CN Patent

CN109521125B — 一种竹木类产品中防菌防霉剂的检测方法

Assigned to Guangdong Product Quality Supervision And Inspection Institute Guangzhou Electric Safety Inspection Institute Of State Bureau Of Quality And Technical Supervision Guangdong Provincial Test And Certification Institute Hua'an Laboratory · Expires 2021-06-25 · 5y expired

What this patent protects

本发明涉及检测技术领域,具体涉及一种竹木类产品中防菌防霉剂的检测方法。本发明包括以下步骤:将固体样品切割并剪磨为粒径小于5mm*5mm的颗粒,称取4g经粉碎的试样于50mL离心管中,加入20mL甲醇,拧紧盖子,涡旋混匀,浸泡60min后超声提取10min,3000r/min离心5min,移取上清液于50mL容量瓶中,重复提取1次,定容至刻度,转移至125mL鸡心瓶中用旋转蒸发器蒸发至近干,用甲醇定容至1mL,过0.45μL有机滤膜,并输入配有二极管阵列检测器的高效液相色谱仪中进行检测。本发明提供的检测方法可对竹木类产品中15种防菌防霉剂进行快速、准确的检…

USPTO Abstract

本发明涉及检测技术领域,具体涉及一种竹木类产品中防菌防霉剂的检测方法。本发明包括以下步骤:将固体样品切割并剪磨为粒径小于5mm*5mm的颗粒,称取4g经粉碎的试样于50mL离心管中,加入20mL甲醇,拧紧盖子,涡旋混匀,浸泡60min后超声提取10min,3000r/min离心5min,移取上清液于50mL容量瓶中,重复提取1次,定容至刻度,转移至125mL鸡心瓶中用旋转蒸发器蒸发至近干,用甲醇定容至1mL,过0.45μL有机滤膜,并输入配有二极管阵列检测器的高效液相色谱仪中进行检测。本发明提供的检测方法可对竹木类产品中15种防菌防霉剂进行快速、准确的检测,从而加强对竹木食品相关产品进行有效的监控。

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Patent Metadata

Patent number
CN109521125B
Jurisdiction
CN
Classification
Expires
2021-06-25
Drug substance claim
No
Drug product claim
No
Assignee
Guangdong Product Quality Supervision And Inspection Institute Guangzhou Electric Safety Inspection Institute Of State Bureau Of Quality And Technical Supervision Guangdong Provincial Test And Certification Institute Hua'an Laboratory
Source
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