| 释义 |
‖ sulphur vivum|ˈsʌlfə ˈvaɪvəm|
[L., = living sulphur.]
Native or virgin sulphur; also, in a fused, partly purified form (see quot. 1855).
1651French Distill. iii. 69 Take of Sulphur vivum as much as you please. 1728Chambers Cycl. s.v. Sulphur, Sulphur Vivum is thus called, as being such as it is taken out of the Mine. 1855J. Scoffern in Orr's Circ. Sci., Elem. Chem. 337 The first rough process of purification consists in exposing the sulphureous materials to a temperature above the fusing point of sulphur... The fused sulphur, brought to this condition, is poured off and allowed to consolidate. It is still far from pure, and is known in commerce under the name of sulphur vivum. |