您的位置: 标准下载 » 国内标准 » GB 国标 »

GB/T 12658-1990 纸浆,纸和纸板中钾,钠含量的测定

时间:2024-05-11 20:30:17 来源: 标准资料网 作者:标准资料网 阅读:8469
下载地址: 点击此处下载
基本信息
标准名称:纸浆,纸和纸板中钾,钠含量的测定
英文名称:Paper,board and pulp-Determination of potassium and sodium content
中标分类: 轻工、文化与生活用品 >> 造纸 >> 造纸综合
ICS分类: 造纸技术 >> 纸和纸板
替代情况:被GB/T 12658-2008代替
发布部门:国家技术监督局
发布日期:1990-01-02
实施日期:1991-10-01
首发日期:1990-12-28
作废日期:2009-05-01
主管部门:中国轻工业联合会
归口单位:全国造纸工业标准化技术委员会
起草单位:轻工部造纸研究所
出版社:中国标准出版社
出版日期:1991-10-01
页数:6页
适用范围

本标准规定采用原子吸收分光光度法测定绝缘用纸浆、纸和纸板钾、钠含量的方法。本标准适用于各种绝缘浆、纸和纸板。

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 轻工 文化与生活用品 造纸 造纸综合 造纸技术 纸和纸板
【英文标准名称】:StandardTestMethodforFieldPullTestingofanIn-PlaceExteriorInsulationandFinishSystemCladWallAssembly
【原文标准名称】:外部绝缘和精整系统包壁组件中的现场拉伸测试的标准试验方法
【标准号】:ASTME2359-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E06.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:总装;电镀;外部装饰;现场试验;精整;绝缘系统;地方;试验;墙
【英文主题词】:designwindpressure;designwindloads;DWP;EIFS;Exteriorinsulationandfinishsystem;facedelamination;moisturedeterioration;negativepressure;pulltest;pulltestframe;studspacing;substrateintegrity
【摘要】:Thepurposeofthistestmethodistoassesstheinstallationadequacyandtheoveralleffectsofservice-relateddeterioration(moisture,etc.)ontheEIFSwallassemblyasopposedtosmalllocalizedareasofdegradation.ResistancetopulltestingasdeterminedbythistestisusedasoneofthefactorsinevaluatingtheEIFSassemblyonaspecificproject.ThevaluesobtainedbythistestmethodarenotpurportedtoberepresentativeoftheactualwindloadcapacityorotherstructuralpropertiesofaspecificEIFScladwallinstallation,butmaybehelpfulinassessingsuchloadcapacities.Sincethistestisusedforfieldevaluationofexistingfacilities,loadresultsobtainedfromthistestmustbeinterpretedbasedonsoundengineeringpractice,applicablebuildingregulations,andcodeshavingjurisdiction.Itisthediscretionofthetestspecifiertodirectlyutilizetheresultsderivedbythistestmethod,orelsetoutilizethetestresultswithanappropriatefactorofsafetytoobtainacceptableworkingloadsforeachproject.Thismethodisintendedforuseontestspecimensoccurringorinstalledonexistingbuildings.ThelossofoutwardwindloadresistanceofanEIFSwallassemblyafterexposuretomoistureandotherweatherconditionsmaycompromisetheabilityofthecladdingorotherwallcomponentstoperformadequatelyinplace.Thistestmethoddoesnotprovideanymeansbywhichthetestresultsmaybegeneralizedtothelargerwallarea.Sucheffortsshouldbebasedonexperienceandengineeringjudgement.Themannerinwhichthetestloadisappliedmayaffecttheloadcapacityobtainedfromusingthisstandard.AdiscussionofvariousloadapplicationtechniquesandtheireffectsisgiveninAppendixX1.1.1Thistestmethodcoversaproceduretodeterminetheresistanceofasectionoftheexteriorinsulationandfinishsystem(EIFS)tooutwardloadsimposedonanexistingexteriorwallassemblythathasbeeninplaceonthebuildingforanunspecifiedperiodoftime.ItisdestructiveinnaturewithinthelocalizedareastestedandrequiresappropriaterepairoftheEIFScladdingandsheathingoncethetestprocedurehasbeencompleted.Thistestprocedureutilizesmechanicalmethodstoobtaininformation,whichmaybehelpfulinevaluatingthenaturalapplicationofnegativewindloadsontheEIFSassembly.Somevariabilityofresultsshouldbeanticipatedwithinthewallassemblytestedduetodifferencesininstallationprocedures,exposure,orabusesubsequenttoapplication.1.2Thistestmethodissuitableforuseoncladdingassembliesthathavebeeninplaceashorttime(newconstruction),aswellasforlongerperiodsinordertoevaluatedetrimentaleffectsontheEIFSlamina,insulationattachment,substrateintegrity,andattachmentsafterexposuretoweatherandotherenvironmentalconditions.Itisnotintendedtoevaluatetheperformanceofstructuralframing.Testresultsonanyparticularbuildingmaybehighlyvariabledependingonspecimenlocationandcondition,andaresubjecttointerpretationbythetestspecifier.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandardmayinvolvehazardousmaterials,operations,orequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Note1Duetovariationsinexposureandconstructionassemblies,fieldspecimensselectedfortestingutilizingthistestmethodmayexperiencesuddenfailureandreleaseoftheimposedloads.SeeNote7forfurtherinformation.
【中国标准分类号】:P32
【国际标准分类号】:91_120_30
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Ironores.Determinationoftitaniumcontent.Spectrophotometricdetermination.
【原文标准名称】:铁矿石.钛含量的测定.分光光度计法
【标准号】:NFA20-423-1986
【标准状态】:现行
【国别】:法国
【发布日期】:1986-11-01
【实施或试行日期】:1986-11-30
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钛;含量测定;化学分析和试验;铁矿石;分光光度法;化学分析;分光光度测量分析
【英文主题词】:
【摘要】:
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:4P.;A4
【正文语种】:其他