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What is Accurate Gypsum Content Measurement about?

This study developed a new method for determining gypsum content in soils using thermal analysis. Gypsum dehydrates to bassanite when heated, losing water mass. By equilibrating soil samples at a constant relative humidity before and after heating, the method accounts for clay water content, eliminating a major source of error. The method was tested on mixtures of minerals and soils with known gypsum contents, accurately determining gypsum levels within 1% compared to overestimations of up to 36% from other

Author

edward.lai

Language

EN