| 释义 |
erythrosin Chem.|ɛˈrɪθrəsɪn|
Also -ine.
[irreg. f. Gr. ἐρυθρός red + -in1.]
A red colouring matter obtained from fluorescein by the action of iodine, used in photography and as a histological stain.
1884Photogr. Jrnl. Dec. 52 Each of the following colouring matters was found to exercise a sensitizing action..for the extreme red rays of the solar spectrum. Iodine green,..erythrosin, pyrosin. 1891Jrnl. Camera Club V. 123–7. 1892 Photogr. Ann. II. 72 Plates sensitised with erythrosin and erythrosin silver. 1908Jrnl. Chem. Soc. XCIV. i. 669 When silver nitrate is added to an excess of a dilute solution of erythrosin, a much more intensely colloidal solution of the silver salt of erythrosin is obtained. 1926Encycl. Brit. Suppl. III. 133/2 Erythrosine, that is the tetra-iodo derivative of fluorescein, was found by Eder to be the most suitable dye for sensitising in the green and yellow. 1968Brit. Corrosion Jrnl. III. 31/1 The fruit salad contained a few cherries dyed with erythrosin. |