ASTM C 1300-1995 用干涉法测定玻璃原料和卫生陶瓷材料线性热膨胀的标准试验方法

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【英文标准名称】:StandardPracticeforCalculationandAdjustmentofSulfateScalingSalts(CaSO4,SrSO4,andBaSO4)forReverseOsmosisandNanofiltration
【原文标准名称】:反渗透用硫酸盐类换算盐分(CaSO4,SrSO4和BaSO4)计算和校正的标准实施规程
【标准号】:ASTMD4692-2001(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D19.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:水;数学计算;仪表刻度
【英文主题词】:barium;calcium;membranefouling;membranescaling;nanofiltration;reverseosmosis;strontium;sulfatescaling:
【摘要】:Inthedesignandoperationofreverseosmosisandnanofiltrationinstallations,itisimportanttopredicttheCaSO4,SrSO4,andBaSO4scalingpropertiesoftheconcentratestream.Becauseoftheincreaseintotaldissolvedsolidsandtheincreaseinconcentrationofthescalingsalts,thescalingpropertiesoftheconcentratestreamwillbequitedifferentfromthoseofthefeedsolution.Thispracticepermitsthecalculationofthescalingpotentialfortheconcentratestreamfromthefeedwateranalysesandthereverseosmosisornanofiltrationoperatingparameters.ScalingbyCaSO4,SrSO4,andBaSO4willadverselyaffectthereverseosmosisornanofiltrationperformance.Thispracticegivesvariousproceduresforthepreventionofscaling.1.1Thispracticecoversthecalculationandadjustmentofcalcium,strontium,andbariumsulfatesfortheconcentratestreamofareverseosmosisornanofiltrationsystem.Thecalculationsareusedtodeterminetheneedforscalecontrolintheoperationanddesignofreverseosmosisandnanofiltrationinstallations.Thispracticeisapplicableforalltypesofreverseosmosisdevices(tubular,spiralwound,andhollowfiber)andnanofiltrationdevices.1.2Thispracticeisapplicabletobothbrackishwatersandseawaters.
【中国标准分类号】:G12
【国际标准分类号】:71_120_99
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:StandardSpecificationforGALFAN(Zinc-5%Aluminum-Mischmetal)AlloyinIngotFormforHot-DipCoatings
【原文标准名称】:热浸涂层用锭铁模型中GALFAN(锌-5%铝-含铈稀土)合金的标准规范
【标准号】:ASTMB750-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B02.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:合金;铝;涂层;镀锌;热浸镀锌;锭铁块;有色金属;锌
【英文主题词】:GALFAN;hotdipcoatingalloy;zincalloy;zinc-5%aluminummischmetalalloy
【摘要】:1.1ThisspecificationcoversGALFAN,zinc-5%aluminum-mischmetal(Zn-5Al-MM)alloy(UNSZ38510)iningotformforremeltingforuseintheproductionofhot-dipcoatingsonsteel.AlloycompositionisspecifiedinTable1.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesstatedinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H61
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】: