气相色谱法同时测定呋喃树脂中糠醇和苯酚
Shanxi Chemical Industry(2022)
Abstract
建立了乙醚为溶剂,气相色谱法快速测定呋喃树脂中糠醇及苯酚含量的方法.呋喃树脂经乙醚稀释后直接进样,19091N-1131毛细管柱(HP-INNOWAX 30 m×0.32 mm×0.25μm)分离,氢火焰离子检测器测定,优化了色谱条件,采用外标法定量.所建立的方法对糠醇及苯酚分离度好,线性范围分别为0 mg/mL~20 mg/mL、0 mg/mL~10 mg/mL,相关系数均大于0.999,检出限低,精密度高,回收率理想.本方法灵敏度高、重现性好、结果准确可靠,可快速定量呋喃树脂中的糠醇及苯酚.
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