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【英文标准名称】:Petroleum,petrochemicalandnaturalgasindustries-Lubrication,shaft-sealingandcontrol-oilsystemsandauxiliaries-Part3:General-purposeoilsystems(ISO10438-3:2003);EnglishversionENISO10438-3:2003
【原文标准名称】:石油、石油化学和天然气工业.润滑、油封、控油系统和辅助装置.第3部分:通用油系统
【标准号】:DINENISO10438-3-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:石油;规范;试验;工业;英语;润滑;设计;控制系统;油供应系统;辅助设备;石油化学;天然气工业;供应系统;装配;石油工业;生产技术;油封;天然气;矿物油
【英文主题词】:Ancillaryequipment;Controlsystems;Design;Englishlanguage;Industries;Installation;Lubrication;Mineraloils;Naturalgas;Naturalgasindustries;Oilindustries;Oilsupplysystems;Petrochemistry;Petroleum;Productiontechniques;Shaftsealings;Specifications;Supplysystems;Testing
【摘要】:
【中国标准分类号】:E92
【国际标准分类号】:75_180_20
【页数】:44P.;A4
【正文语种】:德语


【英文标准名称】:SpecificationforReagentWater
【原文标准名称】:化学试剂水规范
【标准号】:ANSI/ASTMD1193-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学试剂;药液;试剂;水
【英文主题词】:Chemicalreagents;Chemicals;Reagents;Water
【摘要】:Thisspecificationcoversrequirementsforwatersuitableforuseinmethodsofchemicalanalysisandphysicaltesting.Fourgradesarespecified:TypeITypeIITypeIIITypeIVElectricalconductivity,max,?S/cmat298K(25?C)0.0561.00.255.0Electricalresistivity,min,Mcmat298K(25?C)181.04.00.2pHat298K(25?C)AAA5.0to8.0Totalorganiccarbon(TOC),max,?g/L5050200nolimitSodium,max,?g/L151050Chlorides,max,?g/L151050Totalsilica,max,?g/L33500nolimitMicrobiologicalcontamination-Whenbacteriallevelsneedtobecontrolled,reagentgradetypesshouldbefurtherclassifiedasfollows:TypeATypeBTypeCMaximumheterotrophicbacteriacount10/1000mL10/100mL100/10mLEndotoxin,EU/mlB0.030.25notapplicableAThemeasurementofpHinTypeI,II,andIIIreagentwatershasbeeneliminatedfromthisspecificationbecausethesegradesofwaterdonotcontainconstituentsinsufficientquantitytosignificantlyalterthepH.BEU=EndotoxinUnits.Themethodofpreparationofthevariousgradesofreagentwaterdeterminesthelimitsofimpuritiesandshallbeasfollows:TypeIgradeofreagentwatershallbepreparedbydistillationorotherequalprocess,followedbypolishingwithamixedbedofionexchangematerialsanda0.2-?mmembranefilter.Feedwatertothefinalpolishingstepmusthaveamaximumconductivityof20?S/cmat298K(25?C).TypeIIgradeofreagentwatershallbepreparedbydistillationusingastilldesignedtoproduceadistillatehavingaconductivityoflessthan1.0?S/cmat298K(25?C).Ionexchange,distillation,orreverseosmosisandorganicadsorptionmayberequiredpriortodistillationifthepuritycannotbeattainedbysingledistillation.Note1-Becausedistillationisaprocesscommonlyreliedupontoproducehighpuritywater,thelevelsspecifiedforTypeIIreagentwaterwereselectedtorepresenttheminimumqualityofwaterthatadistillationprocessshouldproduce.TypeIIIgradeofreagentwatershallbepreparedbydistillation,ionexchange,continuouselectrodeionizationreverseosmosis,oracombinationthereof,followedbypolishingwitha0.45-?mmembranefilter.1.2.4TypeIVgradeofreagentwatermaybepreparedbydistillation,ionexchange,continuouselectrodeionizationreverseosmosis,electrodialysis,oracombinationthereof.Thechoiceofoneofthevariousgradesmaybedesignatedbythemethodorbytheinvestigator.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G77
【国际标准分类号】:71_040_30
【页数】:
【正文语种】:英语