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【英文标准名称】:StandardTestMethodforMeasuringApparentpHofElectrocoatBaths
【原文标准名称】:电涂镀槽表观pH值测量的标准试验方法
【标准号】:ASTMD4584-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D01.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrocoatbaths;pH;pHmeasurement;ultrafiltrates;Acidity,alkalinity,pH--paints/relatedcoatings/materials;Electrocoatbaths;pH--paints/relatedcoatings/applications;Ultrafiltrates/ultrafiltration(UF)systems
【摘要】:ThepHisthemeasureofthefreehydrogenionconcentrationofasample,anditindicateswhetheranelectrocoatbathisacidic,neutral,orbasic.SincepHmeasurementsofgoodprecisionaremadeinaqueoussolutions,itissuggestedthatthepHmeasurementsofelectrocoatbathsareonlysemi-quantitative,andthereforesuchmeasurementsshouldbereferredtoasapparentpHmeasurements.ThepHofelectrocoatpaintsisusedforresearch,production,andqualitycontrolorelectrocoatbathprocesscontrol.OtherrelatedmethodsfordeterminingthepHofwateroraqueoussystemsaredescribedinTestMethodsD1293andE70.1.1Thistestmethodcoversthemeasurementofthefreehydrogenionconcentrationofelectrocoatbathsandtheirultrafiltrates.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:2P.;A4
【正文语种】:英语