珠光云母Thefollowingmerchandisewassubmittedandidentifienbytheclientas：Typeofproduct:MICAPOWDERManufacturer/Vendor:TAIWANDAHHERMININGCHEMISTRYCO.,LTD.TestRequired:1）ChemicalanalysisandPhysicalProperties.2）He***ymetalcontentsofsubmittedsericitepowder.3）Bacteriologicaltest.TestMethod:1）Thepowderwasdigestedinconcentcatednitricacid.Analysisbyatomicadsorptiontechniques.2)TotalPlateCount-USFDABacteriologicalAnalyticalmanual6THEdition,1984.Chapter1andchapter4.TestResults：1)ChemicalanalysisandPhysicalPropertiesWhitenss(白度)92%GEBulkDensity(容积比重)0.40g/cm3SpecificGr***ity(原矿比重)2.6g/cm3LossonIgnition(烧热减量)2.00ParticleSize(平均粒径)5μmSiliconDioxide(二氧化硅)50.5%Aluminumoxide(三氧化二铝)33.6%Potassiumoxide(氧化钾)11.2%Magnesiumoxide(氧化镁)1.53%Ferricoxide(三氧化二铁)0.15%2)He***ymetal(***)Lead(铅)┄┄┄┄┄┄┄┄┄┄┄┄┄Lessthan3ppmAntimony(锑)┄┄┄┄┄┄┄┄┄┄┄┄┄Lessthan1ppmArsenic(***)┄┄┄┄┄┄┄┄┄┄┄┄┄Lessthan3ppmBarium(钡)┄┄┄┄┄┄┄┄┄DidNotimpartGreencolorCadmium(镉)┄┄┄┄┄┄┄┄┄┄┄┄┄Lessthan1ppmChromium(铬)┄┄┄┄┄┄┄┄┄┄┄┄┄Lessthan1ppmMercury(***)┄┄┄┄┄┄┄┄┄┄┄┄┄Lessthan1ppmIron(铁)┄┄┄┄┄┄┄┄┄┄┄┄┄┈┈┈0.2%PPm=PartsPermillion(mg/kg)3)BacteriologicaltestTotalPlateCount---------------------40/gm)