GB/T 12689.1-2010
ActiveMethods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry
锌及锌合金化学分析方法 第1部分：铝量的测定 铬天青S-聚乙二醇辛基苯基醚-溴化十六烷基吡啶分光光度法、CAS分光光度法和EDTA滴定法
Application Summary AI generated
This standard specifies three methods for determining aluminum content in zinc and zinc alloys: spectrophotometry using Chromazurol S with surfactants, a simpler CAS spectrophotometric method, and EDTA titrimetry. It is applied in the metallurgical industry for quality control and chemical analysis of zinc-based materials, including ingots, sheets, and castings. The standard ensures accurate aluminum measurement across different concentration ranges, supporting compliance with material specifications in manufacturing and recycling processes.
Related Standards
GB/T 5153-2003
Designation and composition of wrought magnesium and magnesium alloys
GB/T 12690.4-2003
Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method
GB/T 12690.12-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method
GB/T 12690.11-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method
GB/T 12690.10-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method
GB/T 12690.13-2003
Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum
GB/T 12690.5-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、Mn、Pb、N
GB/T 12690.6-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate，1，10-phenanthroline spectrophotometric method
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.