A Rapid Extractive Spectrophotometric Method for the Determination of Tin with 6-Chloro-3-hydroxy-2-(2′-thienyl)-4-oxo-4<i>H</i>-1-benzopyran

<table>Absorption spectrum of Sn(II)-CHTB complex in dichloromethane. Curve  A: 1 <i>μ</i>g Sn/mL measured against reagent blank; Curve B: reagent blank measured against dichloromethane.</table>

Advances in Chemistry

fig1

Figure 1

Figure 1: A Rapid Extractive Spectrophotometric Method for the Determination of Tin with 6-Chloro-3-hydroxy-2-(2′-thienyl)-4-oxo-4<i>H</i>-1-benzopyran 

Advances in Chemistry

A Rapid Extractive Spectrophotometric Method for the Determination of Tin with 6-Chloro-3-hydroxy-2-(2′-thienyl)-4-oxo-4H-1-benzopyran

Figure 1