【英文标准名称】:Class1Components
【原文标准名称】:给水用1/2In.(12mm)到2In.(50mm)聚乙烯-铝-聚乙烯和交联聚乙烯-铝-交联聚乙烯复合压力管
【标准号】:ASMEⅢ-NB-2004
【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】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:BoilerandPressureVessels.Class1Components
【中国标准分类号】:Q81
【国际标准分类号】:
【页数】:256P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 实验室仪器术语 应变测量仪器 |
| 中标分类： |
仪器、仪表 >>
实验室仪器与真空仪器 >>
实验室仪器与真空仪器综合 |
| 替代情况： | ZB Y032-1982 |
| 发布部门： | 长沙科学仪器所 |
| 发布日期： | 1994-09-08 |
| 实施日期： | 1995-05-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 归口单位： | 长沙科学仪器所 |
| 出版日期： | 1900-01-01 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 仪器 仪表 实验室仪器与真空仪器 实验室仪器与真空仪器综合
【英文标准名称】:StandardTestMethodforDeterminingFormaldehydeLevelsfromWoodProductsUsingaDesiccator
【原文标准名称】:用干燥器测定木制品中甲醛水平的标准试验方法
【标准号】:ASTMD5582-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:air-borne;chromotropicacid;formaldehydelevels;small-scale;woodproducts
【摘要】:Limitationsonformaldehydelevelshavebeenestablishedforwoodpanelbuildingproductsmadewithurea-formaldehydeadhesivesandpermanentlyinstalledinhomesorusedascomponentsinkitchencabinetsandforsimilarindustrialproducts.ThistestmethodisusedinconjunctionwiththetestmethodreferencedbyHUDRulesandRegulations24CFR3280formanufacturedhousingandbyMinnesotaStatutesSection144.495forhousingunitsandbuildingmaterials.Thistestmethodprovidesameansoftestingsmall-sizesamplestodetermineformaldehydeemissionpotential.Thistestmethodincorporatesadesiccator,withthedesiccantremoved,havinga250-mm(10-in.)insidediameterandavolumeofapproximately10.5L(641in.)withthedesiccatorlidinplace.Conditionscontrolledintheprocedureareasfollows:3.2.1Conditioningofpanelproductspriortotesting,3.2.2Specifiednumber,size,andedgesealingofwoodspecimenstobeplacedinthedesiccator,3.2.3Testdesiccatortemperature,and3.2.4Samplesfromthe25-mLdistilledwatercollectionmediuminthepetridishbottomareanalyzedforformaldehydeattheendofa2-hperiodinthecloseddesiccator.Thistestmethodemploysasinglesetofenvironmentalconditionstoassessformaldehydeemissionpotentialfromcertainwoodproducts.Whentherelationshipbetweendesiccatortestvaluesandlarge-chambertestvaluesaretobedetermined,thevaluesforthespecificwoodpanelproducttypeshallbeplotted.Thistestmethoddoesallowacomparisonofformaldehydelevelsfromdifferentproductsforthesameuse.Note28212;Caremustbeexercisedintheextensionoftheresultstoactualformaldehydeemissionfromproductsunderactualuseconditions.1.1Thistestmethodcoversasmallscaleprocedureformeasuringformaldehydeemissionpotentialfromwoodproducts.Theformaldehydelevelisdeterminedbycollectingair-borneformaldehydeinasmalldistilledwaterreservoirwithinacloseddesiccator.ThequantityofformaldehydeisdeterminedbyamodificationoftheNationalInstituteforOccupationalSafetyandHealth(NIOSH)3500chromotropicacidtestprocedure.Otheranalyticalproceduresmaybeusedtodetermineformaldehydeemissionpotentialprovidedthatsuchmethodsgivesimilarresultstothechromotropicacidprocedure.However,thetestresultsandtestreportmustbeproperlyqualifiedandtheanalyticalprocedureemployedmustbenoted.Proceduresbasedonacetylacetoneandpararosanilinehavebeenfoundtogivesimilarresultstochromotropicacidinothertestmethodsusedindeterminingformaldehydeemissionpotentialfromwoodproducts(seeTestMethodE1333).1.2Woodproductstypicallyevaluatedbythistestmethodaremadewithurea-formaldehydeadhesivesandincludeparticleboard,hardwood,plywood,andmedium-densityfiberboard.Thistestmethodisusedforproductqualitycontrolandisasmallbenchtestmethodthatcorrelateswiththelarge-scaleacceptancetestfordeterminingformaldehydelevelsfromwoodproducts,TestMethodE1333.Thegeneraldesiccatortestingproceduremaybemodifiedfordifferentconditioningtimestoaccommodateitsuseinmanufacturingqualitycontrol.However,thetestresultsmustbeproperlyqualifiedandtheconditioningtimeemployedmustbenoted.Note1Ifmodificationsaremadetotheconditioningperiodforqualitycontrolpurposes,itisimportantthatthemodificationisconsistentlyapplied.Otherwise,theresultsmaynotbecomparable.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibi......
【中国标准分类号】:Q09;A80;P0
【国际标准分类号】:71_100_50
【页数】:7P.;A4
【正文语种】: