DrugStandardsofChina2012Vol.13No.1201213133。Tel010-67095313E-maillujing@nicpbp.org.cn··1231.1000502.1320003.100061、IUPACICH。R921.2A1009-36562012-1-33-3DiscussionontheDetectingMethodsforLimitofDetectionandLimitofQuantificationinValidationofAnalyticalMethodLuJing1FuLingyan2WangXu31.NationalInstitutesforFoodandDrugControlBeijing1000502.JilinCityInstituteforDrugControlofJilinProvinceJilin1320013.PharmacopoeiaCommissionofthePeople’sRepublicofChinaBeijing100061AbstractTheconceptsanddetectingmethodsforLimitofDetectionandLimitofQuantificationwerediscussedbasedontheanalysisandcomparisonwithIUPACICHandtheotherrelatedfieldsdomestic.Severaldifferentdetectionmethodswerecomparedbythetestexperiments.Thesuggestionswereputforwardfortheprovisionofthedetectingmethods.Keywordslimitofdetectionlimitofquantification《》2005“”“”、。2010《》。、、。1“”1“”。“”“”。“”“”“”。。2-3。1.1“”4-6。1975IUPAC。IUPAC“”。1998IUPAC《》IUPACCompendiumofAnalysisNomencla-ture7xLCLqL20。CL=ksb/mCL-m-sb-k-23。ICH1996201213134DrugStandardsofChina2012Vol.13No.18DL=3.3σSσ-S-。σ。1.2ICH83371.2.1。。1mL0.04mg。1mL10mL1~9μL0.0040.0120.0200.0280.036μg1μL3μL0.040.12μg、0.012μg1。11~70.004μg~0.12μg891.2.23∶12∶1。。1.2.3。、。12~20CL=kisic珔XCL-ki-23si-c-珚X-。ICH。1.2.49-10σsosi。IUPAC。0IUPAC2。2VBxXi。Xi±VBx0aVBYaYcX0Xc=VBxX=0YNXNYN=a+2VBYXN=YN-abDrugStandardsofChina2012Vol.13No.1201213135a-b-abSYXcXNXB。MDLEstimator。4AgilentTC-C18-20mmol·L-10~15min5%→15%15~25min15%→45%。、、、1mL0.1mg0.5g75%10mL15min2mL0.250.50.751.01.25mL70%5mL。5μL5。MDLEstimatorMDL、ICH、。3μg·mL-11。13DL=3.3σSCL=kisic珚XMDLEstimator0.01930.01840.02550.00740.00730.01270.00740.00870.01840.00150.00150.0035ICH。2。ICH。2“”“”、。“。。。10∶1”。ICH、。《》。1016。RSD%<3%/<2%。QL=10σSσ-S-。。“<”。。3“”“”。。“”。。。、。1S.2010..2010.130-131.2.J.200716372-73.3.J.20084272155-157.4GB/T13966-1992S.5GB/T4470-1998、S.6GB/T5009.1-2003S.7IUPACCompendiumofAnalyticalNomenclature1998.8ICH.ValidationofAnalyticalProceduresMethodologyQ2B.9.—IUPACJ.199321101232-1236.10.J.199615676-80.