作者:标准资料网 时间:2024-05-14 08:43:28   浏览:8454   来源:标准资料网

【英文标准名称】:StandardTestMethodforParticleSizeDistributionofAluminaorQuartzbyElectricSensingZoneTechnique
【原文标准名称】:用电感应区域法测定矾土或石英粒度分布的标准试验方法
【标准号】:ASTMC690-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C21.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石英;陶瓷;试验;矾土;粒度测量
【英文主题词】:alumina;particlesize;quartz;sensingzone
【摘要】:Thistestmethodisusefultobothsellersandpurchasersofaluminaandquartzpowdersfordeterminingparticlesizedistributionsformaterialsspecifications,manufacturingcontrol,anddevelopmentandresearch.1.1Thistestmethod,oneofseveralfoundvaluableforthemeasurementofparticlesize,coversthedeterminationoftheparticlesizedistributionofaluminaorquartzpowders(0.6to56.0m)usingelectricalsensingzoneparticlesizeanalyzers.Theseinstrumentsuseanelectriccurrentpathofsmalldimensionswhichismodulatedbyindividualparticlepassagethroughanaperture,andproducesindividualpulsesofamplitudeproportionaltotheparticlevolume.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D53
【国际标准分类号】:81_060_10
【页数】:4P.;A4
【正文语种】: