【英文标准名称】:Healthandsafetyinweldingandalliedprocesses-Requirements,testingandmarkingofequipmentforairfiltration-Part2:determinationoftheminimumairvolumeflowrateofcaptorhoodsandnozzles.
【原文标准名称】:焊接及相关工艺中的健康和安全.空气过滤的要求、测试和标记.第2部分:采集罩和喷嘴的最小空气体积流率的测定
【标准号】:NFA88-210-2-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-06-01
【实施或试行日期】:2008-06-21
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:采集;空气净化设备;空气过滤器;空气污染;空气净化;电弧焊接;苏格兰帽;呼吸罩;化学分析和测试;定义;测定;排放;排放测量;气体;危害;保健;健康数据文件;实验室试验;识别的限制;作标记;职业安全;颗粒物质的测定;污染物气体;呼吸保护;安全要求;抽样方法;分离设备;分离;烟;规范(验收);吸入装置;测试;焊接;焊接工程;焊接烟雾;自然工作条件;工作场所安全
【英文主题词】:Acquisition;Aircleaningequipment;Airfilters;Airpollution;Airpurification;Arcwelding;Bonnets;Chemicalanalysisandtesting;Definition;Definitions;Determination;Emission;Emissionmeasurement;Gases;Hazards;Healthprotection;Laboratorytesting;Limitofidentification;Marking;Occupationalsafety;Particulatemattermeasurement;Pollutantgases;Respiratoryprotections;Safetyrequirements;Samplingmethods;Separatingequipment;Separation;Smoke;Specification(approval);Suctiondevices;Testing;Welding;Weldingengineering;Weldingsmoke;Workingconditions(physical);Workplacesafety
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_30
【页数】:15P.;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforMeasuringTraceElementsinWaterbyGraphiteFurnaceAtomicAbsorptionSpectrophotometry
【原文标准名称】:用石墨炉原子吸收光谱法测定水中微量元素的标准方法
【标准号】:ASTMD3919-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:elements;graphitefurnaceatomicabsorption;water;Graphitefurnaceatomicabsorptionspectrometry(GFAAS);Inorganiccompounds--water;Organiccompounds--water;Spectrophotometry--atomicabsorption(water/wastewater);Traceelements--wateranalysis;
【摘要】:Elementalconstituentsinpotablewater,receivingwater,andwastewaterneedtobeidentifiedforsupportofeffectivepollutioncontrolprograms.Currently,oneofthemostsensitiveandpracticalmeansformeasuringlowconcentrationsoftraceelementsisbygraphitefurnaceatomicabsorptionspectrophotometry.1.1Thispracticecoversthegeneralconsiderationsforthequantitativedeterminationoftraceelementsinwaterandwastewaterbygraphitefurnaceatomicabsorptionspectrophotometry.Furnaceatomizersareamostusefulmeansofextendingdetectionlimits;however,thepracticeshouldonlybeusedatconcentrationlevelsbelowtheoptimumrangeofdirectflameaspirationatomicabsorptionspectrophotometry.Becauseofdifferencesbetweenvariousmakesandmodelsofsatisfactoryinstruments,nodetailedoperatinginstructionscanbeprovidedforeachinstrument.Instead,theanalystshouldfollowtheinstructionsprovidedbythemanufacturerofaparticularinstrument.1.2Wavelengths,estimateddetectionlimits,andoptimumconcentrationrangesaregivenintheindividualmethods.Rangesmaybeincreasedordecreasedbyvaryingthevolumeofsampleinjectedortheinstrumentalsettingsorbytheuseofasecondarywavelength.Samplescontainingconcentrationshigherthanthosegivenintheoptimumrangemaybedilutedoranalyzedbyothertechniques.1.3Thistechniqueisgenerallynotapplicabletobrinesandseawater.Specialtechniquessuchasseparationofthetraceelementsfromthesalt,carefultemperaturecontrolthroughrampingtechniques,ormatrixmodificationmaybeusefulforthesesamples.1.4Theanalystisencouragedtoconsulttheliteratureasprovidedbytheinstrumentmanufactureraswellasvarioustradejournalsandscientificpublications.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 花岗岩、花岗岩铀矿石组份分析方法 氧化钙量的测定 |
| 中标分类： |
矿业 >>
有色金属矿 >>
放射性金属矿 |
| ICS分类： |
采矿和矿产品 >>
金属矿
|
| 发布日期： | 1987-08-08 |
| 实施日期： | 1988-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 6页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 矿业 有色金属矿 放射性金属矿 采矿和矿产品 金属矿