GB/T 15917.3-1995

Abolished

Dysprosium and dysprosium oxide--Determination of tantalum content--Para-chloride-phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method

金属镝及氧化镝化学分析方法 对氯苯基荧光酮-溴化十六烷基 三甲基胺分光光度法测定钽量

Standard Type
GBT
ICS
77.120.70
CCS
H14
Status
Abolished
Issue Date
1995-12-20
Implementation
1996-08-01
Centralized Committee
国家发展改革委
Issuing Authority
国家技术监督局

Application Summary AI generated

This standard specifies a spectrophotometric method for determining the tantalum content in dysprosium metal and dysprosium oxide, using para-chloride-phenylfluorone with cetyl trimethyl ammonium bromide and ethanol. It is applied in the metallurgical industry, specifically for quality control and chemical analysis of rare earth materials used in electronics, magnets, and optical devices. The method ensures precise measurement of trace tantalum impurities, which is critical for maintaining product purity and performance in high-tech applications.

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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.