高纯硅溶胶成分标准物质稳定性研究13

(,250031)(,010076),pH,,1,,:mSiO2H2O,,SiO2[1],SiO2;,SiO2,,[2],,,,(),,pHSiO2,1a,16,1,,,,pH,,,10g/g,21%25%,,2pH,SiO2,,,,,,,,,pH,,2.1pHpHpH210,;pH2,;pH20pH8.510,;pH10,;pH4;pH2,,pH2.5,,2a:200621222142007,16,22.2,,,,,SiO223%,510nm1015nm1525nm2535nm35nm5,525nm12,25nm12,1015nm,,2.3,pH,,,;,,,;,,pH3.5,500mg/kg,16;1000mg/kg,12;2000mg/kg,3pH3.5,,,,500mg/kg,122.4,SiO2,,,,,,,;,;,,,,,pH,,,,2.5,,1530,,,;0,,,3,,3.1,,0.5nm,,23nm,;pH,pH;,,,,1015nm,3.2pH,,,,pH34,,pH,,pH22.5,,5,:3.3,901h,,,3.4,,,1535,164,,,,,,,,16,,1(,)1,13g/g/NaKCa123x123x123x1021.021.220.821.010.110.610.410.410.411.110.810.8320.620.921.120.910.110.310.710.410.711.510.811.0620.519.721.620.610.410.610.810.610.611.310.410.81220.921.321.121.110.711.110.810.910.110.610.410.41621.521.821.221.510.810.411.110.810.110.310.710.42040.140.640.440.421.121.621.421.4----341.141.340.841.121.720.221.821.2----641.441.141.341.321.921.921.621.8----1239.741.239.840.220.220.521.720.8----1641.241.540.741.120.120.321.720.7----30----39.839.740.740.149.849.550.950.13----40.739.940.840.550.550.650.750.66----41.140.739.940.851.150.551.751.112----40.540.640.440.550.751.350.850.816----41.241.540.941.352.251.550.751.54079.680.679.479.9----69.670.671.470.5380.279.881.280.4----70.271.871.271.1680.781.480.680.8----70.770.771.971.11281.880.882.781.8----72.671.772.772.31680.782.683.382.2----73.472.873.373.25099.899.699.499.6100.599.6100.3100.199.599.199.299.3399.899.7100.9100.2100.5100.8100.6100.699.699.599.599.56101.7100.7101.4101.3100.7101.4100.7100.999.599.599.799.612103.7101.6102.6102.699.8100.299.699.899.599.699.399.416102.2104.4103.2103.399.699.8100.8100.1100.7100.999.7100.45(1),,,(2)pHSiO2,[1],,.[J].,1993(10):19-20.[2].[M].:,2001:180-183.62007,16,2STABILITYOFHIGH-PURITYSILICASOLCOMPONENTREFERENCEMATERIALWangShaoming,ZhaoHua,WangAiping,XunQiningYunJunxian(CNGCInstitute53,Jinan250031,China)(HongxiaState-RunChemicalIndustryPlant,Huhhot010076,China)ABSTRACTTheeffectofpreparationproceedingofhigh-puritysilicasolreferencematerialonstabilitywasintroduced.Ac2cordingtophysicalandchemicalpropertyofhigh-puritysilicasol,themainfactorssuchaspHvalue,particledistributionandelectro2lytewerestudied.Mmeasuresweretakentomaintainthestabilityofhigh-puritysilicasol,whichsolvedtheproblemofstabilityofhigh-puritysilicasolcomponentreferencematerial.Thereferencematerialscankeepsteadymorethanoneyear.KEYWORDShigh-puritysilicasol,referencematerial,stability,particledistribution,electrolyte:(1),,,,,,,,;,;,,(2),,,:p-Fmos()-;:;,,(),CD-Rom,,,:(3),,,,(4)ISO9001ISO9002GMPFDA,,,Internet,,,,MerckKGaA,199419987.2%8.4%7.4%6.7%7.7%(5),,,,,,,,20,Sigma-A1drich,,()Hygiena-International,,,,15%70%2430h,,,Hygiena,,()7,: