Algin
a jellylike substance found If the leaflike thalli of a laminaria are in marine alge. It was discovered in ant becomes broken up in hours, forming a thick 1881 by E. C. C. Stanford, of Glasgow. the course of 24 ho immersed in water containing a little carbonate of soda, the whole cellular cent. of algin. This mass, after being fabric of the plant coarse linen. The properties of algin in gelatinous mass containing about 2 per cautiously heated, is filtered through textile fabrics, algin goes further and the soluble form are those of a very ary gums, and has the advanviscous gum, drying up to a transparent the ordinary Algin makes an excellent elastic film. As a size or dressing for does more work than starch or any of the ordinary gums, and has the advantage of being easily rendered insoluble in water. Algin makes an excellent thickening for soups, and, with the adresembles horn, and can be turned and It is a by-product of the dition of a little gelatine or isinglass, resembles horn, and can be turned and form of algin, in the dry state, polished. manufacture of iodine and is used in the preparation of photographic paper. in water.