| Qualitative and Quantitative Analysis of Accelerator DPG in Vulcanizates by UPLC/Q-TOF MS |
| Received:September 21, 2018 Revised:September 21, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.02.0151 |
| Key Words: UPLC/Q-TOF MS；accelerator DPG；qualitative analysis；quantitative analysis |
| Author Name | Affiliation | E-mail | | WEN Shao* | Stone Laboratory Co. ，Ltd | wens@stonelab.com.cn | | ZHANG Qingzhi | Stone Laboratory Co. ，Ltd | | | WU Aiqin | Stone Laboratory Co. ，Ltd | |
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| Abstract: |
| A qualitative and quantitative analysis of the accelerator DPG in vulcanizates was established by UPLC/Q-TOF MS，gradient elution with acetonitrile＋water（volume fraction of methanoic acid was 0.000 3） as mobile phase was applied，and ESI source and positive ion mode were used for mass-spectrometry. The results showed that，the standard curve of accelerator DPG solution had good linearity with the real value in the range of mass concentration from 1 to 1 000 ng·mL-1，R2 was 0.995，the detection limit was 0.01 ng·mL-1，and the recovery was 94.0%～100.5%. |
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