MIL-STD-409A
时间:2024-05-19 15:42:28 来源: 标准资料网 作者：标准资料网 阅读：8181
MIL-STD-409A, MILITARY STANDARD, ALLOY NOMENCLATURE AND TEMPER DESIGNATION SYSTEM FOR MAGNESIUM BASE ALLOYS (5 DEC 1966) [S/S BY MIL-HDBK-305]., This standard establishes a uniform system for designating the alloying elements, the respective percentages of these elements, the serial letters, and the temper designation for magnesium base alloys.
【英文标准名称】:Milk.Determinationofchloridecontent.Potentiometrictitrationmethod.
【原文标准名称】:奶.氯化物含量的测定电位滴定法
【标准号】:NFV04-212-1989
【标准状态】:现行
【国别】:法国
【发布日期】:1989-10-01
【实施或试行日期】:1989-10-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:氯化物;电位测量法;乳制品;试验条件;规程;牛奶;含量测定;化学分析;化学分析和试验
【英文主题词】:
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:5P;A4
【正文语种】:其他
【英文标准名称】:TestMethodforDeterminationofCalcium,Chlorine,Copper,Magnesium,Phosphorus,Sulfur,andZincinUnusedLubricatingOilsandAdditivesbyWavelengthDispersiveX-rayFluorescenceSpectrometry(MathematicalCorrectionProcedure)
【原文标准名称】:波长色散X射线荧光光谱法测定未用润滑油和添加剂中钙、氯、铜、镁、磷、硫和锌的标准试验方法(数学校正规程)
【标准号】:ASTMD6443-2004(2010)
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:additiveelements;additives;calcium;chlorine;copper;lubricatingoils;magnesium;phosphorus;sulfur;wavelengthdispersiveX-rayspectrometry;zinc;Additives--lubricatingoils;Additives--petroleumproducts;Calciumcontent--petroleumproducts;Cali
【摘要】:Lubricatingoilscanbeformulatedwithadditives,whichcanactasdetergents,anti-oxidants,anti-wearagents,andsoforth.Someadditivescancontainoneormoreofcalcium,copper,magnesium,phosphorus,sulfur,andzinc.Thistestmethodcanbeusedtodetermineiftheoils,additives,andadditivepackagesmeetspecificationwithrespecttocontentoftheseelements.Thistestmethodcanalsobeusedtodetermineiflubricatingoils,additives,andadditivepackagesmeetspecificationwithrespecttochlorineconcentration.Inthiscontext,specificationcanrefertocontamination.Thistestmethodisnotintendedforuseonsamplesthatcontainsomecomponentthatsignificantlyinterfereswiththeanalysisoftheelementsspecifiedinthescope.Thistestmethodcancomplementothertestmethodsforlubeoilsandadditives,includingTestMethodsD4628,D4927,D4951,andD5185.1.1Thistestmethodcoversthedeterminationofcalcium,chlorine,copper,magnesium,phosphorus,sulfur,andzincinunusedlubricatingoils,additives,andadditivepackagesbywavelengthdispersiveX-rayfluorescencespectrometry.Matrixeffectsarehandledwithmathematicalcorrections.1.2Foreachelement,theupperlimitoftheconcentrationrangecoveredbythistestmethodisdefinedbythehighestconcentrationlistedinTable1.Samplescontaininghigherconcentrationscanbeanalyzedfollowingdilution.1.3Foreachelement,thelowerlimitoftheconcentrationrangecoveredbythistestmethodcanbeestimatedbythelimitofdetection(LOD)(seealso40CFR136AppendixB)orlimitofquantification(LOQ),bothofwhichcanbeestimatedfromSr,therepeatabilitystandarddeviation.LODandLOQvalues,determinedfromresultsobtainedintheinterlaboratorystudyonprecision,arelistedinTable2.1.3.1LODandLOQarenotintrinsicconstantsofthistestmethod.LODandLOQdependupontheprecisionattainablebyalaboratorywhenusingthistestmethod.1.4Thistestmethodusesregressionsoftwaretodeterminecalibrationparameters,whichcanincludeinfluencecoefficients(thatis,interelementeffectcoefficients)(GuideE1361),hereinreferencedasalphas.Alphascanalsobedeterminedfromtheoryusingrelevantsoftware.1.5SetupofthistestmethodisintendedforpersonstrainedinthepracticeofX-rayspectrometry.Followingsetup,thistestmethodcanbeusedroutinely.1.6ThevaluesstatedineitherSIunitsorangstromunitsaretoberegardedseparatelyasstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:英语