基本信息
| 标准名称： | 搪玻璃设备 视镜 |
| 英文名称： | Sight glass for glass lined steel vessel |
| 中标分类： |
化工 >>
化工机械与设备 >>
非金属化工机械设备 |
| ICS分类： |
化工技术 >>
化工设备 >>
其他化工设备
|
| 替代情况： | 替代HG/T 2144-1991;被HG/T 2144-2012代替 |
| 发布部门： | 中华人民共和国国家发展和改革委员会 |
| 发布日期： | 2006-07-26 |
| 实施日期： | 2007-03-01 |
| 首发日期： | |
| 作废日期： | 2013-06-01 |
| 主管部门： | 国家发展和改革委员会 |
| 提出单位： | 中国石油和化学工业协会 |
| 归口单位： | 全国搪玻璃设备标准化技术委员会 |
| 起草单位： | 天华化工机械及自动化研究设计院 |
| 起草人： | 沈欢华、宋伟权、桑临春 |
| 出版社： | 化工出版社 |
| 出版日期： | 2007-03-01 |
| 页数： | 7页 |
| 批文号： | 18276-2006 |
| 书号： | 155025·0396 |
适用范围
本标准规定了搪玻璃设备用视镜的型式、基本参数、主要尺寸及技术要求。
前言
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目录
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引用标准
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所属分类： 化工 化工机械与设备 非金属化工机械设备 化工技术 化工设备 其他化工设备
【英文标准名称】:StandardGuideforConductingStaticAcuteToxicityTestsStartingwithEmbryosofFourSpeciesofSaltwaterBivalveMolluscs
【原文标准名称】:用四种咸水双壳类软体动物幼虫进行的静态急性毒力试验的标准指南
【标准号】:ASTME724-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E47.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:幼虫;试件;污染控制;毒性;农药;危险物质;试验
【英文主题词】:acutetoxicitytest;bivalvemollusclarvae;bivalvemolluscsembryos;bluemussel;Crassostreagigas;Crassostreavirginica;hardclam;Mercenariamercenaria;Mytilusedulis;oyster
【摘要】:Anacutetoxicitytestisconductedtoobtaininformationconcerningtheacuteeffectsofashorttermexposureoforganismstoatestmaterialunderspecificexperimentalconditions.Anacutetoxicitytestdoesnotprovideinformationconcerningwhetherdelayedeffectswilloccur.Becauseembryosandlarvaeareusuallyassumedtobethemostsensitivelifestagesofthesebivalvemolluscspeciesandbecausethesespeciesarecommerciallyandrecreationallyimportant,resultsoftheseacutetestsareoftenconsideredtobeagoodindicationoftheacceptabilityofpollutantconcentrationstosaltwatermolluscanspeciesingeneral.Resultsoftheseacutetoxicitytestsareoftenassumedtobeanimportantconsiderationwhenassessingthehazardofmaterialstoothersaltwaterorganisms(seeGuideE1023)orwhenderivingwaterqualitycriteriaforsaltwaterorganisms(3).Resultsofacutetoxicitytestsmightbeusedtopredictacuteeffectslikelytooccurtoaquaticorganismsinfieldsituationsasaresultofexposureundercomparableconditions,exceptthattoxicitytobenthicspeciesmightdependonsorptionorsettlingofthetestmaterialontothesubstrate.Resultsofacutetestsmightbeusedtocomparetheacutesensitivitiesofdifferentspeciesandtheacutetoxicitiesofdifferenttestmaterials,andtodeterminetheeffectsofvariousenvironmentalfactorsonresultsofsuchtests.Resultsofacutetoxicitytestsmightbeusefulforstudyingbiologicalavailabilityof,andstructureactivityrelationshipsbetween,testmaterials.Resultsofacutetoxicitytestswilldependontemperature,compositionofthedilutionwater,conditionofthetestorganisms,andotherfactors.1.1Thisguidedescribesproceduresforobtaininglaboratorydataconcerningtheacuteeffectsofatestmaterialonembryosandtheresultinglarvaeoffourspeciesofsaltwaterbivalvemolluscs(Pacificoyster,CrassostreagigasThunberg;easternoyster,CrassostreavirginicaGmelin;quahogorhardclam,MercenariamercenariaLinnaeus;andbluemussel,MytilusedulisLinnaeus)duringstatic48-hexposures.Theseprocedureswillprobablybeusefulforconductingstaticacutetoxicitytestsstartingwithembryosofotherbivalvespecies()althoughmodificationsmightbenecessary.1.2Othermodificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingproceduresappropriatetoaparticularspeciesorspecialneedsandcircumstancesismoreimportantthanfollowingprescribedprocedures,resultsoftestsconductedbyusingunusualproceduresarenotlikelytobecomparabletoresultsofmanyothertests.Comparisonofresultsobtainedbyusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconducting48-hacutetestsstartingwithembryosofbivalvemolluscs.1.3Theseproceduresareapplicabletomostchemicals,eitherindividuallyorinformulations,commercialproducts,orknownmixtures.Withappropriatemodificationstheseprocedurescanbeusedtoconductacutetestsontemperature,dissolvedoxygen,andpHandonsuchmaterialsasaqueouseffluents(seealsoGuideE1192),leachates,oils,particulatematter,sediments,andsurfacewaters.Renewaltestsmightbepreferabletostatictestsformaterialsthathaveahighoxygendemand,arehighlyvolatile,arerapidlybiologicallyorchemicallytransformedinaqueoussolution,orareremovedfromtestsolutionsinsubstantialquantitiesbythetestchambersororganismsduringthetest.1.4ResultsofacutetoxicitytestswithembryosofbivalvemolluscsshouldusuallybereportedastheEC50basedonthetotal......
【中国标准分类号】:C05
【国际标准分类号】:
【页数】:21P.;A4
【正文语种】: