CN Patent

CN108896675B — 一种l-瓜氨酸-dl-苹果酸的高效液相检测方法

Assigned to Jing Jing Pharmaceutical Co ltd · Expires 2020-10-16 · 6y expired

What this patent protects

本发明涉及一种L‑瓜氨酸‑DL‑苹果酸的高效液相检测方法,色谱条件为:色谱柱:十八烷基硅烷键合硅胶色谱柱;流动相:19~21g/L磷酸氢二铵溶液,pH2.0±0.1;检测波长:212~216nm;柱温:25~35℃。本方法所得色谱峰与杂质峰有很好的分离效果,能够准确测定出待测样品中L‑瓜氨酸‑DL‑苹果酸的含量,可用于检测待测产品中L‑瓜氨酸‑DL‑苹果酸的含量。并且本发明操作便捷,在同样的时间内可以检测多个样品,显著提高了检测的工作效率,节省了人工、时间和溶剂等成本。

USPTO Abstract

本发明涉及一种L‑瓜氨酸‑DL‑苹果酸的高效液相检测方法,色谱条件为:色谱柱:十八烷基硅烷键合硅胶色谱柱;流动相:19~21g/L磷酸氢二铵溶液,pH2.0±0.1;检测波长:212~216nm;柱温:25~35℃。本方法所得色谱峰与杂质峰有很好的分离效果,能够准确测定出待测样品中L‑瓜氨酸‑DL‑苹果酸的含量,可用于检测待测产品中L‑瓜氨酸‑DL‑苹果酸的含量。并且本发明操作便捷,在同样的时间内可以检测多个样品,显著提高了检测的工作效率,节省了人工、时间和溶剂等成本。

Drugs covered by this patent

Patent Metadata

Patent number
CN108896675B
Jurisdiction
CN
Classification
Expires
2020-10-16
Drug substance claim
No
Drug product claim
No
Assignee
Jing Jing Pharmaceutical Co ltd
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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