SODIUM

(Lat.), n. n. Sod'i2-um(u4m). A metallic element discovered in 1807 by Sir H. Davy, who prepared it by electrolysis of caustic soda. It is one of the alkali metals, of a silvery-white color, waxy at ordinary temperature, melting at 95'6 C., aud volatilizing at a red heat. It readily oxidizes on exposure to moisture, and unites with pota ium to form an alloy which at ordinary temperatures is a liquid resembling mercury. Atomic weight. 23; symbol, Na (for natrium); sp. gr., 0'972. [B: B, 95 (a, 38).] Acid s. carbonate. See S. bicarbonate. Acid s. chromate. See S. dichromate. Acid s. met antimonate. A crystalline substance, Na2H2Sb2O7 + 6H2O, distinguished as being the only salt of s. insoluble in cold water. Its formation is therefore used as a test for the presence of s. [B, 3.] Acid s. sulphite. See S. bisulphite. Anhydrous s. acetate. Lat., acetas sodee anliydrus [Belg. Ph.]. A substance, NaC2H3O3, occurring as a white powder or as a crystalline ma . [B. 95 (a, 38).] Basic s. salicylate. See Dibasic s. salicylate. Bromure de s. (Fr.). See S. bromide. Chlorure de s. (Fr.). See 8. chloride. Chlorure de 8. du commerce (Fr.). See ScaSALT. Chlorure de s. purifl6 (Fr.). See S. chloride. Chlorure d'oxyde de s. (Fr.). See Liquor SOD^E chloratce. Chloruretum sodii depuratum. See S. chloride. Crude s. carbonate. Lat., carbon as natricus [Swed. Ph.] (crud us [Finn. Ph., Netherl. Ph.], seu venal is [Dan. Ph.]), carbon as sodee venal is [Belg. Ph.], natrum carbon i cum crystal lisa tum crudum [Ru . Ph.], natrum sub carbon i cum crudum [Gr. Ph.], natrium carbon i cum crudum [Ger. Ph., Swi Ph.]. Sp.. sal de sos a [Sp. Ph.]. Impure s. carbonate, occurring as large colorle and odorle transparent crystals of strong alkaline taste and reaction, and containing at least 32 per cent. [Ger. Ph., Finn. Ph.] (33 [Ru . Ph., Belg. Ph.], 36'17 [Swi Ph.]) of pure anhydrous s. carbonate. [B, 95 (a, 38).] Crude s. sulphate. Lat., natrum sulfur i cum (seu sulphur i cum [Gr. Ph.]) crudum [Ru . Ph.]. r.,sulfate de soude du commerce [Fr. Cod.]. Sp., sal de Glaubero [Sp. Ph.], An impure s. sulphate, which must, however, be free from metallic substances [Gr. Ph., Ru . Ph.] (from these and also from magnesium oxide and alkaline earths [Sp. Ph.]), and have a neutral reaction [Gr. Ph., Ru . Ph.]. [B, 95 (a, 38).] Dibasic s. salicylate. "Neutral" s. salicylate, C7H4Na2O3 = C6(H,H,H,H,ONa,COONa,); derived from s. salicylate by heating to 220 C. [B, 4.] Dried commercial s. carbonate. Lat., natrum carbon i cum calcinatum, soda calcinata [Ru . Ph.]. Fr.. carbonate de soude sec du commerce [Fr. Cod.]. A white amorphous powder of no odor and caustic taste, containing, according to the Fr. Cod., at least 95 per cent, of pure s. carbonate. [B, 95 (o, 38).] Dried s. carbonate. Lat.. carbon as natricus siccatus [Dan. Ph.], carbon as sodee siccatus [Belg. Ph.], natrium (seu natrum [Ru . Ph.]) carbon i cum siccum [Ger. Ph.], natrium carbon i cum dilapsum [Swi Ph.] (seu siccum [Austr. Ph., Hung. Ph.]), natrum sub carbon i cum siccum [Gr. Ph.], sodii carbon as exsiccatus [U. S. Ph.] (seu exsiccata [Br. Ph.J). S. carbonate dried in various ways so as to produce a rather loose granular powder containing not more than 26 per cent, of water, wnereas the undried salt contains sometimes nearly 63 per cent. [B, 95 (o, 38).] Dried s. phosphate. Lat., natrum phosphori cum siccum [Ru . Ph.], phosphas natricus siccatus [Dan. Ph.]. A white powder easily soluble in water, made by drying s.-phosphate crystals till they have lost about } [Dan. Ph.] (| [Ru . Ph.]) of their weight, and sifting. [B, 95 (o, 38).] Dried s. sulphate. Lat., natrium sulfur i cum dilapsum [Swi Ph.] (seu siccum [Ger. Ph.. Austr. Ph., Hung. Ph.]), natrum sulfur i cum (seu sulphur i cum [Gr. Ph.]) siccum [Ru . Ph.], sulfas natricus siccus [Finn. Ph.], sulphas natricus siccatus [Dan. Ph.]. A fine, white loose powder obtained by drying coarsely triturated s. sulphate till it has lost half its weight [Ger. Ph., Finn. Ph., Ru . Ph.] (nearly half [Austr. Ph.. Dan. Ph., Hung. Ph.]), or till completely powdered [Swi Ph.] (till completely dry [Gr. Ph.]), and sifting [Dan. Ph., Finn. Ph., Ger. Ph., Ru . Ph., Swi Ph.]. [B, 95 (o, 38).] Glyceritum sodii boratis. See Glycerinum BORACIS (under BORAX). Honey of s. biborate. See Mel sodii boratis. Hydrogen s. antimonite. A crystalline substance, NaH2Sb3O? = NaH,,(SbO2V [B, 3.] Hydrogen s. sulphite. See S. sulphite. Hypochloris sodii liquidus [Belg. Ph.]. See Liquor SODM chloratce. Hypo sulph is sodii [Belg. Ph.]. See S. thiosulphate. lodure de' s. (Fr.). See S. iodide. Liquor sodii arseniatis [U. S. Ph., Br. Ph.]. Fr., solute d'arseniate de soude. Ger., arxcnsaure Natronlosung. Sp., solucion de arseniato sodico [Sp. Ph.]. Syn.: arsem'ns sodic us aqua solutus [Fr. Cod.], liquor arsenicalix Pearson [Belg. Ph., Swi Ph.J, solutio arseniatis natrici [Dan. Ph.]. Solution of s. arsenate, Pearson's solution; an aqueous solution of s. arsenate containing 1 part of the anhydrous salt in 100 [U. S. Ph., Br. Ph.] (501 [Swi Ph.], 839 [Dan. Ph.], 1,000 [Belg. Ph.], 1,008 [Fr. Cod., Sp. Ph.]) parts. [B, 95.J Liquor sodii carE, he; E, ell; G, go; I, die; I", in; N, in; N", tank: [s. 494]