Han Feng

Articles

pure tin ore, mined in south america. | Image Credit: © RHJ - stock.adobe.com.

Detection of Trace Tin(II) by Salicylfluoroketone Complex Fluorescence Method

Han Feng;Sheng Li;Zhang Xin;Li Hai-su;Su Bi-quan

February 1st 2024

A complex fluorescence method utilizing the Sn(II)-salicylfluorescein (SAF)-cetyltrimethylammonium bromide (CTMAB) system demonstrated effective detection of Sn(II) with a linear relationship between its concentration and fluorescence intensity, along with successful application in various sample matrices with high recovery rates.

Polished glowing surface of meteorite, composed by high density heavy metals, mostly iron and nickel with traces of cobalt. Close up. Hoba, Namibia, Africa. | Image Credit: © fabio lamanna - stock.adobe.com.

Determination of Trace Nickel(ΙΙ) Using a Kinetic Fluorescence Method with a Morin-Hydrogen Peroxide System

Zhang Xin;Sheng Li;Han Feng;Li Hai-su;Su Bi-quan

February 1st 2024

In this peer-reviewed article, the research team presents a kinetic fluorescence method suitable for the determination of trace Ni(II) in water samples.

Kinetic Fluorimetric Determination of Formaldehyde by Oxidation of Rhodamine B with Potassium Bromate

Wang Zhao-qun;Sheng Li;Han Feng;Zhang Xin;Li Hai-su;Su Bi-quan

October 1st 2022

A kinetic fluorimetric method was established for the determination of formaldehyde in synthetic water samples and laundry water by potassium bromate oxidation of rhodamine B.