GB/T 4348.2-1984 工业用氢氧化钠中氯化钠含量的测定 汞量法
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基本信息
| 标准名称： | 工业用氢氧化钠中氯化钠含量的测定 汞量法 |
| 英文名称： | Sodium hydroxide for industrial use--Determination of sodium chloride content--Mercurimetric method |
| 中标分类： |
化工 >>
无机化工原料 >>
无机酸、碱 |
| ICS分类： |
化工技术 >>
无机化学 >>
碱
|
| 替代情况： | 被GB/T 4348.2-2002代替 |
| 发布日期： | 1984-04-13 |
| 实施日期： | 1985-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2002-12-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 4页 |
适用范围
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引用标准
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所属分类： 化工 无机化工原料 无机酸 碱 化工技术 无机化学 碱
【英文标准名称】:StandardTestMethodforSamplingandDeterminingParticulateMatterinStackGasesUsinganIn-Stack,InertialMicrobalance
【原文标准名称】:利用惯性微量天平在烟囱内取样并测定烟气中颗粒物质的标准试验方法
【标准号】:ASTMD6831-2005a
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:取样;测定;气体;竖管;惯量;粒状物;微生物学
【英文主题词】:hollowtubeoscillator;hollowtubeoscillator;in-situ,inertialmicrobalance;lowconcentrationparticulatemattermeasurement;massconcentration;particulatematter;real-timesourceparticulatemattermeasurement
【摘要】:Themeasurementofparticulatematteriswidelyperformedtocharacterizeemissionsfromstationarysourcesintermsoftotalemissionratestotheatmosphereforregulatorypurposes.Thistestmethodisparticularlywellsuitedforuseinperformanceassessmentandoptimizationofparticulatemattercontrolsystems,continuousparticulatematteremissionsmonitoringsystemsandthemeasurementoflowconcentrationparticulatematterladengasstreamsintherangeof0.2mg/m3to50mg/m3.1.1Thistestmethoddescribestheproceduresfordeterminingthemassconcentrationofparticulatematteringaseousstreamsusinganautomated,in-stacktestmethod.Thismethod,anin-situ,inertialmicrobalance,isbasedoninertialmassmeasurementusingahollowtubeoscillator.Thismethodisdescribesthedesignoftheapparatus,operatingprocedure,andthequalitycontrolproceduresrequiredtoobtainthelevelsofprecisionandaccuracystated.1.2Thismethodissuitableforcollectingandmeasuringfilterableparticulatematterconcentrationsintheranges0.2mg/m3andabovetakenineffluentductsandstacks.1.3Thistestmethodmaybeusedforcalibrationofautomatedmonitoringsystems(AMS).Iftheemissiongascontainsunstable,reactive,orsemi-volatilesubstances,themeasurementwilldependonthefiltrationtemperature,andthismethod(andotherin-stackmethods)maybemoreapplicablethanout-stackmethodsforthecalibrationofautomatedmonitoringsystems.1.4Thistestmethodcanbeemployedinsourceshavinggastemperatureupto200Candhavinggasvelocitiesfrom3to27m/s.1.5Thistestmethodincludesadescriptionofequipmentandmethodstobeusedforobtainingandanalyzingsamplesandadescriptionoftheprocedureusedforcalculatingtheresults.1.6Stacktemperatureslimitationforthistestmethodisapproximately200C(392F).1.7Thistestmethodmaybealsobelimitedfromuseinsamplinggasstreamsthatcontainfluoride,orotherreactivespecieshavingthepotentialtoreactwithorwithinthesampletrain.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:07_100_01
【页数】:12P.;A4
【正文语种】:
MIL-STD-186F, MILITARY STANDARD: MANUFACTURING PROCESS, PROTECTIVE FINISHING FOR ARMY MISSILE WEAPON SYSTEMS (20 FEB 2002)., This standard establishes the minimum requirements forprocedures, materials, and systems for cleaning, plating, painting and finishingmetals, wood, electronic materials, parts and assemblies for rockets, guidedmissiles, and components to protect them from deterioration.
