GB/T 13374-1992 八氧化三铀中杂质元素的光谱测定氧化镓载带法
作者:标准资料网 时间:2024-05-09 15:44:22 浏览:9021
来源:标准资料网
基本信息
| 标准名称： | 八氧化三铀中杂质元素的光谱测定氧化镓载带法 |
| 英文名称： | Spectrographic analysis of uranium oxide (U@3O@8) by gallium oxide-carrier technique |
| 中标分类： |
能源、核技术 >>
核材料、核燃料 >>
核材料、核燃料及其分析试验方法 |
| ICS分类： |
能源和热传导工程 >>
核能工程 >>
裂变物质
|
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1992-02-02 |
| 实施日期： | 1992-01-02 |
| 首发日期： | 1992-02-02 |
| 作废日期： | 2005-10-14 |
| 主管部门： | 中国核工业集团公司 |
| 归口单位： | 全国核能标准化技术委员会 |
| 起草单位： | 国营812厂 |
| 出版日期： | 1900-01-01 |
| 页数： | 平装16开， 页数：8， 字数：12000 |
适用范围
本标准规定了八氧化三铀中杂质素的载带光谱测定方法原理、试剂材料、仪器与设备、试样制备、分析步骤、结果计算及方法的精密度。本标准适用于纯度在99．5%以上的八氧化三铀中铁、镍、镁、锰、铬、硼的定量测定和铅、锡、镉、银、钼、铝、铜的半定量测定，也适用于可转化成八氧化三铀的氧化铀中杂质素的测定。
前言
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目录
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引用标准
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所属分类： 能源 核技术 核材料 核燃料 核材料 核燃料及其分析试验方法 能源和热传导工程 核能工程 裂变物质
【英文标准名称】:StandardTestMethodforFieldDeterminationofWater(Moisture)ContentofSoilbytheCalciumCarbideGasPressureTester
【原文标准名称】:用碳化钙气压检验器法现场测定土壤中水含量的标准试验方法
【标准号】:ASTMD4944-2004
【标准状态】:现行
【国别】:
【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】:D18.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:土壤;含水量;试验;土壤分析
【英文主题词】:acceptancetest;calciumcarbide;gaspressure;moisturecontent;pressure-measuringinstrument;quicktest;soilmoisture;soilwatercontent;watercontent
【摘要】:Thewatercontentofsoilisusedthroughoutgeotechnicalengineeringpractice,bothinthelaboratoryandinthefield.Resultsaresometimesneededwithinashorttimeperiodandinlocationswhereitisnotpracticaltoinstallanovenortotransportsamplestoanoven.Thistestmethodisusedfortheseoccasions.Theresultsofthistesthavebeenusedforfieldcontrolofcompactedembankmentsorotherearthstructuressuchasinthedeterminationofwatercontentforcontrolofsoilmoistureanddrydensitywithinaspecifiedrange.ThistestmethodrequiresspecimensconsistingofsoilhavingallparticlessmallerthantheNo.4sievesize.ThistestmethodmaynotbeasaccurateasotheracceptedmethodssuchasTestMethodD2216.Inaccuraciesmayresultbecausespecimensaretoosmalltoproperlyrepresentthetotalsoil,fromclumpsofsoilnotbreakinguptoexposealltheavailablewatertothereagentandfromotherinherentprocedural,equipmentorprocessinaccuracies.Therefore,othermethodsmaybemoreappropriatewhenhighlyaccurateresultsarerequired,orwhentheuseoftestresultsissensitivetominorvariationsinthevaluesobtained.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfensurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodoutlinesproceduresfordeterminingthewater(moisture)contentofsoilbychemicalreactionusingcalciumcarbideasareagenttoreactwiththeavailablewaterinthesoilproducingagas.Ameasurementismadeofthegaspressureproducedwhenaspecifiedmassofwetormoistsoilisplacedinatestingdevicewithanappropriatevolumeofreagentandmixed.1.2ThistestmethodisnotintendedasareplacementforTestMethodD2216;butasasupplementwhenrapidresultsarerequired,whentestingisdoneinfieldlocations,orwhereanovenisnotpracticalforuse.TestMethodD2216istobeusedasthetestmethodtocompareforaccuracychecksandcorrection.1.3Thistestmethodisapplicableformostsoils.Calciumcarbide,usedasareagent,reactswithwaterasitismixedwiththesoilbyshakingandagitatingwiththeaidofsteelballsintheapparatus.Toproduceaccurateresults,thereagentmustreactwithallthewaterwhichisnotchemicallyhydratedwithsoilmineralsorcompoundsinthesoil.Somehighlyplasticclaysoilsorothersoilsnotfriableenoughtobreakupmaynotproducerepresentativeresultsbecausesomeofthewatermaybetrappedinsidesoilclodsorclumpswhichcannotcomeincontactwiththereagent.Theremaybesomesoilscontainingcertaincompoundsorchemicalsthatwillreactunpredictablywiththereagentandgiveerroneousresults.AnysuchproblemwillbecomeevidentascalibrationorchecktestswithTestMethodD2216aremade.Somesoilscontainingcompoundsormineralsthatdehydratewithheat(suchasgypsum)whicharetohavespecialtemperaturecontrolwithTestMethodD2216maynotbeaffected(dehydrated)inthistestmethod.1.4Thistestmethodislimitedtousingcalciumcarbidemoisturetestequipmentmadefor20g,orlarger,soilspecimensandtotestingsoilwhichcontainsparticlesnolargerthantheNo.4Standardsievesize.Thisstandarddoesnotpurporttoaddres......
【中国标准分类号】:B11
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforInsertionofFlexiblePolyethylenePipeIntoExistingSewers
【原文标准名称】:聚乙烯软管同现有污水管插接
【标准号】:ASTMF585-1994(2007)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:F17.62
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:运河;软;污水道;聚乙烯;塑料制品;塑料管;建筑;管
【英文主题词】:polyethylene(PE)pipe;insertingintoexistingsewers,practice;sewerpipe(thermoplastic);undergroundinstallation;insertionofflexiblepolyethylenepipeintoexistingsewers,practice
【摘要】:Theproceduresdescribedcanbeusedinconjunctionwiththemanufacturerrsquo;specificrecommendationstoinstallpolyethylenepipeusingtheinsertionmethod.Theproceduresareintendedasanaidtoandnotinreplacementofthedesignandreviewoftheprojectengineer.1.1Thispracticedescribesdesignandselectionconsiderationsandinstallationproceduresfortheconstructionofnewsanitaryandstormsewersbytheinsertionofpolyethylenepipethroughexistingpipeandalongthepreviouslyexistinglineandgrade.Theproceduresaredesignedtominimizetrafficdisruption,surfacedamage,andrestoration,withlittleornointerruptionofservice.Note18212SeeCGSB41-GP-25M.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P41
【国际标准分类号】:23_040_20
【页数】:7P.;A4
【正文语种】:
