Solubility: Gypsum is moderately soluble in drinking water, with a solubility of about two grams per liter at twenty five°C. Interestingly, gypsum reveals retrograde solubility, indicating its solubility decreases as h2o temperature will increase – contrary to most salts that grow to be extra soluble in scorching drinking water. Calcination: https://www.propanraya.com/id/produk/eco-gypsum-ee-4050