HIGHLIGHTS
- who: Owner from the Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok, Thailand have published the article: An Indirect Colorimetric Method for Potassium Determination Articles An Indirect Colorimetric Method for Potassium Determination in Soil Using Paper Device, in the Journal: (JOURNAL)
- what: The aqueous phase containing the remaining calmagite is then transferred to the paper device where a is used to capture its color and convert it to RGB value.
- how: This spectrophotometry procedure is based on Madrakian et al . The results using the paper device and smartphone were compared with the . . .
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