您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM C650-2004(2009) 陶瓷砖耐化学品的标准试验方法

作者:标准资料网 时间:2024-04-29 04:01:03  浏览:8315   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforResistanceofCeramicTiletoChemicalSubstances
【原文标准名称】:陶瓷砖耐化学品的标准试验方法
【标准号】:ASTMC650-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:C21.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidresistance;alkaliresistance;ceramictile;chemicalresistance;glazedurability;Ceramictile;Chemicalresistance;Color--ceramicmaterials/applications
【摘要】:Thistestmethodisintendedfortestingceramictilethataretobeusedforfoodcounters,lavatories,andsimilarresidential,medical,andcommercialinstallations,wheretheymaycomeincontactwithfood,chemical,andwastesubstancesandfortileinareaswheretheymaybeexposedtocontactwithstrongcleaningagents.Thespecificationof10%hydrochloricacidsolutionand10%potassiumhydroxidesolutionasnormaltestingfluids,andthelengthofexposuretimeandtemperaturearebasedonexperimentallaboratoryworkandinterlaboratorytests,whereitwasindicatedthatresistancetothesetwosubstancesprobablyassuresresistancealsotoanyotheracidicoralkalinesubstancecomingincontactwithtile,excepthydrofluoricacid.Thevalidityofusingcolordifferenceasmeansofdeterminingthedegreetowhichtilesurfacesareaffectedbyacidsandalkalieshasbeenestablishedbyinterlaboratorytestandwasfoundtobemorereliablethanthedeterminationoflossofgloss,particularlyforunglazedtileandmatorsemimatglazedsurfaces.Lackofcoordinationbetweeninstrumentalvalueandvisualeffectwasnotedonlyinthecaseofminutesurfacechanges,detectableonlybyobliqueviewing.1.1Thistestmethodcoversaprocedurefordeterminingwhether,andtowhatdegree,ceramictilesareaffectedbyprolongedexposuretochemicalsubstancesthatarecommonlyusedinthehouseholdorforcleaningpurposesaswellasothermoresevereconditions.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Theunitsusedforconcentrationinthisstandardarev/vwhichreferstothevolumeofreagent/1Lofsolutionandg/Lwhichreferstotheweightofreagent,ing,tobedissolvedin1Lofwater.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:91_100_25
【页数】:4P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Connectorswithassessedquality,foruseind.c.,low-frequencyanalogueandindigitalhighspeeddataapplications-Rectangularconnectorswithassessedquality-Sectionalspecification
【原文标准名称】:直流低频模拟及高速数字数据系统用经过质量评定的连接器.矩形连接器.分规范
【标准号】:BSEN61076-3-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:直流电流;电子设备及元件;电气设备;规范(验收);模拟电路;长方形;低频;定型试验;电连接器;数字电路;质量保证
【英文主题词】:Audiosystems;Connectoredjoints;Dimensions;Directvoltage;Electricplugs;Electricalengineering;Rectangularconnectors;Sectionalspecification;Shielded;Specification;Testing
【摘要】:ThispartofIEC61076establishesuniformspecifications,typetestingrequirementsandqualityassessmentproceduresforasubfamilyofrectangularconnectors.ItshouldbeusedinconjunctionwiththegenericspecificationIEC61076-1andwithrelevantdetailspecifications.
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:26P;A4
【正文语种】:英语


【英文标准名称】:Blankdetailspecification:pulsedmagnetrons(excludingfrequencyagilemagnetrons);GermanversionEN136001:1992
【原文标准名称】:空白详细规范.脉冲磁控管(不包括频率捷变磁控管)
【标准号】:DINEN136001-1993
【标准状态】:现行
【国别】:德国
【发布日期】:1993-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:详细规范;电子管;磁控管;脉冲重复频率;试验;电气工程;空白格式;质量;检验;试验要求;电子设备及元件;作标记
【英文主题词】:Blankforms;Components;Detailspecification;Electricalengineering;Electrontubes;Electronicengineering;Electronicequipmentandcomponents;Harmonization;Inspection;Limits(mathematics);Magnetrons;Marking;Pulserepetitionfrequencies;Quality;Qualityassessmentsystems;Qualityassurancesystems;Testing;Testingrequirements
【摘要】:Thisdocumentcontainsablankdetailspecificationforpulsedmagnetrons(excludingfrequencyagilemagnetrons).
【中国标准分类号】:L19
【国际标准分类号】:31_100
【页数】:13P.;A4
【正文语种】:德语