Use of Spectrophotometry for Quantitative Determination of Soil Clay Content
2005
Park, S.N. (The University of Seoul, Seoul, Republic of Korea) | Kim, K.H. (The University of Seoul, Seoul, Republic of Korea), E-mail: [email protected] | Kang, J.Y. (Seoul National University, Seoul, Republic of Korea)
This study was conducted to develop a method for the quantitative determination of soil clay content by spectophotometry. The optimum wavelength obtained with reference clay minerals for spectrophotometry was 500 nm. For the proposed spectrophotometry, 0.5 g of soil sample was put in the 250 ml Erlenmeyer flask and 100 ml dispersing agent was added. After shaking the flask at 130 rpm with a mechanical shaker overnight, the flask was removed from the shaker and was shaken up-and-down for 30 seconds.
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