NF C63-002-1998 控制线路装置和开关元件近似感应器.直流电.开关放大器和近似感应器界面

上一篇: NF E37-500/A1-1998 NFE37-500的补充件1
下一篇: NF C54-165-1998 受谐波影响的工业用交流电网络.过滤器和分流电容器的应用

【英文标准名称】:Waterquality-Determinationoforthophosphateandtotalphosphoruscontentsbyflowanalysis(FIAandCFA)-Part2:Methodbycontinuousflowanalysis(CFA)
【原文标准名称】:水质.用流量分析(FIA和CFA)法测定正磷酸盐和含磷总量.第2部分:连续流量分析法(CFA)
【标准号】:ISO15681-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12
【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/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:磷含量;水质试验;正磷酸盐;阴离子;流量分析;磷;含量测定;试验;含磷化合物;质量;水;分析;水常规;水化学;水质;化学分析和试验
【英文主题词】:Analysis;Anions;Chemicalanalysisandtesting;Chemistryofwater;Continuous;Determination;Determinationofcontent;Eluate;Flowanalysis;Flows;Groundwater;Interferences;Orthophosphates;Phosphorus;Phosphoruscompounds;Phosphoruscontent;Potablewater;Quality;Sewage;Surfacewater;Testing;Water;Waterpractice;Waterquality;Watertesting
【摘要】:ThispartofISO15681specifiesCFAmethodsforthedeterminationoforthophosphateinthemassconcentrationrangefrom0,01mg/lto1,00mg/lP,andtotalphosphorusinthemassconcentrationrangefrom0,10mg/lto10,0mg/lP.Themethodincludesthedigestionoforganicphosphoruscompoundsandthehydrolysisofinorganicpolyphosphatecompounds,performedeithermanuallyasdescribedinISO6878[5],[6]orwithanintegratedUVdigestionandhydrolysisunit.ThispartofISO15681isapplicabletovarioustypesofwater(suchasground,drinking,surface,leachateandwastewater).Therangeofapplicationmaybechangedbyvaryingtheoperatingconditions.Thismethodisalsoapplicabletotheanalysisofseawater,butwithchangesinsensitivity,byadaptationofthecarrierandcalibrationsolutionstothesalinityofthesamples.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:16P;A4
【正文语种】:英语


Product Code:SAE AMS5586
Title:Nickel Alloy, Corrosion and Heat-Resistant, Welded Tubing, 57Ni - 19.5Cr - 13.5Co - 4.2Mo - 2.9Ti - 1.4Al - 0.006B - 0.08Zr, Consumable Electrode Remelted or Vacuum Induction Melted, Annealed
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of welded and drawn tubing.