A Brief History Of The Discovery Of Niobium

In 1801, the British chemist Charles Hatchett discovered niobium in a sample of an ore in the British Museum that had been sent to him in 1734 by John Winthrop of Connecticut, USA. Since niobium and tantalum are very similar, at first he thought they were the same substance. However, he later discovered that the compounds isolated from this mineral were not chromic acid but oxides of unknown metals. Since the mineral came from the United States, where Columbus discovered it, Hatchett named the ore Columbite in honor of its origin. In fact, because the two elements were so similar in nature, many people thought they were one and the same. In 1809, another British chemist, William Hyde Wollaston, incorrectly labeled "tantalum" and "columbium" as the same substance, believing that the two were identical in all respects except density.

In 1846, the German chemist Henrich Rosa analyzed different tantalum and coltan ores, and found that there was another element besides tantalum, which was very close to tantalum, and called this new element Niobium (Niobium was taken from the Greek mythological character Niobe, because the name of tantalum was derived from the Greek mythological character Tantalos, and Niobe was the name of Tantalos, which was the name of the Greek mythological character Tantalos, and Niobe was the name of Tantalos. Niobe was the daughter of Tantalos, which further demonstrated the similarity between tantalum and niobium. In 1864 and 1865, a number of scientific studies also demonstrated that columbium and niobium were the same element, and the two designations were used in common for the next century. In 1951, the Nomenclature Committee of the International Association of Pure and Applied Chemistry decided to adopt niobium as the official name of the element.