1. A micro-solid phase extraction in glass pipette packed with amino-functionalized silica for rapid analysis of petroleum acids in crude oils. Issue 64 (21st August 2017) Authors: Zhu, Gang-Tian; He, Sheng; He, Xiao-Mei; Zhu, Shu-Kui; Feng, Yu-Qi Journal: RSC advances Issue: Volume 7:Issue 64(2017) Page Start: 40608 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Magnetic extractant with an Fe3O4@SiO2 core and aqueous ammonia coating for microextraction of petroleum acids. Issue 35 (29th May 2018) Authors: Zhu, Gang-Tian; Liu, Fei; He, Sheng; He, Xiao-Mei; Zhu, Shu-Kui; Feng, Yu-Qi Journal: RSC advances Issue: Volume 8:Issue 35(2018) Page Start: 19486 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