"Натрийн гидроксид"-ны өөр хувилбарууд

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'''Натрийн гидроксид''' ('''NaOH'''), '''натрийн шүлт''', '''идэмхий натр''' эсвэл '''каустик сод''' гэж мөн нэрлэгддэг,<ref name="msd">{{cite web|title=Material Safety Datasheet|url= http://www.certified-lye.com/MSDS-Lye.pdf|work=certified-lye.com}}</ref><ref name="msd2">{{cite web|title=Material Safety Datasheet 2|url= http://www.hillbrothers.com/msds/pdf/sodium-hydroxide-10-50-liq.pdf|work=hillbrothers.com}}</ref> [[органик бус нэгдэл]]. Цагаан өнгөтэй, хурай, маш каустик (идэмхий) металл [[Суурь (хими)|суурь]]тай [[шүлтийн металл]]ын [[Давс (хими)давс]]. Үрэл, ялтас, зоос хэлбэртэйгээр эсвэл янз бүрийн [[концентраци]]тай [[уусмал]] байдалтайгаар худалдаалагддаг.<ref>[http://www.sigmaaldrich.com/analytical-chromatography/analytical-products.html?TablePage=103242111 "Sodium hydroxide solution"]. ''Sigma-Aldrich''.</ref> Sodium hydroxide forms an approximately 50% (by weight) [[saturated solution]] with water.<ref>Pubchem. [http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=14798&loc=ec_rcs#x27 "SODIUM HYDROXIDE | HNaO – PubChem"]. ''nih.gov''.</ref>
 
Sodium hydroxide is soluble in [[water]], [[ethanol]] and [[methanol]]. This [[alkali]] is [[deliquescent]] and readily absorbs [[moisture]] and [[carbon dioxide]] in [[air]].
 
Sodium hydroxide is used in many industries, mostly as a strong [[chemical compound|chemical]] [[pH|base]] in the manufacture of [[wood pulp|pulp]] and [[paper]], [[textile]]s, [[drinking water]], [[soap]]s and [[detergent]]s and as a [[drain cleaner]]. Worldwide production in 2004 was approximately 60&nbsp;million [[tonne]]s, while demand was 51&nbsp;million tonnes.<ref name = Ullmann/>