【英文标准名称】:StandardPracticeforPreparation,Standardization,andStorageofStandardandReagentSolutionsforChemicalAnalysis
【原文标准名称】:化学分析用试剂溶液的制备、标准化和贮存的标准操作规程
【标准号】:ASTME200-1997(2001)e1
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:(Practice)
【标准水平】:()
【中文主题词】:储存;准备;化学分析和试验;化合物;溶剂;工艺;分类
【英文主题词】:indicatorsolutions;reagentsolutions;standardsolutions;titrants
【摘要】:Theaccuracyofmanyanalyticalmeasurementsisdependentuponthemannerinwhichthestandardsolutionsarepreparedandstored,andtheaccuracywithwhichtheyarestandardized.Combiningthemethodsrecommendedforthepreparationandhandlingofsuchsolutionsintoonepracticeeliminatesthenecessityforcoveringsuchdetailsinallofthemethodswhereinthesolutionsareused.1.1Thispracticecoversproceduresforthepreparation,standardization,andstorageofthestandardvolumetricsolutionsandreagenttestingsolutionscommonlyusedinchemicalanalysis.1.2Theinformationinthispracticeisarrangedasfollows:SectionsReferencedDocuments2Terminology3SignificanceandUse4Apparatus5Temperatureeffects6Measurements7Reagents8Concentrationofsolutions9Mixingofsolutions10Storageofsolutions11Preparationandstandardizationofsolutions12PrecisionandBias13Sodiumhydroxidesolution,0.02to1.0N14to19Hydrochloricacid,0.02to1.0N20to28Sulfuricacid,0.02to1.0N29to33Hydrochloricacid,special1N34to38Sulfuricacid,special1N39to43Silvernitratesolution,0.1N44to48Ammoniumthiocyanatesolution,0.1N49to53Iodinesolution,0.1N54to58Sodiumthiosulfatesolution,0.1N59to63Potassiumpermanganatesolution,0.1N64to68Potassiumdichromatesolution,0.1N69to73Methanolicsodiumhydroxidesolution,0.5N74to79Cericsulfatesolution,0.1N80to84Acetousperchloricacid,0.1N85to89Disodiumethylenediaminetetraacetatesolution,0.05M90to94Standardionsolutions95Nonstandardizedreagentsolutionsandindicatorsolutions96