ASTM E2408-2004(2009) 农用喷雾箱混合料的相对拉伸粘度的标准试验方法
时间:2024-05-03 16:02:16 来源: 标准资料网 作者：标准资料网 阅读：8031
【英文标准名称】:StandardTestMethodforRelativeExtensionalViscosityofAgriculturalSprayTankMixes
【原文标准名称】:农用喷雾箱混合料的相对拉伸粘度的标准试验方法
【标准号】:ASTME2408-2004(2009)
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:E35.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalmaterials/applications;Extensionalviscosity;Viscosity
【摘要】:Extensionalviscosityisameasureoftheresistanceofaliquidtostretchingforces,suchasthoseoccurringduringthedisruptionofliquidfilmsandtheformationofspraysusedinagricultureandotherpurposesincludingpaintingoperationsormetalworking.ThismethodformeasurementofaScreenFactor,givesarelativevalueforextensionalviscosity,whichmaybeused:Tocomparethepotentialfordriftcontrolofdifferentpolymers.Tocomparetherelativeextensionalviscositycomponentofdifferentspraytankmixtures.Todeterminetheextentofbreakdownofpolymersolutionsusedasdriftcontroladditivesduringtherecirculationofthesolutionsthroughpumpsandscreens.TouseasaparameterintheSprayDriftTaskForceModelsfordropletsizeprediction.Itshouldalsobenotedthatmanydriftcontrolpolymersareirreversiblydestroyedduringtherecirculationofspraymixesbypumpingwithhighshearpumpssuchasgearorcentrifugalpumps.Itisadvisabletosubjectthetestmixturetosimilarpumpingregimestosimulatepracticalconditionsbeforecarryingouttheextensionalviscositytest.Measurementsofextensionalviscosityaretheonlypresentlyknownmethodofdeterminingtheextentofthisbreakdownpropertiesofdilutepolymersolutions.Thismethodisintendedtoproducearelativevalueforextensionalviscosity.Thepurposeofthemethodistocomparetheextensionalviscosityproducedbydifferentpolymertypesorconcentrationsofpolymerinspraytankmixes.1.1ThistestmethodcoversthedeterminationoftherelativeextensionalviscosityorScreenFactor(SF)ofdiluteagriculturalspraymixes.1.2Thetestcanbeusedfortankmixescontainingdissolved,emulsifiedordispersedmaterials,ormixtures.1.3Resultsmaybeaffectedbythequalityofthewaterused.Make-upwaterqualityshouldthereforebespecifiedinthepresentationofresults.1.4Propersafetyandhygieneprecautionsmustbetakenwhenworkingwithpesticideformulationstopreventskinoreyecontact,vaporinhalation,andenvironmentalcontamination.Readandfollowallhandlinginstructionsforthespecificformulationandconductthetestinaccordancewithgoodlaboratorypractice.Note18212;Referencestothedevelopmentofextensionalviscosityfromdissolvedpolymers,extensionalviscosityeffectsonthedropletsizedistributionofsprays,andmeasurementsofscreenfactoronrecirculatedspraymixescontainingpolymersareavailable.,1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B91
【国际标准分类号】:17_060
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardTerminologyforSurgicalScissors-InsertedandNon-InsertedBlades
【原文标准名称】:外科镶刃与不镶刃剪用标准术语
【标准号】:ASTMF1078-1987
【标准状态】:现行
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;医疗设备;医学科学;外科剪;术语
【英文主题词】:Definition;Definitions;Medicalequipment;Medicalsciences;Surgicalscissors;Terminology
【摘要】:
【中国标准分类号】:C30
【国际标准分类号】:01_040_11;11_040_30
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:Coatingplants-Sprayboothsforapplicationoforganicliquidcoatingmaterials-Safetyrequirements
【原文标准名称】:涂覆设备.有机液体涂覆材料喷洒室.安全要求
【标准号】:BSEN12215-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-11-18
【实施或试行日期】:2004-11-18
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:职业安全;喷涂设备;安全措施;建筑工程;安全设计;清漆;有机物质;安全要求;噪声测量;作标记;机械工程;规范(验收);液体;操作说明书;用户信息;危害;涂料;涂料;涂料;设计;定义;喷洒室;涂布系统;工作场所安全
【英文主题词】:Coatingmaterials;Coatingsystems;Coatings;Constructions;Definition;Definitions;Design;Hazardremoval;Hazards;Liquids;Marking;Mechanicalengineering;Noisemeasurements;Occupationalsafety;Operatinginstructions;Organicmatters;Paints;Safetydesign;Safetymeasures;Safetyrequirements;Specification(approval);Spraybooths;Sprayingequipment;Userinformation;Varnishes;Workplacesafety
【摘要】:Thisdocumentisapplicabletosprayboothsaswellasmultizonesprayboothsfortheapplicationoforganicliquidcoatingmaterials(paints,varnishes....),anddealswithallsignificanthazardsrelevanttosprayboothsormultizonespraybooths,whentheyareusedasintendedandundertheconditionsforeseenbythemanufacturer(seeclause4).Asprayboothisanassemblyofthefollowinglinkedcomponents:forcedventilationbyoneormorefans;dryairfilteringand/orwetairwashingsystems,measuringandcontroldevices,ventilationairheatingsystem,automaticfireextinguishingequipment,warningdevices,electricalapparatus,joinedtogetherwithinoratapartiallyortotallyenclosedstructure(limitedbywalls,calledspace)forthecontrolledprocessingofsprayapplicationoforganicliquidcoatingmaterial.NOTE1SprayboothsareclassifiedinannexG.Thisstandarddescribesmethodsofverificationofsafetymeasures,informationlabelstobeaffixedtothesprayboothandminimumusagerequirementscontainedwithintheoperatorshandbook.Thisstandarddoesnotcover:—sprayingareas(spacesforapplicationoforganicliquidcoatingmaterialswhicharelimitedonlybyonesidewallusedforextractionofexhaustventilation).—combinedsprayboothsaccordingtodefinitiongivenin3.2;NOTE2SeeprEN13355.—thelimitingwallsofsprayboothsiftheyareconstituentpartsofabuildingarenottobeconsideredpartofthemachineryassembly;—theworkroomorbuildingusedforthesprayingoflargesizeitems(example:air-liner);—sprayingequipmentusedinsprayboothswhichiscoveredbyEN1953,EN50050,andEN50176.—Sprayboothswhicharepartofcomplexinstallations.NOTE3complexinstallationsmayincludeadditionalhazards.ThisstandardisnotapplicabletospraybootswhicharemanufacturedbeforethedateofpublicationofthisstandardbyCEN.
【中国标准分类号】:J60
【国际标准分类号】:87_100
【页数】:52P.;A4
【正文语种】:英语