ISO 6374-1981 工业用天然及人造冰晶石和氟化铝磷含量的测定萃取后原子吸收光谱法

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【英文标准名称】:Cryolite,naturalandartificial,andaluminiumfluorideforindustrialuse;Determinationofphosphoruscontent;Atomicabsorptionspectrometricmethodafterextraction
【原文标准名称】:工业用天然及人造冰晶石和氟化铝磷含量的测定萃取后原子吸收光谱法
【标准号】:ISO6374-1981
【标准状态】:现行
【国别】:国际
【发布日期】:1981-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:磷;试验;铝无机化合物;原子吸收法;铝矿;冰晶石;工业;金属;含量测定;金属工业;原子吸收分光光度测定法;氟化物
【英文主题词】:Aluminiuminorganiccompounds;Aluminiumores;Atomicabsorptionspectrophotometry;Cryolite;Determinationofcontent;Fluorides;Industries;Metals;Phosphorus;Testing;Tests
【摘要】:Specifiesamethodbasedonthefusionofatestportionwithsodiumcarbonateandboricacidanddissolutioninperchloricacidsolution,followedbyformationoftheammoniummolybdophosphatecomplexandextractionofthecomplexwithisobutylacetate.Thesolutionisabsorbedintoanacetylene/dinitrogenmonoxideflameandthemolybdenum,andhencethephosphorus,isdeterminedbymeasuringtheabsorbanceofthe379,8nmlineemittedbyamolybdenumhollow-cathodelamp.
【中国标准分类号】:D59;G10
【国际标准分类号】:71_060_20;73_060_40
【页数】:4P;A4
【正文语种】:英语


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【英文标准名称】:Articlesandmaterialsfromsyntheticforuseinundergroundmines;flatairducts;safetyrequirements,testing,marking
【原文标准名称】:地下矿井用合成器材和材料.扁风道.安全要求.检验.标识
【标准号】:DIN22100-4-1993
【标准状态】:作废
【国别】:德国
【发布日期】:1993-07
【实施或试行日期】:1993-07-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:卫生学;防电击;设备;电性质和电现象;通气道;定义;平面进气孔;安全工程;试验;采掘;作标记;安全要求;塑料;地下开采;电气安全;职业安全;防火;规范(认可)
【英文主题词】:Airducts;Definitions;Electricalpropertiesandphenomena;Electricalsafety;Equipment;Firesafety;Flatairducts;Hygiene;Marking;Mining;Occupationalsafety;Plastics;Protectionagainstelectricshocks;Safetyengineering;Safetyrequirements;Specification(approval);Testing;Undergroundmining
【摘要】:Thedocumentdeterminesthesafetyspecificationsasforflameability,hygienic,andelectricalpropertiesandtestingofflatairductsforuseinundergroundhardcoalmines,accordingtoDIN21606;descriptionoftestprocedures.#,,#
【中国标准分类号】:D90;G33
【国际标准分类号】:73_100_20
【页数】:3P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforDeterminingtheStabilityofCompostbyMeasuringOxygenConsumption
【原文标准名称】:测量氧消耗对堆肥的稳定性测定的标准试验方法
【标准号】:ASTMD5975-1996(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D34.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compost;oxygenconsumption;stability;Aerobic/anaerobicbiodegradation;Compostingenvironments;Municipalsolidwaste(MSW);Oxidationtesting;Oxygenconsumption;Stability
【摘要】:Ameasurementofcompoststabilityisneededforseveralreasons.Itaidsinassessingwhetherthecompostingprocesshasproceededsufficientlyfartoallowthefinishedcomposttobeusedforitsintendedapplication.Adifferentcompoststabilitymayberequiredfordifferentapplicationsofthecompost.Ameasurementofcompoststabilityalsoisneededtoverifywhetheracompostingplantisprocessingthewastetopreviouslyagreedlevelsofstability.Thismeasurementisusefulinthecommissioningofcompostingplantsandtheverificationofwhetherplantoperatorsaresatisfyingpermitrequirements.Thelevelofcompoststabilityalsowillindicateitspotentialtocauseodorsifthecompostisstoredwithoutaeration,aswellastheleveltowhichithasbeenhygienizedandhowsusceptiblethecompostistorenewedbacterialandpossiblepathogenicactivity.Compoststabilityisanimportantparameterwithregardtophytotoxicityandplanttoleranceofthecompost.Thedeterminationofcompoststabilitywillallowtheselectionofwellperformingcompostingtechnologies,aswellasthesafeapplicationofcompostinitsvariousmarkets.Themethodindicatesadegreeofstability,butdoesnotnecessarilyindicatethatonelevelispreferableoveranotherlevelofstability.1.1Thistestmethodcoversthestabilityofacompostsamplebymeasuringoxygenconsumptionafterexposureofthetestcomposttoawell-stabilizedcompostundercontrolled-compostingconditionsonalaboratoryscaleinvolvingactiveaeration.Thistestmethodisdesignedtoyieldreproducibleandrepeatableresultsundercontrolledconditionsthatresembletheendoftheactivecompostingphase.Thecompostsamplesareexposedtoawell-stabilizedcompostinoculumthatispreparedfrommunicipalsolidwasteorwastesimilartothewastefromwhichthetestmaterialsarederived.Theaerobiccompostingtakesplaceinanenvironmentwheretemperature,aeration,andhumidityaremonitoredcloselyandcontrolled.1.2Thistestmethodyieldsacumulativeamountofoxygenconsumed/gofvolatilesolidsinthesamplesoverafour-dayperiod.Therateofoxygenconsumptionismonitoredaswell.1.3Thistestmethodisapplicabletodifferenttypesofcompostsamplesincludingcompostsderivedfromwastes,suchasmunicipalsolidwaste,yardwaste,source-separatedorganics,biosolids,andothertypesoforganicwastesthatdonothavetoxicitylevelsthatareinhibitorytothemicroorganismspresentinaerobiccompostingsystems.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5ThereisnosimilarorequivalentISOmethod.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection8.
【中国标准分类号】:B11
【国际标准分类号】:13_030_40
【页数】:7P.;A4
【正文语种】:英语