GB/T 5009.165-2003 粮食中2.4-滴丁酯残留量的测定
作者:标准资料网 时间:2024-05-17 01:20:42 浏览:9046
来源:标准资料网
基本信息
标准名称: | 粮食中2.4-滴丁酯残留量的测定 |
英文名称: | Determination of 2,4-D butylate residues in grains |
中标分类: |
医药、卫生、劳动保护 >>
卫生 >>
食品卫生 |
ICS分类: |
食品技术 >>
食品综合
|
发布部门: | 中华人民共和国卫生部 中国国家标准化管理委员会 |
发布日期: | 2003-08-11 |
实施日期: | 2004-01-01 |
首发日期: | 2003-08-11 |
作废日期: | 1900-01-01 |
主管部门: | 卫生部 |
提出单位: | 中华人民共和国卫生部 |
归口单位: | 中华人民共和国卫生部 |
起草单位: | 北京市卫生防疫站和卫生部食品卫生监督所 |
起草人: | 赵立文、康君行、张莹 |
出版社: | 中国标准出版社 |
出版日期: | 2004-01-01 |
页数: | 16开, 页数:5, 字数:6千字 |
适用范围
本标准规定了粮食中2,4-滴丁酯残留量的气相色谱测定方法。本标准适用粮食中2,4-滴丁酯残留量的测定。本标准最小检出量0.01ng;线性范围0.01ng~10ng。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 医药 卫生 劳动保护 卫生 食品卫生 食品技术 食品综合
【英文标准名称】:Deliverydrums
【原文标准名称】:供线绕线盘
【标准号】:DIN46391-1-1979
【标准状态】:现行
【国别】:德国
【发布日期】:1979-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;金属线;法兰;木材;公差;尺寸;作标记;电气工程;塑料;绳索;钢;线圈
【英文主题词】:steels;tolerances(measurement);cables;marking;wires;plastics;electriccables;dimensions;spools;flanges;wood;electricalengineering;ropes
【摘要】:
【中国标准分类号】:K08
【国际标准分类号】:55_060
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforPillingResistanceandOtherRelatedSurfaceChangesofTextileFabrics:BrushPillingTester
【原文标准名称】:纺织纤维的抗起球性和其他相关表面变化的标准试验方法:毛刷式起球试验仪
【标准号】:ASTMD3511/D3511M-2010e1
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fabric;fuzz;pills;Brushpillingtester;Pillingresistance;Surfaceanalysis--textilefabrics/fibers;Textilefabrics(general)
【摘要】:AcceptanceTesting8212;Thismethodoftestingfabricsforresistancetopillingisnotrecommendedforacceptancetesting.Ifitisusedforacceptancetesting,itshouldbeusedwithcautionbecauseinterlaboratorydataarenotavailable.Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailablemethod,eventhoughthemethodhasnotbeenrecommendedforacceptancetesting.Iftherearedifferencesorpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,thetestsamplesshouldbeusedthatareashomogeneousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thepillingoftextilefabricsisaverycomplexpropertybecauseitisaffectedbymanyfactorswhichmayincludetypeoffiberorblends,fiberdimensions,yarnandfabricconstruction,fabricfinishingtreatmentsandrefurbishingmethod.Testingbeforerefurbishingmaybeadviseable.Thepillingresistanceofaspecificfabricinactualwearvariesmorewithgeneralconditionsofuseandindividualwearersthaninreplicatefabricspecimenssubjectedtocontrolledlaboratorytests.Thisexperienceshouldbeborneinmindwhenadoptinglevelsofacceptabilityforanyseriesofstandards.Pillsvaryappreciablyinsizeandappearanceanddependonthepresenceoflintanddegreeofcolorcontrast.Thesefactorsarenotevaluatedwhenpillingisratedsolelyonthenumberofpills.Thedevelopmentofpillsmaybeaccompaniedbyothersurfacephenomenasuchaslossofcover,colorchange,orthedevelopmentoffuzz.Sincetheoverallacceptabilityofaspecificfabricisdependentonboththecharacteristicsofthepillsandtheotherfactorsaffectingsurfaceappearance,itissuggestedthatfabricstestedinthelaboratorybeevaluatedsubjectivelywithregardtotheiracceptabilityandnotratedsolelyonthenumberofpillsdeveloped.Aseriesofstandards,basedongraduateddegreesofsurfacechangeofthefabrictypebeingtested,maybesetuptoprovideabasisforsubjectiveratings.Thevisualstandardsaremostadvantageouswhenthelaboratorytestspecimenscorrelatecloselyinappearancewithwornfabricsandshowasimilarratioofpillstofuzz.Countingthepillsandweighingtheirnumberwithrespecttotheirsizeandcontrast,asacombinedmeasureofpillingresistance,isnotrecommendedbecauseoftheexcessivetimerequiredforcounting,sizing,andcalculation.Thedegreeoffabricpillingisevaluatedbycomparingthetestedspecimenswithvisualstandards,whichmaybeactualfabricsorphotographsoffabrics,showingarangeofpillingresistance.Theobservedresistancetopillingisreportedonanarbitraryscalerangingfrom5(nopilling)to1(veryseverepilling).Thistestmethodisapplicabletoawidevarietyofwovenandknittedfabricsthatvaryinpillingpropensityasaresultofvariationsinfiber,yarnx0026;fabricstructure,andfinish.1.1Thistestmethodcoversthedeterminationofthepropensityofafabrictoformpillsfromfuzzundertestconditionsintendedtosimulatenormal......
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:5P.;A4
【正文语种】:英语