Louis Lemoine, French Divisional General during the French Revolutionary and Napoleonic Wars from 1789 to 1815 CITATION [CLOSE] Generals Who Served in the French Army during the Period 1789-1815. (Retrieved 2015, April 8) Louis Lemoine.
Iron Oxide Pigments / Synthetic Iron Oxide. Synthetic Iron Oxides have become increasingly important due to their pure hue, consistent properties, and tinting strength. Single-component forms are mainly produced with red, yellow, orange and black colours. Their composition corresponds to that of minerals hematite, goethite, lepidocrocite, and magnetite. Brown pigments usually consist of mixtures of red and/or yellow and/or black iron oxides.
Oak galls and iron(II) sulfate, ingredients of iron gall ink. Iron gall ink (also known as iron gall nut ink, oak gall ink, and common ink) is a purple-black or brown-black ink made from iron salts and tannic acids from vegetable sources.hile a very effective ink, the formula was less than ideal. Iron gall ink is acidic ranging from roughly equivalent to a lemon (pH â 2) to that of a cup of black coffee (pH â 5).