检测实验室盲样考核及其质量控制

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1,2,3,3,4(1.,201108;2.,201613;3.,201306;4.,401120):。,,、、,,。:;;:X8:A:1674-4829(2011)S2-0076-03CMA/CNAS,,[1]。,[2]。,。1:;;;。:、、、。:、、、、、、、、、、、[3-5]。、、。。22.1、、、、5。,,、;,,;,;、、、、、、,;、、;、。、、,。:2011-06-07:(1981-),,,,,.DetectionofBlindSamplesandQualityControlinTestingLabLULi-li,XIAJie,TAOXian-ji,WEIHua,HUJia-wenAbstract:Detectionofblindsamplesisindispensabletoatestinglab.Theprocessofdetectionofblindsamplesinatestinglabandtheirrelativequalitycontrolwerediscussed.Typicalcasessuchasphysicalandchemicalanalysis,atomicabsorptionandgaschromatographywereintroducedandanalyzed.Differentstrategiesandmethodsoftesting,andtheprocessandresultsofqualitycontrolwerediscussedwhicharepractical.Keywords:Lab;Detectionofblindsample;Qualitycontrol242201112EnvironmentalScienceandTechnologyVol.24Supp.2Dec.2011EnvironmentalScienceandTechnology2422.2、,。,。,。。,。,。,。。,、,。,。。,,。2.3,、、、,。。,、、、,。,。,、、、,,。2.4《ISO13528》(Z)。|Z|≤1,;1<|Z|≤2,;2<|Z|≤3,,;|Z|>3,,。EPA,,:|Z|≤0.15,(excellent);0.15<|Z|≤0.32,(good);0.32<|Z|≤1.65,(satisfactory);1.65<|Z|≤2.00,(opportunity);|Z|>2,(concern/unacceptable)。33.1。,。,,,。,,2‰,1‰,。。,Z1.32。,。,。,,,0.5~1mL,,10~15mL。,。,。,。3.2。,,50mL。0.713±0.062mg/L,0.651~0.775mg/L。0.679mg/L,-4.8%,0.780mg/L。,、,、。,。、、、,。,。。3.3FID,,,。,,。,,。,,,。,,,,30%。,。,。(±100%)。,。,±20%()。GCl22[6],,6000,FID。N240mL/min,80℃,140℃,140℃。77201112:、、;;6Q;;。3.4,10-6。;,,。,。,。3.5,、。,,,<0.998,。,1mL,。,Na2S2O31/2,1/2Na2S2O3,,。3.6,4,0.346,0.379,0.392,0.442mg/L,。,14,Q。0.442,4Q0.52<Q0.900.76,0.442。0.390。,,,。,,(),。,[7]。,,,。;、,;、、、、。,,,。,,,。,、、,[8]。4,、。,,。,,。、、,,,。,、,;、,,。[][1],.[J].,2003(2):43-45.[2]《》.[M].4.:,2002.[3].[J].,2008,21(S2):52-53.[4].[J].(),2004(2):41-44.[5],,,.FAPAS[J].,2008,25(4):371-374.[6],,.[J].,2002(1):103-104.[7],,.[M].:,2006.[8],,.[J].,2006(3):498-499.()78

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