您的位置: 标准下载 » 国际标准 » ISO 国际标准 »

ISO 7097-1-2004 核燃料技术.溶液、六氟化铀和固体中铀的测定.第1部分:铁(II)还原/重铬酸钾氧化滴定法

作者:标准资料网 时间:2024-05-14 03:22:58  浏览:9215   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Nuclearfueltechnology-Determinationofuraniuminsolutions,uraniumhexafluorideandsolids-Part1:Iron(II)reduction/potassiumdichromateoxidationtitrimetricmethod
【原文标准名称】:核燃料技术.溶液、六氟化铀和固体中铀的测定.第1部分:铁(II)还原/重铬酸钾氧化滴定法
【标准号】:ISO7097-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-07
【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/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;溶液;核反应堆;铀;还原法;滴定法;测定;重铬酸钾;核燃料;试验;氧化
【英文主题词】:Determination;Determinationofcontent;Nuclearfuels;Nuclearreactors;Oxidation;Potassiumdichromate;Reductionmethods;Solutions;Testing;Tests;Titrationmethod;Titrimetry;Uranium
【摘要】:ThispartofISO7097describesananalyticalmethodforthedeterminationofuraniuminpureproductmaterialsamplessuchasUmetal,UO2,UO3,uranylnitratehexahydrate,uraniumhexafluorideandU3O8fromthenuclearfuelcycle.Thisprocedureissufficientlyaccurateandprecisetobeusedfornuclearmaterialsaccountability.Thismethodcanbeuseddirectlyfortheanalysisofmosturaniumanduraniumoxidenuclearreactorfuels,eitherirradiatedorunirradiated,andofuraniumnitrateproductsolutions.Fissionproductsequivalenttoupto10%burn-upofheavyatomsdonotinterfere,andotherelementswhichcouldcauseinterferencearenotnormallypresentinsufficientquantitytoaffecttheresultsignificantly.Themethodrecommendsthatanaliquotofsampleisweighedandthatamasstitrationisused,inordertoobtainimprovedprecisionandaccuracy.Thisdoesnotprecludetheuseofanyalternativetechniquewhichcouldgiveequivalentperformance.Astheperformanceofsomestepsofthemethodiscritical,theuseofsomeautomaticdevicehassomeadvantages,mainlyinthecaseofroutineanalysis.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:14P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforMeasurementofThicknessofTransparentorOpaqueCoatingsbyDouble-BeamInterferenceMicroscopeTechnique
【原文标准名称】:双束干涉显微技术测量透明涂层或不透明涂层厚度的标准试验方法
【标准号】:ASTMB588-1988(2010)
【标准状态】:现行
【国别】:
【发布日期】:1988
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铝覆层;阳极镀层;铬电镀;覆层厚度;电解镀层;金属涂覆;透明涂层
【英文主题词】:Aluminumcoatings;Anodiccoatings;Chromiumelectroplating;Coatingthickness;Electrodepositedcoatings;Metalliccoatings;Transparentcoatings
【摘要】:Thethicknessofacoatingisoftencriticaltoitsperformance.Forsomecoating-substratecombinations,theinterferencemicroscopemethodisareliablemethodformeasuringcoatingthickness.Thistestmethodissuitableforspecificationacceptance.1.1Thistestmethodcoversthemeasurementofthethicknessoftransparentmetaloxideandmetalliccoatingsbyutilizingadouble-beaminterferencemicroscope.1.2Thetestmethodrequiresthatthespecimensurfaceorsurfacesbesufficientlymirrorliketoformrecognizablefringes.1.3Thistestmethodcanbeusednondestructivelytomeasure1to10x03BC;mthicktransparentcoatings,suchasanodiccoatingsonaluminum.Thetestmethodisuseddestructivelyfor0.1to10x03BC;mthickopaquecoatingsbystrippingaportionofthecoatingandmeasuringthestepheightbetweenthecoatingandtheexposedsubstrate.Thestrippingmethodcanalsobeusedtomeasure0.2to10x03BC;mthickanodiccoatingsonaluminum.1.4Thetestmethodisusableasareferencemethodforthemeasurementofthethicknessoftheanodicfilmonaluminumorofmetalliccoatingswhenthetechniqueincludescompletestrippingofaportionofthecoatingwithoutattackofthesubstrate.Foranodicfilmsonaluminum,thethicknessmustbegreaterthan0.4x03BC;m;theuncertaintycanbeasgreatas0.2x03BC;m.Formetalliccoatings,thethicknessmustbegreaterthan0.25x03BC;m;theuncertaintycanbeasgreatas0.1x03BC;m.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Domesticcookingappliancesburninggas-Part1-4:Safety-Applianceshavingoneormoreburnerswithanautomaticburnercontrolsystem;GermanversionEN30-1-4:2002/A1:2006
【原文标准名称】:家用燃气灶具.第1-4部分:安全性.带自动燃烧控制系统的含一个或多个燃烧炉的灶具
【标准号】:EN30-1-4/A1-2006
【标准状态】:现行
【国别】:
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:自动燃烧器控制系统;煮沸器具;燃烧器;分类;炊用炉;灶具;炉台;定义;家用的;家用烹饪器具;燃气器具;燃气炉灶;煤气炉;燃气技术;气体的;燃气动力装置;加热器;加热装置;家用设备;使用说明书;维修;作标记;操作方式;标示牌;烤箱;性能规范;产品规范;安全;安全工程;安全要求;安全试验;规范(验收);技术文献;温度;测试;测试条件;定型测试
【英文主题词】:Automaticburnercontrolsystem;Boilingapparatus;Burners;Classification;Cookers;Cookingappliances;Cookingtables;Definition;Definitions;Domestic;Domesticcookingappliances;Gasappliances;Gascookers;Gasstoves;Gastechnology;Gaseous;Gas-powereddevices;Heaters;Heatingappliances;Householdequipment;Instructionsforuse;Maintenance;Marking;Modeofoperation;Nameplates;Ovens(cookingappliances);Performancespecification;Productspecification;Safety;Safetyengineering;Safetyrequirements;Safetytests;Specification(approval);Technicaldocuments;Temperature;Testing;Testingconditions;Typetesting
【摘要】:
【中国标准分类号】:Y68
【国际标准分类号】:97_040_20
【页数】:38P.;A4
【正文语种】:英语