ASTM D6021-2006 通过复式顶端空间萃取和硫比率测定的残留燃料总硫化氢测量的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasurementofTotalHydrogenSulfideinResidualFuelsbyMultipleHeadspaceExtractionandSulfurSpecificDetection
【原文标准名称】:通过复式顶端空间萃取和硫比率测定的残留燃料总硫化氢测量的标准试验方法
【标准号】:ASTMD6021-2006
【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】:D02.E0.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:检测;萃取;燃料;硫化氢;测量;测量技术;多倍;残留物;硫化物;硫;试验;总计
【英文主题词】:hydrogensulfide;residualfuels;multipleheadspaceextraction
【摘要】:Excessivelevelsofhydrogensulfideinthevaporphaseaboveresidualfueloilsinstoragetanksmayresultinhealthhazard,OSHAlimitsviolation,andpubliccomplaint.AnadditionalconcerniscorrosionthatcanbecausedbythepresenceofH2Sduringrefiningandotherproductionactivities.ControlmeasurestomaintainsafelevelsofH2SrequireaconsistentmethodfortheassessmentofpotentiallyhazardouslevelsofH2Sinfueloils.(Warning8212;H2Sisahighlytoxicsubstance.ExtremecaremustbeusedinthesamplingandhandlingofsamplesthataresuspectedofcontaininghighlevelsofH2S.)Aconcentrationof0.1x03BC;g/g(ppmw)ofH2SintheliquidphaseofaNo.4,5,or6residualfueloilcangenerateanactualgasconcentrationof10to100x03BC;L/L(ppmv)ofH2Sinthevaporphase;thereforeanaccurateanalyticalmethodisrequiredtodeterminethetotalH2Sconcentrationoftheseresidualfueloils.Thistestmethodwasdevelopedsorefiners,fuelterminaloperators,andindependenttestinglaboratorypersonnelcananalyticallymeasuretheamountofH2Sinresidualfueloils.TestMethodD5705providesasimpleandconsistentfieldtestmethodfortherapiddeterminationofH2Sintheresidualfueloilsstoragetankvaporphase.However,itdoesnotnecessarilysimulatethevaporphaseH2SconcentrationofafuelstoragetanknordoesitprovideanyindicationoftheliquidphaseH2Sconcentration.ThistestmethodprovidesaquantitativemeasureofaresidualfueloilsliquidphaseH2Sconcentration.ItrequiresalaboratoryandaskilledoperatortoperformthetestbutgivesamorequantitativeindicationofpotentialH2SexposurethanTestMethodD5705.Note18212;Becauseofthereactivity,absorptivity,andvolatilityofH2SanymeasurementmethodonlyprovidesanH2Sconcentrationatagivenmomentintime.1.1Thistestmethodcoversamethodsuitableformeasuringthetotalamountofhydrogensulfide(H2S)inheavydistillates,heavydistillate/residualfuelblends,orresidualfuelsasdefinedinSpecificationD396Grade4,5(Light),5(Heavy),and6,whentheH2Sconcentrationinthefuelisinthe0.01to100g/g(ppmw)range.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see5.1,7.5,8.2,9.2,10.1.4,and11.1.
【中国标准分类号】:E31
【国际标准分类号】:27_060_10
【页数】:6P.;A4
【正文语种】:


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【英文标准名称】:Aerospace-Turnbarrels,foraircraftcontrolwirerope-Dimensionsandloads
【原文标准名称】:航空航天航空器操纵钢丝绳的旋转套筒尺寸及载荷
【标准号】:ISO9738-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC20
【标准类型】:()
【标准水平】:()
【中文主题词】:控制电缆;螺母;尺寸;作标记;飞行器;负荷;航天运输;航空运输;筒形螺母;钢;飞行操纵;航空航天运输;松紧螺纹扣;公差(测量);规范(验收);耐腐蚀钢;绳缆接头;材料
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofturnbarrelsforaircraftcontrolwireropeineitherlowalloysteel,corrosion-resistantsteel,copper-zincalloyoraluminiumalloy.
【中国标准分类号】:V22
【国际标准分类号】:49_035
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:Conveyorandelevatorbelting.Testingforphysicalproperties.Methodfordeterminationofadhesionstrengthofrubberandplasticsbeltingoftextileconstruction
【原文标准名称】:输送机与提升机传动带.第10部分:物理性能试验.第4节:织物结构的橡胶和塑料传动带粘结强度的测定方法
【标准号】:BS490Sec.10.4-1983
【标准状态】:作废
【国别】:英国
【发布日期】:1983-02-28
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:皮带传动;机织物;提升机(输送机);合成橡胶;天然橡胶;附着力试验;输送带;塑料;覆层;粘结强度;试样
【英文主题词】:naturalrubber;syntheticrubber;adhesiontests;adhesivestrength;elevators(conveyors);conveyorbelts;coatings;plastics;testspecimens;beltdrives;wovenfabrics
【摘要】:
【中国标准分类号】:G42;J81
【国际标准分类号】:
【页数】:4P;A4
【正文语种】:英语