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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
【标准状态】:现行
【国别】:
【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】:涂漆;覆层;涂料;表面处理;试验;测量;PH
【英文主题词】:electrocoatbaths;pH;pHmeasurement;ultrafiltrates
【摘要】:ThepHisthemeasureofthefreehydrogenionconcentrationofasample,anditindicateswhetheranelectrocoatbathisacidic,neutral,orbasic.SincepHmeasurementsofgoodprecisionaremadeinaqueoussolutions,itissuggestedthatthepHmeasurementsofelectrocoatbathsareonlysemi-quantitative,andthereforesuchmeasurementsshouldbereferredtoasapparentpHmeasurements.ThepHofelectrocoatpaintsisusedforresearch,production,andqualitycontrolorelectrocoatbathprocesscontrol.OtherrelatedmethodsfordeterminingthepHofwateroraqueoussystemsaredescribedinTestMethodsD1293andE70.1.1Thistestmethodcoversthemeasurementofthefreehydrogenionconcentrationofelectrocoatbathsandtheirultrafiltrates.1.2&si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】: