Product Code:SAE J2130/1 Title:Identification of Self-Propelled Sweepers and Cleaning Equipment Part 1--Machines with a Gross Vehicle Mass Greater than 5000 kg Issuing Committee:Mtc2, Sweeper, Cleaner, And Machinery Scope:This SAE Standard applies to all self-propelled machines with a gross vehicle mass greater than 5000kg that are utilized to clean material from highways, parking lots, airfield runways, outside paved areas that are principally exposed to vehicular traffic. These machines may also be involved with road construction/repaving work. Primary methods for material removal and cleaning can be by mechanical, pneumatic, washing and flushing systems, or in a combination of any system.【英文标准名称】:Cryolite,naturalandartificial;Determinationofaluminiumcontent;Atomicabsorptionmethod 【原文标准名称】:天然和人造冰晶石铝含量的测定原子吸收法 【标准号】:ISO2830-1973 【标准状态】:现行 【国别】:国际 【发布日期】:1973-12 【实施或试行日期】: 【发布单位】:国际标准化组织(IX-ISO) 【起草单位】:ISO/TC47 【标准类型】:() 【标准水平】:() 【中文主题词】:含量测定;原子吸收法;化学分析;化学分析和试验;冰晶石;铝;原子吸收分光光度测定法;光度测量法 【英文主题词】:Aluminium;Atomicabsorptionspectrophotometry;Chemicalanalysisandtesting;Cryolite;Determinationofcontent;Photometry 【摘要】:ApplicabletoproductshavinganormalcompositionforwhichthemolarratioNaF/AlF3isequaltoabout3.Dissolutionofatestportioninconcentratedsuphuricacidandeliminationofhydrogenfluoride.Treatmentwithhydrochloricacidandwater.Atomizationofthesolutionintoanacetylenemeasurementoftheabsorptionofthe309.3nmlineemittedbyanaluminiumhollowcathodelamp.HasalsobeenapprovedbytheIUPAC. 【中国标准分类号】:D59 【国际标准分类号】:73_060_40 【页数】:3P.;A4 【正文语种】:英语