0.0589-0.65滿意2642.70有問(wèn)題0.114-0.34滿意0.06050.00滿意270**0.0596-0.37滿意A1-3-1續(xù)3代碼鎘2750.00滿意0.102不滿意0.06130.32滿意279-2.70有問(wèn)題0.103不滿意0.06672.52有問(wèn)題282-0.67滿意0.118滿意0.0688不滿意287-0.67滿意0.102不滿意0.06210.65滿意292-2.70有問(wèn)題0.1160.34滿意0.06200.61滿意2970.67滿意0.1160.34滿意0.06220.69滿意3010.34滿意0.113-0.67滿意0.0597-0.32滿意303-0.67滿意0.114-0.34滿意0.0586-0.77滿意307-2.36有問(wèn)題0.102不滿意0.0575-1.22滿意308-2.36有問(wèn)題0.1150.00滿意0.0596-0.37滿意313-2.70有問(wèn)題0.108-2.36有問(wèn)題0.0740不滿意3160.34滿意0.114-0.34滿意0.06050.00滿意3180.00滿意0.1150.00滿意0.06070.08滿意3210.00滿意0.118滿意0.0708不滿意322-1.01滿意0.113-0.67滿意0.06210.65滿意323-0.67滿意0.113-0.67滿意0.06070.08滿意3290.00滿意**333滿意0.1160.34滿意0.0600-0.20滿意3380.67滿意0.112-1.01滿意0.06060.04滿意343-2.00滿意0.1232.70有問(wèn)題0.0707不滿意346滿意0.118滿意0.0601-0.16滿意3490.67滿意0.112-1.01滿意0.0575-1.22滿意3540.34滿意0.1150.00滿意0.0689不滿意358滿意0.119滿意0.0593-0.49滿意361不滿意0.120滿意0.0542-2.56有問(wèn)題3640.34滿意0.114-0.34滿意0.0598-0.28滿意369滿意0.1160.34滿意0.06090.16滿意371-2.00滿意0.113-0.67滿意0.0847不滿意373滿意0.126不滿意0.0603-0.08滿意379-0.34滿意0.118滿意0.06090.16滿意A1-3-1續(xù)4代碼鎘380-0.67滿意0.119滿意0.06772.92有問(wèn)題3880.34滿意0.110-1.69滿意0.0429不滿意3890.34滿意0.0741不滿意0.0570-1.42滿意393-0.67滿意*0.06250.81滿意3950.67滿意0.1160.34滿意0.0603-0.08滿意398-0.67滿意0.112-1.01滿意0.0554-2.07有問(wèn)題402滿意0.114-0.34滿意0.0580-1.01滿意406-0.67滿意0.1170.67滿意0.0689不滿意414-0.34滿意0.113-0.67滿意0.0593-0.49滿意423滿意0.1170.67滿意0.06240.77滿意424滿意0.114-0.34滿意0.0587-0.73滿意435-0.67滿意0.111-1.35滿意0.0595-0.41滿意439-0.34滿意0.114-0.34滿意0.060-0.20滿意4400.67滿意0.113-0.67滿意0.0600-0.20滿意4450.67滿意0.1160.34滿意0.06280.93滿意451-0.67滿意0.1160.34滿意0.0600-0.20滿意4570.34滿意0.111-1.35滿意0.0591-0.57滿意460不滿意0.1150.00滿意0.0592-0.53滿意461不滿意0.113-0.67滿意0.06692.60有問(wèn)題主要統(tǒng)計(jì)參數(shù)檢測(cè)結(jié)果（mg/L）鉛鎘砷結(jié)果數(shù)0.1150.0605NIQR0.0300.0030.002最小值0.07410.0429最大值0.1260.0847RCV2.5%2.6%極差0.230.05190.0418代碼鎘0070.8710.92滿意0.1340.00滿意0.09550.77滿意0100.845-0.67滿意0.130-0.90滿意0.0928-0.06滿意0150.839-1.04滿意0.127-1.57滿意0.0928-0.06滿意0160.8670.67滿意0.132-0.45滿意0.0927-0.09滿意0210.8630.43滿意0.132-0.45滿意0.0920-0.31滿意0270.853-0.18滿意0.133-0.22滿意0.09300.00滿意0310.8902.00滿意0.126-1.80滿意0.1012.45有問(wèn)題0360.8620.37滿意0.1350.22滿意0.09440.43滿意0420.840-0.98滿意0.1380.90滿意0.1012.45有問(wèn)題0460.852-0.25滿意0.132-0.45滿意0.0898-0.98滿意0500.750不滿意0.126-1.80滿意0.09460.49滿意0530.817-2.39有問(wèn)題0.1340.00滿意0.0904-0.80滿意0540.845-0.67滿意0.1350.22滿意0.09550.77滿意0640.8660.61滿意0.1350.22滿意0.0922-0.25滿意0690.8560.00滿意0.1340.00滿意0.09490.58滿意0700.842-0.86滿意0.129-1.12滿意0.0972滿意0800.887滿意0.130-0.90滿意0.0887-1.32滿意0810.841-0.92滿意0.1340.00滿意0.09460.49滿意0870.832-1.47滿意0.1340.00滿意0.0864-2.02有問(wèn)題0930.8590.18滿意0.1340.00滿意0.0924-0.18滿意0960.8560.00滿意0.1350.22滿意0.09450.46滿意0970.736不滿意0.126-1.80滿意0.0970滿意0.8630.43滿意0.130-0.90滿意0.0924-0.18滿意0.8700.86滿意0.1380.90滿意0.0710不滿意0.8640.49滿意0.1340.00滿意0.0912-0.55滿意0.846-0.61滿意0.122-2.70有問(wèn)題0.09450.46滿意0.833-1.41滿意0