GB/T 13255.5-2009
ActiveTest methods of caprolactam for industrial use - Part 5: Determination of absorbance at a wavelength of 290nm
工业用己内酰胺试验方法 第5部分：290nm波长处吸光度的测定
Application Summary AI generated
This standard specifies a spectrophotometric method for measuring the absorbance of caprolactam at 290 nm, which indicates the presence of unsaturated impurities and oxidation byproducts. It is applied in the chemical industry for quality control of caprolactam used as a monomer in nylon-6 production, ensuring the material meets purity requirements for polymerization processes.
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