Latices sentence example
- The trees and plants whose latices furnish caoutchouc in considerable quantity chiefly belong to the natural orders Euphorbiaceae, Urticaceae, Apocynaceae, Asclepiadaceae.
- On standing, some latices separate, more or less readily, into an upper layer resembling cream and consisting of the globules, and a lower watery layer.
- This separation can be rapidly effected with some latices by the use of a centrifugal machine, but this method has not yet been applied to any extent commercially.
- When exposed to air the latex gradually undergoes putrefactive changes accompanied by coagulation of the caoutchouc. The addition of a small quantity of ammonia or of formalin to some latices usually has the effect of preserving them for a considerable time.
- The proportion and nature of the proteids or albuminous materials varies considerably in different latices.Advertisement
- Of considerable importance to the value of the rubber is the absence of the resinous constituents which are present in greater or smaller proportion in all latices.
- A complete examination of a series of different latices has shown that, in many cases, e.g.
- In this respect it differs from gutta-percha, which, like caoutchouc, is derived from the latices of certain plants.
- ' Cedere squamigeris latices nitentibus aiunt Et liquidas aperire vias, quia post loca pisces Linquant, quo possint cedentes confluere undae.'