DIN EN 12475-4-1999 密实成形的耐火产品的分级.第4部分:特殊产品
时间:2024-04-27 18:43:07 来源: 标准资料网 作者：标准资料网 阅读：8885
【英文标准名称】:Classificationofdenseshapedrefractoryproducts-Part4:Specialproducts;GermanversionEN12475-4:1998
【原文标准名称】:密实成形的耐火产品的分级.第4部分:特殊产品
【标准号】:DINEN12475-4-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:可折射的;碳;耐火材料;铝;方法;材料试验;陶瓷;分类;名称与符号;材料;分类系统;金属氧化物;成型耐火材料;碳化硅;氧化铬;耐熔的
【英文主题词】:
【摘要】:Thedocumentspecifiestheclassificationanddesignationofdenseshapedoxidicandnon-oxidicrefractoryproductsofspecialcomposition.
【中国标准分类号】:Q45
【国际标准分类号】:81_080
【页数】:10P;A4
【正文语种】:德语
【英文标准名称】:Waterquality;determinationofpermanganateindex
【原文标准名称】:水质高锰酸盐指数的测定
【标准号】:ISO8467-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;水质;水质试验;高锰酸盐值
【英文主题词】:Bathwater;Chemicalanalysisandtesting;Definitions;Determination;Determinationofcontent;Drinkingwaterquality;Indexes;Methods;Methodsofanalysis;Mineralwater;Permanganatenumber;Permanganates;Potablewater;Quality;Quantitativeanalysis;Springwater;Swimmingpoolwater;Tablewater;Wateranalysis;Waterpractice;Waterquality;Watertesting
【摘要】:Theprincipleofthemethodspecifiedisheatingasampleinaboilingwater-bathwithaknownamountofpotassiumpermanganateundsulfuricacidforafixedperiodtime(10min),reducingpartofthepermanganatebyoxidizablematerialinthesampleanddeterminingtheconsumedpermanganatebyadditionofanexcessofoxalatesolution,followedbytitrationwithpermanganate.Appliestowatershavingaclorideionconcentrationoflessthan300mg/l.Sampleshavingapermanganateindexover10mg/lshouldbedilutedbeforeanalysis.Thelowerlimitoftheoptimumrangeofthetestis0,5mg/l.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSpecifyingandVerifyingthePerformanceofColor-MeasuringInstruments
【原文标准名称】:说明和鉴定颜色测定仪性能的标准实施规程
【标准号】:ASTME2214-2008e1
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E12.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:color;instrumentalmeasurement-color/light;inter-instrument;inter-model;light-transmissionandreflection;reflectance;reflectanceandreflectivity;spectrocolorimetry;spectrophotometry;Colorimetricanalysis;Appearanceofmaterials;Instrumentalm
【摘要】:Intoday''scommerce,instrumentmakersandinstrumentusersmustdealwithalargearrayofbench-topandportablecolor-measuringinstruments,manywithdifferentgeometricandspectralcharacteristics.Atthesametime,manufacturersofcoloredgoodsareadoptingqualitymanagementsystemsthatrequireperiodicverificationoftheperformanceoftheinstrumentsthatarecriticaltothequalityofthefinalproduct.Thetechnologyinvolvedinopticsandelectro-opticshasprogressedgreatlyoverthelastdecade.Theresulthasbeenagenerationofinstrumentsthatarebothmoreaffordableandhigherinperformance.Whathadbeenatoolfortheresearchlaboratoryisnowavailabletotheretailpointofsale,tomanufacturing,todesignandtocorporatecommunications.Newdocumentarystandardshavebeenpublishedthatencouragetheuseofcolorimeters,spectrocolorimeters,andcolorimetricspetrometersinapplicationspreviouslydominatedbyvisualexpertiseorbyfilterdensitometers.Therefore,itisnecessarytodetermineifaninstrumentissuitabletotheapplicationandtoverifythataninstrumentorinstrumentsareworkingwithintherequiredoperatingparameters.Thispracticeprovidesdescriptionsofsomecommoninstrumentalparametersthatrelatetothewayaninstrumentwillcontributetothequalityandconsistencyoftheproductionofcoloredgoods.Italsodescribessomeofthematerialstandardsrequiredtoassesstheperformanceofacolor-measuringinstrumentandsuggestssometestsandtestreportstoaidinverifyingtheperformanceoftheinstrumentrelativetoitsintendedapplication.1.1Thispracticeprovidesstandardtermsandproceduresfordescribingandcharacterizingtheperformanceofspectralandfilterbasedinstrumentsdesignedtomeasureandcomputethecolorimetricpropertiesofmaterialsandobjects.Itdoesnotsetthespecificationsbutrathergivestheformatandprocessbywhichspecificationscanbedetermined,communicatedandverified.1.2Thispracticedoesnotdescribemethodsthataregenerallyapplicabletovisible-rangespectroscopicinstrumentsusedforanalyticalchemistry(UV-VISspectrophotometers).ASTMCommitteeE13onMolecularSpectroscopyandChromatographyincludessuchproceduresinstandardsundertheirjurisdiction.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N33
【国际标准分类号】:17_180_20
【页数】:10P.;A4
【正文语种】:英语