StandardReferenceMaterials简称(SRMs)是美国***标准技术局(NationalInstituteofStanda***andTechnology，NIST)制定的“标准参照样品(SRM)”共有1200多种，每种标样都有美国***标准技术局的详细分析报告和用途说明。SRM标准参照样品的适用范围：(1)帮助开发准确的分析方法；(2)用于校正检测仪器，质量控制，和测定检出极限；(3)保证检测方法可靠性和长久稳定性。详情请致电美同达***专线：010-52457811/010-88482632/010-524578121dLimestone,Argillaceous70g4lCastIron150g5mCastIron150g6gCastIron150g8kBessemerSteel(Simulated),0.1%Carbon150g12hCarbonSteel,0.4C150g13gCarbonSteel,0.6C150g14gCarbonSteel,0.8C150g15hCarbonSteel,0.1C150g16fBasicOpen-HearthSteel,1%carbon150g17fSucroseOpticalRotation60g19hCarbonSteel,0.2C150g20gCarbonSteel150g25dManganeseOre60g30fLASteel,Cr-V(SAE6150)150g32eLASteel,Ni-Cr(SAE3140)150g33eLASteel,Ni-Mo(SAE4820)150g36bLASteel,Cr-Mo150g39jBenzoicAcid(CalorimetricStandard)30g45dCuFreezingPoint450g46hPortlandCementFinenessStd10x5g49eLeadFreezingPoint600g50cTungsten-Chromium-VanadiumSteel150g53eBearingMetal(84Pb-10Sb-6Sn)150g57bSiliconMetal40g58aFerrosilicon(73%Si)75g59aFerrosilicon50g64cFerrochromium,HighCarbon100g68cFerromanganese,HighCarbon100g69bBauxite(Arkansas)60g70aFeldspar,Potash40g72gLASteel(AISI4130)150g73cStainlessSteel,Cr(SAE420)150g76aBurntRefractory(Al203-40%)75g77aBurntRefractory(Al203-60%)75g78aBurntRefractory(Al203-70%)75g79aFluorspar,CustomsGrade120g81aGlassSand75g82bCastIron(Ni-Cr)150g84kPotassiumHydrogenPhthalate60g87aAluminum-SiliconAlloy75g88bDolomiticLimestone75g89Glass,LeadBarium45g92Low-Boron,Soda-LimePowder45g93aHigh-BoronBorosilicatewafer94cZinc-BaseDieCastingAlloy150g97bFlintClay60g98bPlasticClay60g100bLASteel,Manganese(SAE(T340)150g101gStainlessSteel(AISI304L)100g106bLASteel,Cr-Mo-Al(NitralloyrG)150g107cCastIron(Ni-Cr-Mo)150g113bZincConcentrate100g114qPortlandCementFinenessStdset(20)115aCastIron(Cu-Ni-Cr)150g120cPhosphateRock(Florida)90g121dStainlessSteel,Cr-Ni-Ti(AISI321)150g122iCastIron150g123cStainlessSteel,Cr-Ni-Nb(AISI348)150g126cHighAlloySteel,HighNickel150g129cLASteel,HighSulfur(SAE112)150g131gLowAlloySiliconSteel150g132bToolSteel(AISIM2)150g133bStainlessSteelCr-13,Mo-0.3,S-0.3150g134aToolSteel,Mo-W-Cr-V150g136fPotassiumDichromate,(OxidimetricStandard)60g139bLASteel,Cr-Ni-Mo(AISI8640)150g141dAcetanilide2g142AnisicAcid2g148NicotinicAcid2g152aCarbonSteel,0.5C150g154cTitaniumDioxide90g155LASteel,Cr-W150g158aBronze,Silicon150g160bStainlessSteel,Cr-Ni-Mo(AISI316)150g163LASteel,1.0C100g165aGlassSand(LowIron)75g166cStainlessSteel,CarbonOnly100g173cTitaniumAlloy(6Al-4V)50g179LASteel,HighSilicon150g180Fluorspar,HighGrade120g181LithiumOre(Spodumene)45g182LithiumOre(Petalite)45g183LithiumOre(Lepidolite)45g185hPotassiumHydrogenPhthalate,pHStandard60G186gpHStanda***,(setof186-I-g+186-II-g)set187eSodiumTetraborate(Borax),pH30g188PotassiumHydrogenTartrate,pH60g191cpHStanda***set(2)193PotassiumNitrate90g194AmmoniumDihydrogenPhosphate90g195Ferrosilicon(75%Si-HPGrade)75g196Ferrochromium,LowCarbon100g198SilicaBrick45g199SilicaBrick45g200aPotassiumDihydrogenPhosphate90g211dTolueneLiquidDensity4x5mL276bTungstenCarbide75g277TungstenConcentrate100g278ObsidianRock35g291LASteel,Cr-Mo(ASTMA213)150g293LASteel,Cr-Ni-Mo(AISI8620)150g331aCopperOreMillTails40g334GrayCastIron(Carbon&Sulfur)150g338WhiteCastIron(Carbon&Sulfur)150g339StainlessSteel,Cr-Ni-Se(SAE30)150g341DuctileCastIron150g342aNodularCastIron150g343aStainlessSteel(AISI431)150g344HASteel,(MoPrecipitationHardening)150g345aHASteel,(CuPrecipitationHardening)150g346aValveSteel150g347MagnesiumFerrosilicon100g348aHiTemp.Alloy,(A286)Ni-Cr150g349aWaspaloy150g350bBenzoicAcid(Acidimetric)30g351aSodiumCarbonate50g361AISI4340Steel150g363Chromium-VanadiumSteel(Modified)150g364LASteel,HighC(mod.)150g368CarbonSteel(AISI1211)150g399UnalloyedCopperVI(chips)50g400UnalloyedCopperVII(chips)50g454UnalloyedCopperXI(chips)35g457UnalloyedCopperIV(solid)rod458Beryllium-Copper(17510)50g459Beryllium-Copper(17200)50g460Beryllium-Copper(17300)50g480Tungsten-MolybdenumEPMAdisk481Gold-SilverEPMAset(6)482Gold-CopperEPMAset(6)494UnalloyedCopperI(solid)rod495UnalloyedCopperII(solid)rod498UnalloyedCopperV(solid)rod499UnalloyedCopperVI(solid)rod500UnalloyedCopperVII(solid)rod600Bauxite,Australian-DarlingRange90g607PotassiumFeldspar5g610TraceElementsinGlass6wafers611TraceElementsinGlass6wafers612TraceElementsinGlass6wafers613TraceElementsinGlass6wafers614TraceElementsinGlass6wafers615TraceElementsinGlass6wafers616TraceElementsinGlass6wafers617TraceElementsinGlass6wafers620SodaLime,Flatset(3)621Soda-LimeContainerset(3)622Soda-LimeSilica(Durability)2.2kg623Borosilicate(Durability)2.2kg624Lead-Silica,fordcresistivity200g625Zinc-BaseAblock626Zinc-BaseBblock627Zinc-BaseCblock628Zinc-BaseDblock629Zinc-BaseE-ASTMAC41Adisk630Zinc-BaseFblock631ZincSpelter(mod.)block634aPortlandCement100g641TitaniumAlloy,8Mn(A)disk642TitaniumAlloy,8Mn(B)disk643TitaniumAlloy,8Mn(C)disk647TitaniumAlloy,Al-Mo-Sn-Zr50g648TitaniumAlloy,Al-Sn-Zr-Cr-Mo50g649TitaniumAlloy,V-Al-Cr-Sn50g650UnalloyedTitaniumA30g651UnalloyedTitaniumB30g654bTitaniumAlloy,Al-Vdisk656SiliconNitridePowdersforQuantitativeAnalysis2x10g659ParticleSizeDistributionStandardforSedigraphCalibrationset(5)663Chromium-VanadiumSteel(Modified)5rods665ElectrolyticIron5rods670RutileOre90g671NickelOxide125g672NickelOxide225g673NickelOxide325g674bX-RayPowderDiffraction,IntensitySetQuantAnalysis10.00g(powder)675LinePosition,Mica(XRD)7.5g676aAluminaPowderforQuantitativeAnalysisbyX-rayDiffraction20g679BrickClay75g680A-L1HighPurityPlatinum10cm682HighPurityZincblock683Zinc,Metalblock685rHighPurityGoldrod15g685wHighPurityGoldwire3.2g688BasaltRock60g689FerrochromiumSilicon100gpow690IronOreCanada100g691IronOxide,Reduced100g692IronOre,Labrador100g693IronOre,Nimba100g694PhosphateRock,Western90g695TraceElementsinMulti-NutrientFertilizer70g696Bauxite,Surinam60g697Bauxite,Dominican60g698Bauxite,Jamaican60g699Alumina(ReductionGrade)60g705aPolystyrene5g706aPolystyrene18g)