| 释义 |
trona Min.|ˈtrəʊnə|
[a. Swed. trona (1773), app. from Arabic ṭrōn, apocopate form of naṭrūn, natron, ad. Gr. νίτρον soda (Dozy).]
Native hydrous sodium carbonate, found in various places in N. Africa and America.
1799Kirwan Geol. Ess. 497 The trona was not deprived of its water of crystallization. 1850Ansted Elem. Geol., Min. etc. §371 Trona, Urao, Hydrous sesqui-carbonate of soda. 1866Lawrence tr. Cotta's Rocks Class. (1878) 51 Trona..forms a crust on the ground on mountain slopes..in Peru. |