CN Patent

CN106483231A — 一种丙二醇脂肪酸酯中总单酯及游离丙二醇含量的测定方法

Assigned to Comprehensive Technology Center Jiangxi Entry And Exit Inspection And Quarantin · Expires 2017-03-08 · 9y expired

What this patent protects

本发明公开了一种丙二醇脂肪酸酯中总单酯及游离丙二醇含量的测定方法，采用毛细管柱气相色谱法同时测定丙二醇脂肪酸酯产品中的总单酯及游离丙二醇含量，向丙二醇脂肪酸酯样品中加入用吡啶定容的内标物溶液，与三甲基氯硅烷和N,N‑双三甲基硅三氟乙酰胺于烘箱中反应，用配氢火焰离子化检测器的气相色谱仪检测，与标样对照，根据保留时间定性，内标法定量。本发明采用毛细管柱气相色谱法同时测定丙二醇脂肪酸酯产品中的总单酯及游离丙二醇含量，方法合理，操作简便，能满足分析检测的需求。

USPTO Abstract

本发明公开了一种丙二醇脂肪酸酯中总单酯及游离丙二醇含量的测定方法，采用毛细管柱气相色谱法同时测定丙二醇脂肪酸酯产品中的总单酯及游离丙二醇含量，向丙二醇脂肪酸酯样品中加入用吡啶定容的内标物溶液，与三甲基氯硅烷和N,N‑双三甲基硅三氟乙酰胺于烘箱中反应，用配氢火焰离子化检测器的气相色谱仪检测，与标样对照，根据保留时间定性，内标法定量。本发明采用毛细管柱气相色谱法同时测定丙二醇脂肪酸酯产品中的总单酯及游离丙二醇含量，方法合理，操作简便，能满足分析检测的需求。

Drugs covered by this patent

Patent Metadata

Patent number
CN106483231A
Jurisdiction
CN
Classification
—
Expires
2017-03-08
Drug substance claim
No
Drug product claim
No
Assignee
Comprehensive Technology Center Jiangxi Entry And Exit Inspection And Quarantin
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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