JIS K4175-1995 钠4-氨基-2-氯甲苯-5-磺酸盐(2B酸(钠盐))
作者:标准资料网 时间:2024-05-18 09:41:37 浏览:8782
来源:标准资料网
【英文标准名称】:Sodium4-amino-2-chlorotoluene-5-sulfonate(2Bacid(Sodiumsalt))
【原文标准名称】:钠4-氨基-2-氯甲苯-5-磺酸盐(2B酸(钠盐))
【标准号】:JISK4175-1995
【标准状态】:作废
【国别】:日本
【发布日期】:1995-07-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonChemicalAnalysis
【标准类型】:()
【标准水平】:()
【中文主题词】:苯胺;苯甲酸;甲苯;磺酸;有机颜料;染料;芳族化合物;氯甲苯
【英文主题词】:
【摘要】:
【中国标准分类号】:G17
【国际标准分类号】:71_080_40
【页数】:9P;A4
【正文语种】:日语
基本信息
| 标准名称： | 套筒六角扳手 |
| 中标分类： |
机械 >>
工艺装备 >>
组合卡具 |
| 替代情况： | HB 1349-75 |
| 发布日期： | 1987-04-08 |
| 实施日期： | 1987-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 机械 工艺装备 组合卡具
【英文标准名称】:StandardTestMethodforOxygenHeadspaceAnalysisofPackagesUsingFluorescentDecay
【原文标准名称】:用荧光衰减法进行包装中顶空氧气分析的标准试验方法
【标准号】:ASTMF2714-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fluorescence;headspaceanalysis;oxygentransmissionrate;permeability;permeation;residualoxygen
【摘要】:Theoxygencontentofapackagex2019;sheadspaceisanimportantdeterminantofthepackagingprotectionaffordedbybarriermaterials.ThepackageundertestistypicallyMAP(modifiedatmospherepackaging)packaged.Oxygencontentisakeycontributortooff-flavorsandspoilageofvariousproducts,suchaschemicals,foodandpharmaceuticals.Themethoddeterminestheoxygeninaclosedpackageheadspace.Thisabilityhasapplicationin:PackagePermeabilityStudies8212;Thechangeofheadspacecompositionoveraknownlengthoftimeallowsthecalculationofpermeation.Sincetheheadspaceoxygenismeasuredasapercentage,thevolumeofthecontainerx2019;sheadspacemustbeknowntoallowconversionintoaquantitysuchasmillilitres(ml)ofoxygen.Theuseofthisapproachtomeasurepermeationgenerallyappliestoemptypackagesystemsonlyasoxygenuptakeoroutgassingofcontainedproductscouldaffectresults.LeakDetection8212;Iftheheadspacecontainsmoreoxygenthanexpectedorisincreasingfasterthanexpected,aleakcanbesuspected.Awidevarietyoftechniquescanbeemployedtoverifythataleakispresentandtoidentifyitslocation.Ifnecessaryorofinterest,aleakratemaybecalculatedwithknownheadspacevolumeandmeasuredoxygenconcentrationchangeovertime.EfficacyoftheMAPPackagingProcess8212;Iftheheadspaceoxygenconcentrationisfoundtobehigherthanexpectedsoonafterpackaging,thegasflushingprocessmaynotbeworkingaswellasexpected.VarioustechniquescanevaluatewhethertheMAPsystemisfunctioningproperly.StorageStudies8212;Asthemethodisnon-destructive,theheadspacecanbemonitoredovertimeonindividualsamplestoinsurethatresultsofstoragestudiessuchasshelflifetestingarecorrectlyinterpreted.1.1Thistestmethodcoversaprocedurefordeterminationoftheoxygenconcentrationintheheadspacewithinasealedpackagewithoutopeningorcompromisingtheintegrityofthepackage.1.2Thistestmethodrequiresthatchemicallycoatedcomponentsbeplacedontheinsidesurfaceofthepackagebeforeclosing.1.3Thepackagemustbeeithertransparent,translucent,oratransparentwindowmustbeaffixedtothepackagesurfacewithoutaffectingthepackagex2019;sintegrity.1.4Asthistestmethoddeterminestheoxygenheadspaceovertime,theoxygenpermeabilitycaneasilybecalculatedasingressperunittimeaslongasthevolumeofthecontainerisknown.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:71_040_40
【页数】:4P.;A4
【正文语种】:英语