.1360.45滿意0.09490.58滿意0.850-0.37滿意0.129-1.12滿意0.09380.25滿意0.8630.43滿意0.124-2.25有問(wèn)題0.0911-0.58滿意0.853-0.18滿意0.140滿意0.0910-0.61滿意A1-4-1續(xù)1代碼鎘0.884滿意0.133-0.22滿意0.0897-1.01滿意0.850-0.37滿意0.1380.90滿意0.0870-1.84滿意0.8720.98滿意0.1370.67滿意0.0979滿意0.824-1.96滿意0.157不滿意0.09410.34滿意0.8680.74滿意*0.09540.74滿意0.850-0.37滿意0.132-0.45滿意0.0929-0.03滿意0.834-1.35滿意0.132-0.45滿意0.0912-0.55滿意0.8670.67滿意0.1360.45滿意0.09470.52滿意0.8560.00滿意0.1370.67滿意0.09350.15滿意0.832-1.47滿意0.130-0.90滿意0.0974滿意0.845-0.67滿意0.1360.45滿意0.0992滿意0.854-0.12滿意0.1360.45滿意0.0924-0.18滿意0.817-2.39有問(wèn)題0.133-0.22滿意0.0886-1.35滿意0.848-0.49滿意0.121-2.92有問(wèn)題0.0895-1.07滿意0.854-0.12滿意0.133-0.22滿意0.0987滿意0.840-0.98滿意0.1340.00滿意0.0917-0.40滿意0.8600.25滿意0.1340.00滿意0.0925-0.15滿意0.8640.49滿意0.1360.45滿意0.0993滿意2000.876滿意0.132-0.45滿意0.09570.83滿意2020.947不滿意0.1452.47有問(wèn)題*2090.855-0.06滿意0.1350.22滿意0.0924-0.18滿意2130.940不滿意0.1360.45滿意0.09300.00滿意2190.8630.43滿意0.130-0.90滿意0.0978滿意2230.8560.00滿意0.133-0.22滿意0.0874-1.72滿意229不滿意0.127-1.57滿意0.0677不滿意2310.820-2.21有問(wèn)題0.1340.00滿意*2330.8570.06滿意0.1370.67滿意0.0907-0.71滿意2380.8962.45有問(wèn)題0.113不滿意0.0870-1.84滿意2430.8640.49滿意0.132-0.45滿意0.0909-0.64滿意2440.835-1.29滿意0.1360.45滿意0.09600.92滿意A1-4-1續(xù)2代碼鎘2480.855-0.06滿意0.1360.45滿意0.09982.08有問(wèn)題2530.845-0.67滿意0.130-0.90滿意0.09550.77滿意2540.8660.61滿意0.132-0.45滿意0.0982滿意2560.878滿意0.1340.00滿意0.09440.43滿意2620.884滿意0.1360.45滿意0.0648不滿意2630.839-1.04滿意0.1360.45滿意0.0984滿意2680.8570.06滿意0.1340.00滿意0.09310.03滿意2720.852-0.25滿意0.1340.00滿意0.09610.95滿意2760.8710.92滿意0.107不滿意0.0818不滿意2800.840-0.98滿意0.132-0.45滿意0.09300.00滿意2850.8982.58有問(wèn)題0.148不滿意0.110不滿意2910.875滿意0.127-1.57滿意0.09600.92滿意294*0.133-0.22滿意0.09500.61滿意2980.850-0.37滿意0.1350.22滿意0.0925-0.15滿意3050.845-0.67滿意0.129-1.12滿意0.0920-0.31滿意3090.8660.61滿意0.132-0.45滿意0.0906-0.74滿意3120.855-0.06滿意0.1350.22滿意0.0898-0.98滿意3140.875滿意0.133-0.22滿意0.0888-1.29滿意3200.843-0.80滿意0.129-1.12滿意0.09600.92滿意324不滿意0.121-2.92有問(wèn)題0.0650不滿意3280.852-0.25滿意0.133-0.22滿意0.09400.31滿意3340.8640.49滿意0.133-0.22滿意0.0925-0.15滿意3350.8660.61滿意0.1360.45滿意0.09320.06滿意3390.8902.00滿意0.132-0.45滿意0.0881-1.50滿意3470.8902.00滿意0.141滿意0.0830不滿意3510.850-0.37滿意0.126-1.80滿意0.09600.92滿意3520.8560.00滿意0.139滿意0.0928-0.06滿意355不滿意0.128-1.35滿意0.0950.61滿意3560.826-1.84滿意0.128-1.35滿意0.0898-0.98滿意3630.848-0.49滿意0.1432.02有問(wèn)題0.09590.89滿意A1-4-1續(xù)3代碼鎘3680.853-0.18滿意0.130-0.90滿意0.0990滿意3740.881滿意0.130-0.90滿意0.09300.00滿意375**0.0920-0.31滿意3810.850-0.37滿意0.127-1.57滿意0.09540.74滿意3830.850-0.37滿意0.1340.00滿意0.0993滿意3870.818-2.33有問(wèn)題0.132-0.45滿意0.0917-0.40滿意3920.8600.25滿意0.1340.00滿意0.09400.31滿意3960.883滿意0.127-1.57滿意0.0988滿意4000.8610.31滿意0.133-0.22滿意0.09530.71滿意4040.805不滿意0.1380.90滿意0.0970滿意4070.885滿意0.1360.45滿意0.0916-0.43滿意4090.8650.55滿意0.1340.00滿意0.0917-0.40滿意4150.8590.18滿意0.128-1.35滿意0.09620.98滿意4160.8690.80滿意0.1350.22滿意0.09420.37滿意4220.873滿意0.132-0.45