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ASTM D7296-2006 用干扫取样法收集固定尘灰连续测定铍化合物的标准实施规范

作者:标准资料网 时间:2024-05-23 01:30:26  浏览:9815   来源:标准资料网
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【英文标准名称】:StandardPracticeforCollectionofSettledDustSamplesUsingDryWipeSamplingMethodsforSubsequentDeterminationofBerylliumandCompounds
【原文标准名称】:用干扫取样法收集固定尘灰连续测定铍化合物的标准实施规范
【标准号】:ASTMD7296-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D22.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:铍化合物;收集;化合物;测定;烘干;尘埃;试样;抽样方法
【英文主题词】:beryllium;drywipe;samplecollection;settleddust;surfaces
【摘要】:Thispracticeisintendedforthecollectionofsettleddustsamplesforthesubsequentmeasurementofberylliumandcompounds.Thepracticeismeantforuseinthecollectionofsettleddustsamplesthatareofinterestinclearance,hazardevaluation,riskassessment,andotherpurposes.Thispracticeisintendedsolelyforthecollectionofsettleddustsamplesfromhard,relativelysmoothnonporoussurfacesthatmaybecompromisedbywaterorotherwettingagentsandthatarethereforenotsuitableforwetwipesamplingusingPracticeD6966ormicro-vacuumsamplingusingPracticeD7144.Useofthispracticeforanypurposeotherthantheintendedpurposeisdiscouragedduetothelimitedcollectionefficiencyandhighvariabilityofdrywipesamplingascomparedtowettedwipeormicro-vacuumsampling3.Thispracticeislesseffectiveforcollectingsettleddustsamplesfromsurfaceswithsubstantialtexturesuchasroughconcrete,brickwork,texturedceilings,andsoftfibroussurfacessuchasupholsteryandcarpeting.Micro-vacuumsamplingusingPracticeD7144maybemoresuitableforthesesurfaces.1.1Thispracticecoversthecollectionofsettleddustcontainingberylliumand/orberylliumcompoundsonsurfacesusingthedrywipesamplingmethod.Thesesamplesarecollectedinamannerthatwillpermitsubsequentextractionanddeterminationofberylliumandcompoundsinthewipesusinglaboratoryanalysistechniquessuchasatomicspectrometryorfluorescencedetection.1.2Thispracticeislimitedinitsscopetoapplicationswherewettedwipesampling(usingPracticeD6966)orvacuumsampling(usingPracticeD7144)isnotphysicallyfeasible(forexample,ifthesurfacetobewipedwouldbecompromisedbyuseofwettedwipes).1.3Thispracticedoesnotaddressthesamplingdesigncriteria(thatis,samplingplanwhichincludesthenumberandlocationofsamples)thatareusedforclearance,hazardevaluation,riskassessment,andotherpurposes.Toprovideforvalidconclusions,sufficientnumbersofsamplesshouldbeobtainedasdirectedbyasamplingplan.1.4Thispracticecontainsnotesthatareexplanatoryandarenotpartofthemandatoryrequirementsofthispractice.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:5P.;A4
【正文语种】:


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Product Code:SAE AMS7510
Title:Magnets, Rare-Earth/Cobalt, Permanent, Powder-Metallurgy Product
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification and its supplementary detail specifications cover commonly-available rare-earth/cobalt permanent magnets produced by powder metallurgy.【英文标准名称】:StandardSafetyPerformanceSpecificationforSoftContainedPlayEquipment
【原文标准名称】:软的封闭式游戏设备的标准安全性能规范
【标准号】:ASTMF1918-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【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】:游戏设备;软的
【英文主题词】:playequipment;soft
【摘要】:
【中国标准分类号】:Y57
【国际标准分类号】:
【页数】:
【正文语种】:英语



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