【英文标准名称】:Sodiumandpotassiumsilicatesforindustrialuse;Determinationofdensityat20degreesCofproductsinsolution;Methodusingdensityhydrometerandmethodusingpyknometer
【原文标准名称】:工业用硅酸钠和硅酸钾20℃溶液产品的密度测定密度计法和比重瓶法
【标准号】:ISO1687-1976
【标准状态】:作废
【国别】:国际
【发布日期】:1976-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:可溶物质;试验;材料;密度测量;比重瓶测量分析法;密度(质量/体积);流体比重计;硅酸钾;硅酸钠;(液体)比重测定分析;钾;钠
【英文主题词】:testing;potassiumsilicates;tests;sodiumsilicates;density(mass/volume);areometricanalysis;pycnometricanalysis;hydrometers;solublematter;densitymeasurement;materials;potassium;sodium
【摘要】:Specifiestwomethodsforthedeterminationofdensity.Themethodusingpyknometeristobepreferredinthecaseofdisputeorofhighviscositysolutions.Theprincipleofthemethodusingadensityhydrometerisbasedonpouringthetestsampleintoameasuringcylinderandinsertingthehydrometerselectedfromthetestofdensityhydrometers,waitingforitsreturntotheequilibriumpositionandrecordingofthegraduationmark.Theprincipleofthemethodusingapyknometerconsistsinmeasurementofthemassofthevolume.Thevolumeisdeterminedbymeasuringthecorrespondingmassofwaterat20?C,andcalculationoftheratioofthemassofthesampletoitsvolume.
【中国标准分类号】:G10
【国际标准分类号】:
【页数】:3P;A4
【正文语种】:英语