Anthracite latter in two or three sizes, all three being above in (38 mm) size on round-hole screens. High grade (HG) and ultra high grade (UHG) anthracite are the highest grades of anthracite coal. They are the purest forms of coal, having the highest degree of coalification, the highest carbon count and energy content and the fewest impurities (moisture, ash and volatiles). High grade and ultra high grade anthracite are harder than standard grade anthracite, and have a higher relative density. An example of a chemical formula for high-grade anthracite would be CHONS, representing 94% carbon. UHG anthracite typically has a
Council at the Highest Court of the Russian Empire In 1786, a senior member of the Collegium of Foreign Affairs, Count Alexander Bezborodko (died in 1799) entered the council. In 1787, the council included: In 1792, the Senate Prosecutor General Alexander Samoylov entered the council. Council at the Highest Court of the Russian Empire The Council at the Highest Court was the highest advisory institution in the Russian Empire that existed since 1768 to 1801. It was created on November 28, 1768 by Catherine the Great as an emergency body to discuss issues related to the conduct of the war with the Ottoman Empire. Initially, it was going irregularly,