ASTM E291-2009 苛性钠和苛性钾(氢氧化钠和氢氧化钾)的化学分析的标准试验方法

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【英文标准名称】:StandardTestMethodsforChemicalAnalysisofCausticSodaandCausticPotash(SodiumHydroxideandPotassiumHydroxide)
【原文标准名称】:苛性钠和苛性钾(氢氧化钠和氢氧化钾)的化学分析的标准试验方法
【标准号】:ASTME291-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:causticsoda;causticpotash;chloride;iron;potassiumcarbonate;potassiumhydroxide;sodiumcarbonate;sodiumhydroxide;sulfate;totalalkalinity;Chemicalanalysis--chemicals;Chlorideanalysis--cleaningagents/detergents;Detergentmaterials
【摘要】:Causticsodaandcausticpotashareusedinalargenumberofmanufacturingprocesses.Thechemicalsareavailableinseveralgradesdependingontheirintendeduse.Thetestmethodslistedin1.2provideproceduresforanalyzingcausticsodaandcausticpotashtodetermineiftheyaresuitablefortheirintendeduse.1.1Thesetestmethodscoveronlytheanalysesusuallyrequiredonthefollowingcommercialproducts:1.1.1Causticsoda(sodiumhydroxide),50and73%liquors;anhydrous(solid,flake,ground,orpowdered),and1.1.2Causticpotash(potassiumhydroxide),45%liquor;anhydrous(solid,flake,ground,orpowdered).1.2Theanalyticalproceduresappearinthefollowingorder:Alkalinity(Total),Titrimetric(for50to100%NaOHand45to100%KOH)
8to14
Carbonate,Gas-Volumetric(0.001gCO2,min)
15to24
Carbonate,Gravimetric(0.001gCO2,min)
25to33
Chloride,Titrimetric,(0.001gClx2212;,min)
34to40
Chloride,PotentiometricTitration(0.3to1.2%)
41to47
Chloride,IonSelectiveElectrode(0.6to120x03BC;g/g)
48to55
Iron,Photometric(0.005mgFe,min)
56to64
Sulfate,Gravimetric,(0.002gSO3,min)
65to71
Keywords
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