对黑体炉有效发射率值标定的探讨-宋学青

650228：。。：：O432；TB932：A：1674-5124（2009）06-0028-02DiscussionofeffectiveemissivitycalibrationforblackbodyfurnaceSONGXue-qingYunnanInstituteofMetrologyandTestingTechnologyKunming650228ChinaAbstract:Blackbodyfurnaceisessentialequipmentintemperaturemeasurement.Innon-contacttemperaturemeasurementitisatemperaturemeasurementstandarddeviceininstrumentcalibration.Atthesametimeitisastandardtemperaturesource.Blackbodyfurnaceplaysapivotalroleinourcountry’stransferradiationthermometerdiagram.Thevalueεoftheeffectiveemissivityofblackbodycavityradiationisanimportantparameterindescribingthequalityofblackbodyfurnace.Butthereisnotassociatedcalibrationmethodwhichleadstoresultingconfusioninthetemperaturemeasurement.Thusblackbodymustbetracedtothesourceofbenchmarkblackbody.Keywords:TemperaturemeasurementCalibrationBlackbodyEffectiveemissivityRadiationcharacteristic：2009-06-03；：2009-08-25：1963-。1、、I、M、E、Lε0。、、-50℃～3000℃、。,。εε。22.1、、、。1QQαQρQτ。Q=Qα+Qρ+QτQαQ+QρQ+QτQ=1356200911CHINAMEASUREMENT&TESTVol.35No.6November20091、QQaQPQτ356QαQ、QρQQτQ、α、ρτ。α+ρ+τ=1111。、。2.2α=1。。。E1α1=E2α2=…=Eα=Eba。。b1。cε=E/Ebε=α。。ε=1。3aMλT=C1λ-5·eC2λT-1-1W/m3C1———3.742×10-16W/m2C2———1.4388×10-2m·KT———λ———m。bMeλT=C1ελλ-5·eC2λT-1-1W/m3ελελ=ε0=。λmaxλmax=2.898/Tμm4ε1。TR=LL=ε2。EaEe。3λmaxT=2898λmax。εε。2080《》εε。ε。6。ε0.9ε0.99。5εεε。（80）29200911。ε、、、、ε。、ε。6。εε、。。[1]GGJ415-2001[S]．2001．[2].[M]．1989．[3].[J]．19804125-132.[4].[M].1982.（29）Cu/（μg·mL-1）As/（ng·mL-1）Cd/（ng·mL-1）Pb/（ng·mL-1）Hg/（ng·mL-1）10.01176.6046.08161.6039.7912.99\86.34223.814.6056.071\467.0343.811.439.561\112.5202.28.3913.47\5.815\9.7338.844163.675.03301.73.29011.65221.6103.5437.39.444.840498.324.99588.239.526.795179.1126.2624.422.343.847326.132.34451.41.8633Cu/（μg·mL-1）As/（μg·mL-1）Cd/（ng·mL-1）Pb/（μg·mL-1）Hg/（ng·mL-1）14.390.662360.640.793314.1810.550.979858.670.79419.24010.461.006284.211.4306.5229.5120.481052.071.2405.31412.930.8248367.91.75819.6115.690.628665.041.51927.5315.461.467105.84.310125.913.741.16089.892.71691.8513.990.6160103.71.25548.4713.621.07993.121.81393.504Au。35。。4。-ICP-MS5。、。[1].[J].200719688-90.[2].[J].2009202187-190.[3].[J].200926561-63.[4].、[J].2007382310-312.[5].ICP-MS13[J].200540151184-1187.[6].[J].20081013-7.[7].ICP-MS54[J].2009202151-152.[8].34[J].20092061435-1437.[9].-、、、、[J].2008255388-392.[10].ICP-MS5[J].2009243358-360.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!80