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ASTM E300-2003(2009) 工业化学品抽样的的标准实施规程

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【英文标准名称】:StandardPracticeforSamplingIndustrialChemicals
【原文标准名称】:工业化学品抽样的的标准实施规程
【标准号】:ASTME300-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:E15.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:sampling;simpleliquids;slurry;solids;statistical;Industrialchemicals;Samplingchemicals
【摘要】:Representativesamplesofindustrialchemicalsarerequiredforthedeterminationofchemicalandphysicalpropertieswhichareusedtoestablishstandardvolumes,prices,andcompliancewithcommercialandregulatoryspecifications.Theobjectiveofsamplingistoobtainasmallportion(spotsample)ofmaterialfromaselectedareawithinacontainerwhichisrepresentativeofthematerialintheareaor,inthecaseofrunningorall-levelsamples,asamplewhosecompositionisrepresentativeofthetotalmaterialinthecontainer.Aseriesofspotsamplesmaybecombinedtocreatearepresentativesample.ManualandAutomaticSamplingConsiderations8212;Theselectionofmanualorautomaticsamplingdevicesispartofestablishingasamplingplanappliedunderallconditionswithinthescopeofthispracticeprovidedthatthepropersamplingproceduresarefollowed.Bothtypesofsamplingarecommonlyusedforliquid,solid,andslurrysamplingandrequireadherencetothefollowing:Anadequatefrequencyofsamplingmustbeselected.Theequipmenttosupportmanualorautomaticsamplingsystemsmaybeobtainedcommercially,fabricatedfromthedesignspresentedinthispractice,orconstructedasneededtosatisfyprocessdesignorotherspecificrequirements.Thesamplingequipmentmustbemaintainedonaregularbasis,andthesamplingplanadoptedmustbestrictlyfollowed.1.1Thispracticecoversproceduresforsamplingseveralclassesofindustrialchemicals.Italsoincludesrecommendationsfordeterminingthenumberandlocationofsuchsamples,toensuretheirbeingrepresentativeofthelotinaccordancewithacceptedprobabilitysamplingprinciples.1.2Althoughthispracticedescribesspecificproceduresforsamplingvariousliquids,solids,andslurries,inbulkorinpackages,theserecommendationsonlyoutlinetheprinciplestobeobserved.TheyshouldnottakeprecedenceoverspecificsamplinginstructionscontainedinotherASTMproductormethodstandards.1.3Theseproceduresarecoveredasfollows:

Sections
StatisticalConsiderations
7-11
SimpleLiquids
12-27
Solids
28-35
Slurries
36-41
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【英文标准名称】:Measurementofquartzcrystalunitparameters-Part7:Measurementofactivityandfrequencydipsofquartzcrystalunits(IEC60444-7:2004);GermanversionEN60444-7:2004
【原文标准名称】:石英晶体元件参数的测量.第7部分:石英晶体元件的活性和频率下降的测量
【标准号】:EN60444-7-2004
【标准状态】:现行
【国别】:
【发布日期】:2004-11
【实施或试行日期】:2004-11-01
【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】:晶体(电子);晶体谐振器;频率测量;石英晶体;测量;电学测量;频率;谐振阻抗;压电的;偏差;电子设备及元件;测量技术;电子工程;组件;压电器件;活性;批量检验;活性轴承;电气工程;额定值;定义;激发质量
【英文主题词】:Activity;Activitybearing;Batchtesting;Components;Crystalresonators;Crystals(electronic);Definition;Definitions;Deviations;Electricalengineering;Electricalmeasurement;Electronicengineering;Electronicequipmentandcomponents;Excitationquantity;Frequencies;Frequencymeasurement;Measurement;Measuringtechniques;Piezoelectric;Piezoelectricdevices;Quartzcrystals;Ratings;Resonanceresistance
【摘要】:
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodforSilicainFluorsparbytheSilico-Molybdate(Photometric)Method
【原文标准名称】:用硅钼酸盐(光度计)法测定荧石中二氧化硅含量的试验方法
【标准号】:ASTME463-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;金属;化学分析和试验;试验;萤石;光度测量法
【英文主题词】:photometry;fluorspar;testing;metals;chemicalanalysisandtesting;analysis
【摘要】:
【中国标准分类号】:D50
【国际标准分类号】:73_080;71_040_40
【页数】:3P;A4
【正文语种】:英语