Native soda

Nitrogen - the atomic number is 7 and the chemical symbol is N. The name derives from the Latin nitrum and Greek nitron for native soda and genes for forming because of nitrogen s presence in potassium nitrate (KNO3), so called salpeter or nitre or native soda. It was discovered by the Scottish physician and chemist Daniel Rutherford in 1772. 

Native Sodas,—In France, Spain, and other countries where common salt is scarce, or where the duty upon this article is so great os to prevent its conversion into carbonate of soda, plants and alkaline waters are extensively consumedfortkofloda they contain. Besides these two great sources, carbon at of soda also occurs mineralized In some countries, though not in any great quantity, and is generally the residue of the evaporation of alkaline waters. 

While it thus happened that other nations were almost entirely dependent upon Spain for a suppIyofacda,Great Britain produced large quantities of native soda under the form of kdp, tbe manufacture of which was carried on at a very early period on the North and West coasts of Ireland, and later on the Western shores and islands of Scotland. This branch of trade was especially brisk at the commencement of the present century when, to meet the exigencies of the war, high duties were imposed upon the Spanish barilla. Tbe annual rental of the kelp shores of the island of North Uist alone amounted at this timo to seven thousand pounds and at one period the entire quantity of 1edj> produced in Scotland, and ita adjacent islands, was estimated at more than tweuty-five thousaud tens annually. Still, the quantity of native soda thus obtained woe not sufficient to supply the demands of commerce and even in 1834, some years after the introduction of artificial node, barilla was imported to the amount of upwards of twelve thousand tons. - But more especially was France dependent upon Spain for supplies of... 

Hydrated carbonate Na2CO3 10H2O Natron, native soda... 

ALUMEN ALAFURI, or ALAFOR — Native Soda ALUMEN ALBEDANE — Zacharine Alum. 

Nitrogen N 7 14.01 1772 Daniel Rutherford (GB) Fr. nitrogens, derived from L. nitrum, native soda, or Gr. nitron, native soda, and Gr. genes, forming... 

Gustaf von Engestrom (Lund, i August 1738-Uppsala, 12 August 1813), warden of the Stockholm Mint, published on the blowpipe (see p. 174), on native soda kien) from China and borax poun-xa) from Tibet, pyrolusite, Chinese zinc ore, Chinese paktong, iron and steel, the separation of metals by means of liver of sulphur, the separation of silver from silver chloride by fusion with potassium carbonate, and the recovery of mercury from glass... 

Keir discovered the crystalline hydrate of sulphuric acid H2SO4, HgO, the m.p. of which he found to be 45° F. He also published on native soda from Bengal, nitric acid, the decomposition of common salt and sal ammoniac by copper, the crystallisation of glass, and the production of brandy in Chatra (Ramgur) from the flowers of a tree mdhwah)J... 

Johann Georg Model (Rothenburg on the Tauber, 8 February 1711-St. Petersburg (Leningrad), 22 March 1775), professor of pharmacy and political economy in St. Petersburg (Leningrad), published memoirs on borax, common salt, Persian salt (native soda), sal ammoniac, turf, coal, mineral resin, rhubarb, camphor, ergot, brandy, DippePs oil, etc. The dissertations on borax and sal ammoniac are not without interest. 

---