BS EN ISO 12625-9-2005 薄纸和薄纸制品.钢球式顶破强力的测定
时间:2024-05-27 02:54:33 来源: 标准资料网 作者：标准资料网 阅读：9811
【英文标准名称】:Tissuepaperandtissueproducts-Determinationofballburststrength
【原文标准名称】:薄纸和薄纸制品.钢球式顶破强力的测定
【标准号】:BSENISO12625-9-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-08-09
【实施或试行日期】:2005-08-09
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:击穿试验;抗破碎强度;纸;穿孔试验;爆裂试验;造纸技术;试验;试验设备;电阻测量;冲击穿透试验;材料强度;卫生学;一次性清洁料;数学计算;材料试验;计算方法;测定;尺寸;定义;纸浆;薄页纸;卫生纸
【英文主题词】:
【摘要】:ISO12625-9:2005specifiesatestmethodforthedeterminationoftheresistancetomechanicalpenetration(ballburststrengthprocedure)oftissuepaperandtissueproducts.
【中国标准分类号】:Y30
【国际标准分类号】:85_080_20
【页数】:18P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforCalibrationRequirementsforElementalAnalysisofPetroleumProductsandLubricants
【原文标准名称】:石油产品和润滑剂元素分析的校准要求的标准指南
【标准号】:ASTMD7578-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:atomicabsorptionspectrometry;balances;calibration;calibrationstandard;checkstandard;electrometricmethods;ICP-AESmethods;lubricants;petroleumproducts;photometricmethods;referencematerial;temperaturemeasuringdevices;timers;verificati
【摘要】:Crudeoil,petroleum,petroleumproducts,additives,biofuels,andlubricantsareroutinelyanalyzedfortheirelementalcontentsuchaschlorine,nitrogen,hydrogen,phosphorus,sulfur,andvariousmetalsusingavarietyofanalyticaltechniques.Someofthesemethodsrequirelittletonomethodcalibration;someothersrequireonlysimpleonestepcalibration;whileothersrequireelaboratecalibrationroutinebeforetheproductisanalyzedforitselementalcontent.Fairlyoftenitcanbeshownthattheroundrobinresultsbyaco-operatorareallbiasedwithrespecttothosefromotherlaboratories.Presumably,thefailuretofollowgoodlaboratorypracticesandinstructionsinthetestmethodscanbeacausalfactorofsucherrors.Afurtherconsequenceisanunnecessarilylargereproducibilityestimateorthedatabeingdroppedfromthestudyasanoutlier.Anothercauseofsuchdiscrepanciescouldbedifferentorinadequatecalibrationpracticeusedinthelaboratory.Mosttestmethodsspelloutthecalibrationrequirementsbutoftendonotquotethefrequencyrequiredlettingthelaboratoriesusegoodlaboratorypracticesforthistask.Thus,uniformpracticeforinstrumentcalibrationwouldbebeneficialinstandardizingthetestproceduresandobtainingconsistentresultsacrossthelaboratories.CommitteeD02hasalreadyissuedstandardpracticesforuniformsamplepreparation(D7455),standardoperatingproceduresforICP-AES(D7260)andXRF(D7343)aswellasstandardqualityassuranceprotocol(D6792).Thisguideshouldbeconsideredasacontinuingeffortonbehalfofthissubcommitteetoachievestandardizedpracticesinallpartsofananalyticalsequence.1.1Thisguidecoversdifferentwaysbywhichthetestmethodsusedforelementalanalysisofpetroleumproductandlubricantsamplesarecalibratedbeforethesampleanalysis.1.2Uniformpracticefortestmethodcalibrationisbeneficialinstandardizingtheprocedures,andobtainingconsistentresultsacrossdifferentlaboratories.1.3Thisguideincludesonlythebasicstepsforgenerallyencounteredinstrumenttypes.Anythingoutoftheordinarymayrequirespecialprocedures.Seeindividualtestmethodsforinstructionstohandlesuchsituations.1.4Thisguideisnotasubstituteforathoroughunderstandingoftheactualtestmethodtobeused,caveatsitcontains,andadditionalinstrumentpreparationthatmayberequired.1.5Theusershouldnotexpandthescopeofthetestmethodstomaterialsorconcentrationsoutsidethescopeofthetestmethodsbeingused.1.6Thisguideshouldalsobeapplicabletosamplepreparationofnon-petroleumbasedbio-fuelsforelementalanalysis.WorkisunderwayontheseaspectsinSubcommitteeD02.03.Asmoreinformationbecomesavailable,itwillbeaddedtothisstandard.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:12P.;A4
【正文语种】:英语
MIL-STD-2103 (NOTICE 1), MILITARY STANDARD: WELDING, ELECTRON BEAM REQUIREMENTS FOR (25 FEB 1993) [SUPERSEDING WS20641] [NO S/S DOCUMENT]., MIL-STD-2103(0S), dated 7 March 1990, is hereby canceled without replacement.