您的位置: 标准下载 » 国际标准 » ISO 国际标准 »

ISO 9061-1993 酸性和陶瓷性荧石铁含量的测定1,10-菲啉光谱法

作者:标准资料网 时间:2024-05-15 09:19:10  浏览:9522   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Acid-gradeandceramic-gradefluorspar;determinationofironcontent;1,10-phenanthrolinespectrometricmethod
【原文标准名称】:酸性和陶瓷性荧石铁含量的测定1,10-菲啉光谱法
【标准号】:ISO9061-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-04
【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/TC175
【标准类型】:()
【标准水平】:()
【中文主题词】:陶瓷工业;光谱测定法;萤石;铁;铁含量;含量测定;矿物;菲咯啉;化学分析和试验
【英文主题词】:Ceramicindustry;Chemicalanalysisandtesting;Determinationofcontent;Fluorspar;Iron;Ironcontent;Minerals;Phenanthroline;Spectrometry
【摘要】:Themethodspecifiedisbasedonalkalinefusionofatestportionwithamixtureofsodiumcarbonateandboricacid,dissolutionofthemeltinexcesshydrochloricacid,reductionoftheiron(III)withhydroxylammoniumchloride,formationoftheiron(II)-1,10-phenanthrolinecomplexinabufferedmedium(pHbetween3and5),spectrometricmeasurementoftheabsorbanceofthecolouredcomplexatawavelengthofabout510nm,correspondingtotheabsorptionmaximum.Appliestoproductshavingironcontents,expressedasFeO,intherange0,1%(m/m)to2,0%(m/m).
【中国标准分类号】:D52
【国际标准分类号】:73_080;81_060_10
【页数】:7P.;A4
【正文语种】:英语


下载地址: 点击此处下载
Product Code:SAE AMS5132
Title:Steel, Bars, 0.90 - 1.03C
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a high-carbon steel in the form of bars.Product Code:SAE AMS3277
Title:Sealing Compound, Polythioether Rubber, Fast Curing for Integral Fuel Tanks and General Purpose, Intermittent Use to 400 掳F (204 掳C)
Issuing Committee:Ams G9 Aerospace Sealing Committee
Scope:This specification covers polythioether rubber fuel resistant sealing compounds supplied as a two-component system which cures at room temperature.