超微细·滑石粉Mesars:MEILIMEICHEMICALMININGCO；LTD.Thefollowingmerchandisewassubmittedandidentifienbytheclientas：Typeofproduct：TALCMISTRONVAPORPOWDERManufacturer/Vendor：TAIWANDAHHERMININGCHEMISTRYCO.，LTD.Countryoforigin：CHINATestRequired:1）ChemicalanalysisandPhysicalProperties.2）He***ymetalcontentsofsubmittedsericitepowder.3）Bacteriologicaltest.TestMethod:1）Thepowderwasdigestedinconcentcatednitricacid.Analysisbyatomicabsorptiontechniques.2）TotalPlateCount－USFDABacteriologicalAnalyticalmanual6THEdition.1984.Chapter1andchapter4.TestResults：1)ChemicalanalysisandPhysicalPropertiesWhitenss(白度)95%GEBulkDensity(***重)0.45g/cm3SpecificGr***ity(原矿比重)2.7g/cm3LossonIgnition(烧热减量)4.51ParticleSize(粒径细度)6μmSiliconDioxide(二氧化硅)58.52%Aluminumoxide(三氧化铝)1.62%Potassiumoxide(氧化钾)4.22%Magnesiumoxide(氧化镁)33.5%Ferricoxide(三氧化二铁)0.01%TestResults：2)He***ymetal(***)Lead(铅)┈┈┈┈┈┈┈┈┈┈┄┄Lessthan3ppmAntimony(锑)┈┈┈┈┈┈┈┈┈┈┄┄Lessthan1ppmArsenic(***)┈┈┈┈┈┈┈┈┈┈┄┄Lessthan3ppmBarium(钡)┈┈┈┈┈┈┈┈DidNotimpartGreencolorCadmium(镉)┈┈┈┈┈┈┈┈┈┈┄┄Lessthan1ppmChromium(铬)┈┈┈┈┈┈┈┈┈┈┄┄Lessthan1ppmMercury(***)┈┈┈┈┈┈┈┈┈┈┄┄Lessthan1ppmIron(铁)┈┈┈┈┈┈┈┈┈┈┄┄┈┈0.1%PPm=PartsPermillion(mg/kg)3)BacteriologicaltestTotalPlateCount-------------------40/gm)