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| | ISINGLASS - LoveToKnow Article on ISINGLASS (Site not responding. Last check: ) |
 | | Russian isinglass generally appears in commerce as leaf, book, and long and short staple; Brazilian isinglass, from Para and Maranham, as pipe, lump and honeycomb; the latter product, and also the isinglass of Hudsons Bay, Penang, Manila, andc., is darker in color and less soluble than the Russian product. |
 | | The finest isinglass, which comes from the Russian ports of Astrakhan and Taganrog, is prepared by steeping the sounds in hot water in order to remove mucus, andc.; they are then cut open and the inner membrane exposed to the air; after drying, the outer membrane is removed by rubbing and beating. |
 | | This property is the more remarkable since it is not possessed by ordinary gelatin; it has been ascribed to its fibrous structure, which forms, as it were, a fine network in the liquid in which it is disseminated, and thereby mechanically carries down all the minute particles which occasion the turbidity. |
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