EN 14666-2005 表面活性剂.TAED颗粒中TAED含量的测定.气相色谱法
时间:2024-05-10 17:22:40 来源: 标准资料网 作者：标准资料网 阅读：8752
【英文标准名称】:Surfaceactiveagents-Determinationoftetraacetylethylenediamine(TAED)contentinTAEDgranules-Gaschromatographicmethod;GermanversionEN14666:2005
【原文标准名称】:表面活性剂.TAED颗粒中TAED含量的测定.气相色谱法
【标准号】:EN14666-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-09
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数学计算;化学分析和试验;含量测定;试验;材料试验;分析;抽样方法;气相色谱法;试样制备;洗涤剂;表面活性剂;试验设备;气相色谱仪;痕量元素分析;质量浓度;分析方法
【英文主题词】:Analysis;Chemicalanalysisandtesting;Detergents;Determinationofcontent;Gaschromatography;Gas-phasechromatograph;Massconcentration;Materialstesting;Mathematicalcalculations;Methodsofanalysis;Samplingmethods;Specimenpreparation;Surfactants;Testequipment;Testing;Traceelementanalysis
【摘要】:
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforDosimetryinRadiationResearchonFoodandAgriculturalProducts
【原文标准名称】:食品和农产品辐射研究中剂量测定的标准指南
【标准号】:ASTMISO/ASTM51900-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E10.01
【标准类型】:(ISO/ASTM)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbeddose;absorbed-dosemapping;absorbed-dosemeasurement;dosimetrysystem;electronbeam;experimentaldesign;foodandagriculture;gammaradiation;ionizingradiation;measurementuncertainty;primary-standarddosimeter;radiation-sensitiveindi
【摘要】:4.1Thisguideisintendedtoprovidedirectionondosimetryforexperimentsinfoodandagriculturalresearch,andonthereportingofdosimetryresults.Researchconcerningtheeffectivenessofirradiationoffoodandagriculturalproductstoachieveadefinedbenefitinvolvesverydifferentabsorbed-dosespecificationsfromonestudyandoneproducttoanother.Forexample,theabsorbeddoserequiredtosterilizefruitfliesismuchlowerthanthedosesrequiredtoinactivatesomebacterialpathogensinmeat,ortodecontaminatespices.NOTE4-Examplesoftherelevanteffectsofirradiationincludereductionofviablefood-bornebacteria,virusesandparasitesandphytosanitarytreatment(suchasdisinfestationoffruitsandvegetables),preventionofsprouting,delayofripening,andchangesinproductchemistryandquality.Furtherdiscussionoftheseeffectsisoutsidethescopeofthisguide.RefertoASTMGuidesF1355,F1356,F1736andF1885.4.2Properreportingoftheirradiationaspectisimportantsincethedegreeofbiologicaleffectmaybeafunctionofvariousfactorssuchastheradiationsource,theabsorbed-doserate,energyoftheincidentradiation,environmentaleffectsduringirradiation,andthetypeofincidentradiation.Thisguideattemptstohighlighttheinformation,includingthemethodologyandresultsoftheabsorbed-dosemeasurements,necessaryforanexperimenttoberepeatablebyotherresearchers.NOTE5-Factorsthatmayinfluencetheresponseofagriculturalproductstoionizingradiationincludegenus,species,variety,vigor,lifestage,initialquality,stateofripeness,temperature,moisturecontent,pH,packaging,shipping,andstorageconditions.Althoughthesefactorsarenotdiscussedinthisguide,theyshouldbeconsideredwhenplanningexperiments(seeASTMGuidesF1355,F1356,F1640,F1736andF1885.4.3Ideally,anexperimentshouldbedesignedtoirradiatethesampleasuniformlyaspossible.Inpractice,acertainvariationinabsorbeddosewillexistthroughoutthesample.Absorbed-dosemappingisusedtodeterminethemagnitude,location,andreproducibilityofthemaximum(Dmax)andminimumabsorbeddose(Dmin)foragivensetofexperimentalparameters.Dosimetersusedfordosemappingmustbecapableofrespondingtodosesanddosegradientslikelytooccurwithinirradiatedsamples.4.4Theoreticalcalculationsmayprovideusefulinformationaboutabsorbed-dosedistributionintheirradiatedsample,especiallynearmaterialinterfaces(seeASTMGuideE2232).1.1Thisguidecoverstheminimumrequirementsfordosimetryandabsorbed-dosevalidationneededtoconductresearchontheirradiationoffoodandagriculturalproducts.Suchresearchincludesestablishmentofthequantitativerelationshipbetweentheabsorbeddoseandtherelevanteffectsintheseproducts.Thisguidealsodescribestheoverallneedfordosimetryinsuchresearch,andinreportingoftheresults.1.2Thisguideisintendedforusebyresearchscientistsinthefoodandagriculturalcommunities,andnotjustscientistsconductingirradiationresearch.It,therefore,includesmoretutorialinformationthanmostotherASTMandISO/ASTMdosimetrystandardsforradiationprocessing.1.3Thisguideisinnowayintendedtolimittheflexibilityoftheexperimenterintheexperimentaldesign.However,theradiationsourceandexperimentalsetupshouldbechosensuchthattheresultsoftheexperimentwillbebeneficialandunderstandabletootherscientists,regulatoryagencies,andthefoodandagriculturalcommunities.1.4Theeffectsproducedbyionizingradiationinbiologicalsystemsdependonalargenumberoffactorswhichmaybephysical,physiological,orchemical.Althoughnottreatedindetailinthisguide,quantitativedataofenvironmentalfactorsthatmayaffecttheabsorbed-doseresponseofdosimeters,......
【中国标准分类号】:
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices-Part11:Safety(IEC60728-11:2010);GermanversionEN60728-11:2010
【原文标准名称】:电视信号,声音信号和交互服务用电缆网络.第11部分:安全性(IEC60728-11-2010);德文版本EN60728-11-2010
【标准号】:EN60728-11-2010
【标准状态】:现行
【国别】:
【发布日期】:2011-06
【实施或试行日期】:2011-06-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Amplitude;Antennasocket;Audiosignals;Cabledistributionsystems;Cablejunctions;Cablednetworks;Contactsafetydevices;Definitions;Earthing;Electricalsafety;Feeder;Houseinstallations;Interactive;Measurement;Measuringtechniques;Overvoltageprotection;Potentialequalization;Powercurrent;Returnpath;Safety;Safetyrequirements;Signals;Soundbroadcasting;Televisionreception;Televisionsystems;Videosignals;Visionsignals
【摘要】:
【中国标准分类号】:M62
【国际标准分类号】:33_060_40
【页数】:91P;A4
【正文语种】:英语