GB/T 11213.7-2008
ActiveTest methods of sodium hydroxide for chemical fiber use -Part 7:Determination of copper content-spectrometric method
化纤用氢氧化钠试验方法 第7部分：铜含量的测定 分光光度法
Application Summary AI generated
This standard specifies a spectrometric method for determining copper content in sodium hydroxide used specifically for chemical fiber production. It is applied in quality control laboratories within the chemical fiber industry to ensure that the sodium hydroxide feedstock meets purity requirements, as copper impurities can negatively affect fiber properties and processing. The method provides a standardized testing procedure for manufacturers and users to verify compliance with material specifications.
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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.