A Simple Colorimetric Procedure Using a Smartphone Camera for Determination of Copper in Copper Supported Silica Catalysts
ผู้เขียน :
Nuntaporn Moonrungsee
,
Somkid Pencharee
,
Jaroon Junsomboon
,
Jaroon Jakmunee
,
Nipat Peamaroon
เผยแพร่วันที่ :
18 มี.ค. 2563
ประเภท :
บทความวิจัยที่ตีพิมพ์ในวารสารวิชาการระดับนานาชาติ
วารสารวิชาการ :
Journal of Analytical Chemistry
เล่มที่ :
75
ฉบับที่ :
2
หน้า :
200-207
ผู้เผยแพร่ :
SPRINGER
รายละเอียด :
A simple and low cost colorimetric procedure using an Android smartphone was developed
for determination of copper(II) in copper supported silica catalysts. The developed software was installed in
a smartphone for measuring the intensity of the blue color produced by the reaction between copper(II) and
2-carboxy-2'-hydroxy-5'-sulfoformazyl-benzene in an acidic solution. More than one sample can be measured
by taking only one photo shot. Under the selected conditions, the linear range from 0 to 5 mg/L was
obtained with the detection and quantitation limits of 0.04 and 0.13 mg/L, respectively. The method provided
a good precision with the percent relative standard deviation values less than 5%. The percent recoveries were
in the range of 97–104%. The results corresponded well with those obtained by atomic absorption spectrophotometry.
This developed method is convenient, rapid and simple with an uncomplicated device.
ลิงค์ :