滿意0.09560.80滿意4250.807-2.88有問(wèn)題0.130-0.90滿意0.0912-0.55滿意4310.8640.49滿意0.1360.45滿意0.0918-0.37滿意4320.835-1.29滿意0.126-1.80滿意0.0853-2.36有問(wèn)題4360.829-1.66滿意*未檢出4410.8610.31滿意0.1340.00滿意0.0924-0.18滿意4430.853-0.18滿意0.1360.45滿意0.0928-0.06滿意4470.846-0.61滿意0.141滿意0.0914-0.49滿意4480.844-0.74滿意0.142滿意0.0849-2.48有問(wèn)題4520.823-1.94滿意0.133-0.22滿意0.0901-0.89滿意4550.832-1.47滿意0.1360.45滿意0.0898-0.98滿意462不滿意0.1380.90滿意0.0964滿意主要統(tǒng)計(jì)參數(shù)檢測(cè)結(jié)果（mg/L）鉛鎘砷結(jié)果數(shù)0.8560.1340.0930NIQR0.0160.0040.003最小值0.7360.1070.0648最大值0.1570.110RCV3.3%3.5%極差0.4640.0500.0452A2、參加實(shí)驗(yàn)室檢測(cè)能力比分?jǐn)?shù)柱狀圖5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.0044420320200203623620080080077408965344089653459056414414980980773700914260710512332637009142607105123326413241413241082082405295045029045029353001001043043399399095095參加實(shí)驗(yàn)室5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.0037689801044367010443672821191 39729409342940934174345412240412240296304341參加實(shí)驗(yàn)室5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.00244607688816251789505303323380393398406090101414090101414322371461參加實(shí)驗(yàn)室5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.00628569007276422291314200256374169007276422291314200256374124004473632298351381383328027447363229835138138332802736820924831260874360874404參加實(shí)驗(yàn)室5.002712714.003110510513303.004420231670231672.002673593774200.00413429434100434100071112419430-1.00079079095-2.00-3.00-4.00-5.00參加實(shí)驗(yàn)室5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.00438214278418057068111221232062187099176266284438214278418057068111221232062187099176266284340408397076089226235240251325327341382412444269283386390258參加實(shí)驗(yàn)室5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.0057334821 8118320568118320563282321346379038085206358380414435398313072088078307259279參加實(shí)驗(yàn)室5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.00285 20265340210461512002433093393874220210461512002433093393874223283344000102192533683740102192533683744255911635535641513224參加實(shí)驗(yàn)室3485.003484.002410232410231290743.004560453260733994560453260733992500432.002500432860200120912994170611352860200120912994170611353624101611741.000.00201682950860616829508606289331289331177426029330311257-2.00330311257227006149182434227006149182434-3.00127-4.00127100100-5.00參加實(shí)驗(yàn)室5.004.003.002.000.00-1.00-2.00-3.00-4.00-5.00137397367386228269041376344265047454104164009336283018258382418062277221214357266325278273030184366057139345444252263137397367386228269041376344265047454104164009336283018258382418062277221214357266325278273030184366057139345444252263076971249044327394421300191360372449068187390245參加實(shí)驗(yàn)室注：代碼為408的實(shí)驗(yàn)室檢測(cè)砷的結(jié)果為未檢出。5.