Micro-spectrophotometric determination of nickel in Gentiana rigescens after switchable hydrophilicity solvent-based ultrasound-assisted liquid phase microextraction

2021 ◽  
pp. 106402
Author(s):  
Xiaofang Yang ◽  
Caixia Yan ◽  
Yiping Sun ◽  
Yong Liu ◽  
Shengchun Yang ◽  
...  
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