| Determination of Accelerator TMTD in Rubber by High Performance Liquid Chromatography Method |
| Received:March 28, 2021 Revised:April 25, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.08.0618 |
| Key Words: accelerator TMTD；rubber；content；HPLC；DAD：ultrasonic extraction |
| Author Name | Affiliation | E-mail | | YOU Zhiyong | Comprehensive Technology centry of Quanzhou Customs | horsemsl@163.com | | CHEN Gaoqun | Comprehensive Technology centry of Quanzhou Customs | | | GAO Gongmin | Comprehensive Technology centry of Quanzhou Customs | | | RONG Jiefeng | Comprehensive Technology centry of Quanzhou Customs | | | MAO Shulu* | Comprehensive Technology centry of Quanzhou Customs | horsemsl@163.com |
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| Abstract: |
| A method for the determination of accelerator TMTD content in rubber by high performance liquid chromatography-diode array detector（HPLC-DAD） was studied.The best test steps obtained were as follows：the rubber sample was extracted by ultrasonic with acetone for 30 min twice at room temperature，the extraction solution was combined，fixed volume and filtered，then eluted with acetonitrile/water with a volume ratio of 50/50 as the mobile phase，and which was detected at DAD wavelength of 215 nm using HPLC-DAD.When the mass concentration of accelerator TMTD of standard working solution was in the range of 0.5～10 mg·L-1，the linear correlation coefficient of standard working curve was 0.999 8，the spiked recovery of the blank sample was greater than 81% in the blank sample，and the detection low limit was 2.0 mg·kg-1. |
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