The heat of formation at 25 °C, ?H°f = -16,228 kJ/mole, of calcium aluminate tricarbonate, 3CaO · Al2O3 · 3CaCO3 · 3OH2O (c), was determined by the heat-of-solution method, with 2N HCI as the solvent, and 3CaO · Al2O3 · 6H2O (c) and CaCO3 (c) as...
Yarns were spun in the bureau's experimcntal cotton mill from 1-inch and 1 - 1/16-inch staples, middling grade cotton, using single and double roving organizations. Seven counts of combed yarns (1 -1/16-inch staple) and five counts of carded yarns...