SAE AMS5580 Nickel Alloy, Corrosion and Heat Resistant, Seamless Tubing 74Ni - 15.5Cr - 8.0Fe, Annealed
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来源:标准资料网
Product Code:SAE AMS5580
Title:Nickel Alloy, Corrosion and Heat Resistant, Seamless Tubing 74Ni - 15.5Cr - 8.0Fe, Annealed
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant nickel alloy in the form of seamless tubing.
基本信息
标准名称: | 活化乳中乳过氧化物酶体系保存生鲜牛乳实施规范 |
英文名称: | Code of practice for the preservation of raw and fresh milk by activating the lactoperoxidase system |
中标分类: |
食品 >>
食品加工与制品 >>
乳与乳制品 |
ICS分类: |
食品技术 >>
奶和奶制品 >>
奶和奶制品综合
|
发布部门: | 国家技术监督局 |
发布日期: | 1995-04-19 |
实施日期: | 1995-01-02 |
首发日期: | 1995-04-19 |
作废日期: | 2005-10-14 |
主管部门: | 农业部 |
归口单位: | 农业部 |
起草单位: | 中国农业科学院畜牧研究所 |
出版日期: | 1900-01-01 |
页数: | 平装16开, 页数:8, 字数:12千字 |
适用范围
本标准规定了生鲜牛奶挤下后,在贮存、搜集和运输到乳品加工厂期间利用乳过氧化物酶体系防止其细菌性腐坏的方法。本标准适用于利用乳过氧化物酶体系保存生鲜牛奶防止牛奶腐坏变质的技术要求。
前言
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所属分类: 食品 食品加工与制品 乳与乳制品 食品技术 奶和奶制品 奶和奶制品综合
【英文标准名称】:Petroleumproductsandusedoils.DeterminationofPCBsandrelatedproducts.Determinationandquantificationofpolychlorinatedterphenyls(PCT)andpolychlorinatedbenzyltoluenes(PCBT)contentbygaschromatography(GC)usinganelectroncapturedetec
【原文标准名称】:石油产品和用过的油.PCB和相关产品的测定.使用电子俘获探测器(ECD)的气相色谱法(GC)测定和量化多氯三联苯(PCT)和多氯苯基甲苯(PCBT)含量
【标准号】:BSEN12766-3-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-12-07
【实施或试行日期】:2004-12-07
【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】:分析;原子吸收分光光度测定法;联苯;团料;定义(术语);检波器(回路);测定;含量测定;电子俘获探测器;气相色谱分析法;气相色谱法;铅;润滑油;材料测试;数学计算;方法;计算方法;油;多氯联苯(PCB);多氯苯基甲苯(PCBT);PCT;石油;石油产品;多氯的;多氯甲苯;量化;分离过程;焦油苯基;植物油
【英文主题词】:Analysis;Atomicabsorptionspectrophotometry;Biphenyl;Conglomerates;Definitions;Detectors(circuits);Determination;Determinationofcontent;Electroncapturedetectors;Gaschromatography;Gasphasechromatography;Lead;Lubricatingoils;Materialstesting;Mathematicalcalculations;Methods;Methodsofcalculation;Oils;PCB;PCBT;PCT;Petroleum;Petroleumproducts;Polychlorinated;Polychlorinebiphenyls;Quantification;Separationprocesses;Tarphenyle;Vegetableoils
【摘要】:Thisdocumentspecifiesamethodoftestforthedeterminationofpolychlorinatedterphenyls(PCT)andpolychlorinatedbenzyltoluenes(PCBT)inpetroleumproductsandrelatedmaterialsbymeansofaspecifiedgaschromatographicseparationprocedure.Followingthegaschromatographicseparation,quantificationproceduresaredescribedforPCTAroclor5442,PCTAroclor5460andPCBT(Ugilec141).Thisdocumentisapplicabletounused,usedandtreated(e.g.dechlorinated)petroleumproductsincludingsyntheticlubricatingoils,topetroleumproductsandsyntheticlubricatingoilssuitablyrecoveredfromothermaterials(e.g.fromwastematerials)andtomixturesofvegetableoils.NOTE1ThisdocumenthasbeendevelopedasanextensionofEN12766Parts1and2toprovideamethodofdeterminingthetotalPCBcontentinaccordancewithArticles2,3and4ofECDirective96/59/EC[1].ThetotalPCBcontentiscalculatedbysummationofPCBcontent,determinedaccordingtoEN12766-2,andPCTsandPCBTsaccordingtothisdocument.ThethreeclassesofmaterialsmeasuredinthisstandardcanbequantifiediftheyoccuratconcentrationsgreaterthangiveninTable1.NOTE2Inordertosimplifyandrationalizetheanalyticaloperationsrequiredforaneffective,fastandeconomicinventoryofequipmentcontainingliquidsclassifiedasPCBs(asdefinedbyDirective96/59/EC[1]),itisrecommendedfirstlytodetermine,usinganappropriatescreeningmethod,thetotalchlorinecontent(inmg/kg).Examplesforanalyticalprocedurestodeterminetotalchlorinecontentinfresh,used,ortreatedinsulatingoilsare:i)pre-dosedcolorometrickitstomeasure25mg/kgor50mg/kgtotalchlorine(ref:USEPASW-846Method9079);ii)electrochemicalmethodsintherange2mg/kgto2000mg/kgoftotalchlorine(ref:DEXSILL-2000DXC-USEPASW-846Method9079andUSEPASW-846Method9078);iii)wavelengthdispersiveX-rayfluorescence;oriv)oxidativemicrocoulometryorotherscientificallyvalidatedanalyticalmethods.Fromthetotalchlorinemeasuredforaspecificsample,atheoreticalmaximumequivalentPCBcontentcanbecalculated.WhenthismaximumequivalentPCBcontentissignificantlylowerthanthelimitprescribedbyDirective96/59/EC[1](50mg/kgtotalPCBs)orbylocalstandards(e.g.25mg/kgtotalPCBs),thesamplemaybeconsideredas"PCB-free".NOTE3Whenthetotalchlorinecontentinasampleishigherthanthelimitsdescribedabove,itbecomesnecessarytoproceedwithgaschromatographicanalysisinaccordancewiththisdocumentusingthetotalchlorinecontentas:i)aguidetoestablishthelevelofdilutionnecessarytooperatewithinthelinearrangeoftheECDdetector(EN12766-1:2000,10.3.2);ii)amethodofcalculatingtheratiobetweentotalchlorinecontentandtotalPCBforqualitycontrolpurposes;iii)amethodfortheclassificationofthehazardposedbytheoil(e.g.attheendofitslifecycle,forregeneration,useasfueland/ordisposalinaccordancewithlocalregulations).NOTE4Forthepurposesofthisdocument,theterms"%(m/m)"and"%(V/V)"areusedtorepresentrespectivelythemassfractionandthevolumefraction.WARNING—Theuseofthisdocumentcaninvolvehazardousmaterials,operationsandequipment.Thisdocumentdoesnotpurporttoaddressallthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisdocumenttoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_100
【页数】:26P.;A4
【正文语种】:英语