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.001.000.00-1.00-2.00-3.00-4.00-5.00282354406282354406 322172060553221720605527946127 llll2422593893073494021242259389307349402130439804900490參加實(shí)驗(yàn)室5.004.003.002.000.00-1.00-2.00-3.00-4.00-5.005.004.003.002.000.00-1.00-2.00-3.00-4.00-5.003 053222442913203512724154620974040532224429132035127241546209740407016621913625426138183391800803141851280463123564554520532333918008031418512804631235645545205322參加實(shí)驗(yàn)室注：代碼為436的實(shí)驗(yàn)室檢測(cè)砷的結(jié)果為未檢出。附錄B、樣品制備和均勻性檢驗(yàn)B1、樣品制備報(bào)告表B1、檢測(cè)樣品的配制值表（濃度單位：mg/L）檢測(cè)項(xiàng)目第一組第二組第三組第四組鉛0.9000.850鎘0.1050.1250.1150.135砷0.08000.07000.06000.0950B2、均勻性檢驗(yàn)報(bào)告以單因素方差分析對(duì)樣品的均勻性不確定度進(jìn)行評(píng)估。方差分析統(tǒng)計(jì)量的計(jì)算參見表B2、第一組樣品中鉛均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.9110.9390.9020.9170.90220.8740.8920.8920.88630.8920.9020.8740.88940.8920.9110.8740.89250.9110.9300.9300.92460.8920.9020.8830.89270.9300.9110.8830.90880.9110.8830.9110.90290.9390.9020.9110.9170.9020.9020.8830.896方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間4.85E-0395.39E-04瓶?jī)?nèi)5.09E-03202.55E-04瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果-MS內(nèi).)/n0.01mg/L均勻性檢驗(yàn)結(jié)論本樣品中鉛元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃鉛檢測(cè)的預(yù)期不確定度（0.03mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中鉛元素的均勻性良好。表B3、第一組樣品中鎘均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.1050.1020.1050.1040.10420.1050.1040.1020.10430.1040.1050.1040.10440.1050.1040.1020.10450.1020.1050.1040.10460.1040.1040.1040.10470.1040.1060.1020.10480.1050.1030.1040.10490.1050.1050.1030.1040.1050.1030.1040.104方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間9瓶?jī)?nèi)3.53E-0520瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果0.0005mg/L均勻性檢驗(yàn)結(jié)論本樣品中鎘元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃鎘檢測(cè)的預(yù)期不確定度（0.004mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中鎘元素的均勻性良好。表B4、第一組樣品中砷均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.08080.07870.08150.08040.079520.07870.07840.07880.078630.08290.07800.07750.079540.07990.08080.08240.081050.07840.08120.07790.079260.08030.07980.08010.080170.07910.07850.08010.079280.08020.08050.07900.079990.07770.07810.07960.07850.07870.07850.08020.0791方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間9瓶?jī)?nèi)3.8034E-0520瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果·(MS內(nèi)/n)2/v內(nèi)0.0005mg/L均勻性檢驗(yàn)結(jié)論本樣品中砷元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃砷檢測(cè)的預(yù)期不確定度（0.003mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中砷元素的均勻性良好。表B5、第二組樣品中鉛均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值123456789方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間5.36E-0395.95E-04瓶?jī)?nèi)207.77E-04瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果·2/v內(nèi)0.01mg/L均勻性檢驗(yàn)結(jié)論本樣品中鉛元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃鉛檢測(cè)的預(yù)期不確定度（0.03mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中鉛元素的均勻性良好。