ASTM D1179-2010 水中氟化物离子的标准试验方法

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【英文标准名称】:StandardTestMethodsforFluorideIoninWater
【原文标准名称】:水中氟化物离子的标准试验方法
【标准号】:ASTMD1179-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;电化学的;电机;氟化物;离子选择性;水;蒸馏;电极;氟化物含量;电极类;无机化合物-水;离子选择性电极法;SPADNS程序
【英文主题词】:analysis;electrochemical;electrode;fluoride;ionselective;water;Distillation;Electrodes;Fluoridecontent;Fluoride(ion)analysis;Inorganiccompounds--water;Ionselectiveelectrodemethod;SPADNSprocedure
【摘要】:Simpleandcomplexfluorideionsarefoundinnaturalwaters.Fluorideformscomplexingionswithsilicon,aluminum,andboron.Thesecomplexesmayoriginatefromtheuseoffluorinecompoundsbyindustry.Fluoridationofdrinkingwatertopreventdentalcariesispracticedbyalargenumberofcommunitiesinthiscountry.Fluorideismonitoredtoassurethatanoptimumtreatmentlevel,usuallynear1mg/L,ismaintained.1.1Thesetestmethodscoverthedeterminationoffluorideioninwater.Thefollowingtwotestmethodsaregiven:
【中国标准分类号】:C51
【国际标准分类号】:13_060_50
【页数】:7P.;A4
【正文语种】:


Product Code:SAE AMS4770
Title:Silver Alloy Brazing Filler Metal, 50Ag - 18Cd - 16.5Zn - 15.5Cu, 1160 to 1175 掳F (627 to 635 掳C) Solidus-Liquidus Range
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a silver alloy in the form of wire, rod, sheet, strip, foil, pig, powder, shot, and chips, and a viscous mixture (paste) of powder in a suitable binder.