【英文标准名称】:TestMethodforCloudPointofPetroleumProducts-OpticalDetectionSteppedCoolingMethod
【原文标准名称】:石油产品始凝点的试验方法.光学检测逐级降温法
【标准号】:ANSI/ASTMD5771-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:光学测量;始凝点;石油产品;试验
【英文主题词】:petroleumproducts;opticalmeasurement;testing;cloudpoint
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语
【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
基本信息
标准名称: | 气卸散装水泥罐式汽车试验塔 技术条件 |
中标分类: |
车辆 >>
专用汽车 >>
工程汽车 |
发布日期: | |
实施日期: | 1991-02-01 |
首发日期: | |
作废日期: | |
出版日期: | |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 车辆 专用汽车 工程汽车