et

naatriumhüdroksiid

1 substantive

EKI Combined Dictionary 2026

Last modified 19.06.2025

Meanings

söövitav, tugevalt aluseline kristalne aine, mida kasutatakse nt torupuhastusvahendina ja seebi valmistamisel
Synonyms

Translations

Good to know

Keemiline valem: NaOH

Terminological databases

EKI terminibaas Esterm

ID 636633 Last modified 04.03.2024
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Domain inorganic chemistry
naatriumhüdroksiid
seebikivi former
NaOH
sodium hydroxide
caustic soda
  • valge, hügroskoopne, vees hästi lahustuv tahkis, tugev leelis
    Good to know
    • Ta on tugev leelis, mistõttu nahale sattudes tekitab põletust. Eriti hoiduda silma sattumast. Ta leiab rakendamist vedelkütuste töötlemisel, seebi keetmisel, tekstiili- ja paberitööstuses jm. Koduses majapidamises võib kasutada umbeläinud kraanikausi, kanalisatsioonitoru puhastamiseks (seebistab seina külge kleepunud rasvained).
  • a white translucent deliquescent solid, NaOH, soluble in water and ethanol but insoluble in ether; r.d. 2.13; m.p. 318°C; b.p. 1390°C
naatriumhüdroksiid
Usage examples
  • Üks olulisemaid ja levinumaid sööbeleelisi (-aluseid) on naatriumhüdroksiid, vananenud nimega seebikivi, sööbenaatrium, kaustiline sooda (caustic soda) (caustic inglise k. sööbiv). Teda saadakse NaCl vesilahuse elektrolüüsil.
seebikivi former
NaOH formula
sööbenaatrium former
sodium hydroxide
Usage examples
  • At room temperature, sodium hydroxide is a white crystalline odorless solid that absorbs moisture from the air. It is a manufactured substance. When dissolved in water or neutralized with acid it liberates substantial heat, which may be sufficient to ignite combustible materials. Sodium hydroxide is very corrosive.
  • Sodium hydroxide is used to manufacture soaps, rayon, paper, explosives, dyestuffs, and petroleum products. It is also used in processing cotton fabric, laundering and bleaching, metal cleaning and processing, oxide coating, electroplating, and electrolytic extracting. It is commonly present in commercial drain and oven cleaners.
caustic soda
NaOH formula

Koolisõnastikud 2005–2010

ID 599697 Last modified 03.03.2023
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Domain chemistry
гидроксид натрия
  • tugevate aluseliste omadustega valge tahke leelis valemiga NaOH
гидроксид натрия

Word forms

Inflection Type 22e

naatriumhüdroksiid naatriumhüdroksiidid
naatriumhüdroksiidi naatriumhüdroksiidide
naatriumhüdroksiidi naatriumhüdroksiide ~ naatriumhüdroksiidisid

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