Name | Amaranth red aluminium lake |
Synonyms | LAKE AMARANTH SPL Amaranth aluminium lake Amaranth Red Aluminum Lake Amaranth red aluminium lake |
Physical and Chemical Properties | Chemical properties purple fine powder. No smell. The chromaticity is related to the fineness of the powder. The finer the particle, the higher the chromaticity. It has better light resistance and heat resistance than amaranth. Almost insoluble in water and organic solvents. In acidic and alkaline water, the pigment slowly dissolves. Therefore, it is used for acidic and alkaline foods and is easy to mix evenly. If an aqueous solution is used, precipitation will occur. |
Use | Use 1, edible red pigment. Can be used for oil products, powder food (cake powder, powder juice, cabbage powder, etc.) coloring, tablets and other coating coloring (sugar coating and film coating). Food packaging materials, printing inks, food appliances, toys and other coloring. Can be mixed with other pigment aluminum Lake preparation of pigment after use. 2, for food, medicine, cosmetics coloring |
from aluminum sulfate, aluminum chloride and other aluminum salt aqueous solution and sodium hydroxide or sodium carbonate alkali action, add amaranth aqueous solution, make it adsorbed, filtered, dried, crushed. The adsorption rate of the pigment of the sulfate-containing person is poor. The matrix of the aluminum lake is basic aluminum.