BS DD CEN/TS 13130-18-2006 与食品接触的材料和物品.受限制的塑料物质.食品模拟物中1,2-苯二酚、1,3-苯二酚、1,4-苯二酚、4,4'-二羟二苯甲酮和4,4'-二羟联苯的测定
时间:2024-05-25 12:14:00 来源: 标准资料网 作者：标准资料网 阅读：8812
【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Plasticssubstancessubjecttolimitation-Determinationof1,2-dihydroxybenzene,1,3-dihydroxybenzene,1,4-dihydroxybenzene,4,4'-dihydroxybenzophenoneand4,4'-dihydroxybiphenylinfoodsimulants
【原文标准名称】:与食品接触的材料和物品.受限制的塑料物质.食品模拟物中1,2-苯二酚、1,3-苯二酚、1,4-苯二酚、4,4'-二羟二苯甲酮和4,4'-二羟联苯的测定
【标准号】:BSDDCEN/TS13130-18-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-05-31
【实施或试行日期】:2006-05-31
【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】:乙酸;分析;物品;二苯甲酮;联苯;色谱法;触点;测定;含量测定;酒精;食品检验;食品包装;食品;高效液相色谱分析法;酚;研究;接触食品的材料;材料规范;材料测试;迁移;迁移值;单体;橄榄油;塑料;溶解度;试件;测试;1;4
【英文主题词】:Aceticacid;Analysis;Articles;Benzophenone;Biphenyl;Chromatography;Contact;Determination;Determinationofcontent;Ethanol;Foodinspection;Foodpackages;Foodproducts;HPLC;Hydroxybenzene;Investigations;Materialsincontactwithfood;Materialsspecification;Materialstesting;Migration;Migrationvalue;Monomers;Oliveoil;Plastics;Solubility;Testpieces;Testing;1;4
【摘要】:
【中国标准分类号】:X08
【国际标准分类号】:67_250
【页数】:28P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforPetrographicExaminationofAggregatesforConcrete
【原文标准名称】:混凝土用集料的岩相检验的标准指南
【标准号】:ASTMC295-2008
【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】:C09.65
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:aggregate;analysis;composition;crushedrock;crushedstone;examination;ledgerock;manufacturesand;naturalsand;petrography;quarry;Aggregate;Compositionanalysis;Crushedrock/stone;Drilledconcretecores;Ledgerock;Manufacturedsand;Micros
【摘要】:Petrographicexaminationsaremadeforthefollowingpurposes:Todeterminethephysicalandchemicalcharacteristicsofthematerialthatmaybeobservedbypetrographicmethodsandthathaveabearingontheperformanceofthematerialinitsintendeduse.Todescribeandclassifytheconstituentsofthesample,Todeterminetherelativeamountsoftheconstituentsofthesamplethatareessentialforproperevaluationofthesamplewhentheconstituentsdiffersignificantlyinpropertiesthathaveabearingontheperformanceofthematerialinitsintendeduse,andTocomparesamplesofaggregatefromnewsourceswithsamplesofaggregatefromoneormoresources,forwhichtestdataorperformancerecordsareavailable.Thisguidemaybeusedbyapetrographeremployeddirectlybythoseforwhomtheexaminationismade.Theemployershouldtellthepetrographer,inasmuchdetailasnecessary,thepurposesandobjectivesoftheexamination,thekindofinformationneeded,andtheextentofexaminationdesired.Pertinentbackgroundinformation,includingresultsofpriortesting,shouldbemadeavailable.Thepetrographer''sadviceandjudgmentshouldbesoughtregardingtheextentoftheexamination.Thisguidemayformthebasisforestablishingarrangementsbetweenapurchaserofconsultingpetrographicserviceandthepetrographer.Insuchacase,thepurchaserandtheconsultantshouldtogetherdeterminethekind,extent,andobjectivesoftheexaminationandanalysestobemade,andshouldrecordtheiragreementinwriting.Theagreementmaystipulatespecificdeterminationstobemade,observationstobereported,fundstobeobligated,oracombinationoftheseorotherconditions.Petrographicexaminationofaggregateconsideredforuseinhydraulic-cementconcreteisoneaspectoftheevaluationofaggregate,butpetrographicexaminationisalsousedformanyotherpurposes.Petrographicexaminationsprovideidentificationoftypesandvarietiesofrockspresentinpotentialaggregates.However,asnotedabove,identificationofeveryrockandmineralpresentinanaggregatesourceisnotrequired.Thepetrographicexaminationshouldestablishwhethertheaggregatecontainschemicallyunstablemineralssuchassolublesulfates,unstablesulfidesthatmayformsulfuricacidorcreatedistressinconcreteexposedtohightemperaturesduringservice,orvolumetricallyunstablematerialssuchassmectites(formerlyknownasthemontmorillonite-saponitegroupofmineralsorswellingclays).Specificationsmaylimitthequartzcontentofaggregatesforuseinconcretethatmaybesubjecttohightemperature(purposefullyoraccidentally)becauseoftheconversiontobeta-quartzat573x00B0;C(1063x00B0;F),withaccompanyingvolumeincrease.Petrographicexaminationshouldidentifytheportionofeachcoarseaggregatethatiscomposedofweatheredorotherwisealteredparticlesandtheextentofthatweatheringoralteration,whetheritissevere,moderate,orslight,andshoulddeterminetheproportionofeachrocktypeineachcondition.Iftheconcreteinwhichtheaggregatemaybeusedwillbeexposedtofreezingandthawinginacriticallysaturatedcondition,finelyporousandhighlyweatheredorotherwisealteredrocksshouldbeidentifiedbecausetheywillbeespeciallysusceptibletodamagebyfreezingandthawingandwillcausetheaggregateportionoftheconcretetofailinfreezingandthawing.Thiswillultimatelydestroytheconcretebecausesuchaggregatescannotbeprotectedbyadequatelyair-entrainedmortar.Finelyporousaggregatesneartheconcretesurfacearealsolikelytoformpopouts,whichareblemishesonpavementsandwalls.Petrographicexaminationsmayalsobeusedtodeterminetheproportionsofcubic,spherical,ellipsoidal,pyramid........
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Trial-UseStandardforAutomaticTestMarkupLanguage(ATML)forexchangingautomatictestequipmentandtestinformationviaXML:Exchangingtestdescriptions
【原文标准名称】:通过可扩展标记语言(XML)交换自动化试验设备和试验信息用自动测试标记语言(ATML)的验证-试用标准:交换测试描述
【标准号】:IEEE1671.1-2009
【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】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:自动测试标记语言(ATML);自动;自动测试标记语言;自动化;特性;数据交换;数据处理;定义;诊断;电气工程;电子工程;评定;交换格式;可扩展标记语言;检验;寿命;寿命试验;标记语言;产品试验;生产控制;质量保证;可靠性;规范(验收);可测试性;测试;使用;XML
【英文主题词】:ATML;Automatic;AutomaticTestMarkupLanguage;Automation;Characteristics;Dataexchange;Dataprocessing;Definitions;Diagnosis;Electricalengineering;Electronicengineering;Evaluations;Exchangeformats;ExtensibleMarkupLanguage;Inspection;Life(durability);Lifetest;Markuplanguage;Producttests;Productioncontrol;Qualityassurance;Reliability;Specification(approval);Testability;Testing;Use;XML
【摘要】:
【中国标准分类号】:L74
【国际标准分类号】:35_240_30
【页数】:195P;A4
【正文语种】:英语