表B6、第二組樣品中鎘均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.1240.1250.1220.1240.12620.1260.1240.1240.12530.1250.1260.1250.12540.1250.1270.1270.12650.1240.1270.1250.12560.1260.1260.1260.12670.1280.1240.1250.12680.1270.1280.1240.12690.1240.1270.1280.1260.1250.1250.1290.126方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間2.12E-0592.36E-06瓶?jī)?nèi)5.20E-05202.60E-06瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果0.0006mg/L均勻性檢驗(yàn)結(jié)論本樣品中鎘元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃鎘檢測(cè)的預(yù)期不確定度（0.004mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中鎘元素的均勻性良好。表B7、第二組樣品中砷均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.07080.07020.06800.06970.069320.07170.06850.06940.069930.06910.06860.06860.068840.06980.06960.07050.070050.06750.06900.07010.068960.07020.06980.06910.069770.06870.06790.07060.069180.07020.06880.06780.068990.06980.06790.06840.06870.06890.07000.06890.0693方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間5.90685E-0696.56E-07瓶?jī)?nèi)2.36825E-0520瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果0.0004mg/L均勻性檢驗(yàn)結(jié)論本樣品中砷元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃砷檢測(cè)的預(yù)期不確定度（0.003mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中砷元素的均勻性良好。表B8、第三組樣品中鉛均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值123456789方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間9瓶?jī)?nèi)206.05E-04瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果0.008mg/L均勻性檢驗(yàn)結(jié)論本樣品中鉛元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃鉛檢測(cè)的預(yù)期不確定度（0.03mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中鉛元素的均勻性良好。表B9、第三組樣品中鎘均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.1150.1160.1170.1160.11720.1160.1170.1180.11730.1170.1150.1150.11640.1210.1170.1170.11850.1150.1170.1150.11660.1170.1170.1210.11870.1170.1200.1170.11880.1190.1170.1150.11790.1150.1180.1180.1170.1210.1210.1170.120方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間4.65E-059瓶?jī)?nèi)203.07E-06瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果0.0009mg/L均勻性檢驗(yàn)結(jié)論本樣品中鎘元素的瓶間均勻性不確定度與本次能力驗(yàn)證計(jì)劃鎘檢測(cè)的預(yù)期不確定度（0.004mg/L）相比可以忽略不計(jì)，因此，可認(rèn)為本樣品中鎘元素的均勻性良好。表B10、第三組樣品中砷均勻性檢驗(yàn)數(shù)據(jù)與結(jié)果試樣編號(hào)測(cè)定數(shù)據(jù)（mg/L）123均值總均值10.05970.06070.05900.05980.059620.06190.06080.05930.060630.06040.05790.05790.058740.05960.06110.05740.059450.06120.05790.05820.059160.05840.05980.05660.058370.05910.06160.06210.060980.05980.05900.06180.060290.06250.05770.06150.06060.05820.05790.05850.0582方差統(tǒng)計(jì)分析結(jié)果變化來(lái)源平方和SS均方MS瓶間2.66766E-0592.96E-06瓶?jī)?nèi)4.98982E-05202.49E-06瓶間均勻性不確定度計(jì)算計(jì)算公式計(jì)算結(jié)果·2/v內(nèi)0.0005mg/L均勻性檢驗(yàn)結(jié)論本樣品中砷元素的瓶