GB/T 11213.2-2007
ActiveSodium hydroxide for chemical fiber use - Determination of sodium chloride content - Spectrometric method
化纤用氢氧化钠 氯化钠含量的测定 分光光度法
Application Summary AI generated
This standard specifies a spectrometric method for determining sodium chloride content in sodium hydroxide intended for chemical fiber production. It is applied in quality control laboratories within the chemical fiber industry to ensure the purity of sodium hydroxide used as a processing agent in viscose and other synthetic fiber manufacturing. The method relies on measuring light absorption to quantify chloride ions, providing a precise alternative to titration for low-concentration salt analysis.
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