en

soda ash

1

Terminological databases

EKI terminibaas Esterm

ID 726917 Last modified 25.04.2024
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Domain inorganic chemistryfood chemicals
  • valge, vees hästi lahustuv (17,7% 20 °C juures) tahkis, mille lahus on hüdrolüüsi tõttu aluseline
  • inorganic compound with the formula Na2CO3 and its various hydrates
    Good to know
    • The monohydrate, Na2CO3.H2O, is a white crystalline material, which is soluble in water and insoluble in alcohol; r.d. 2.532; loses water at 109°C; m.p. 851°C. The decahydrate, Na2CO3.10H2O (washing soda), is a translucent efflorescent crystalline solid; r.d. 1.44; loses water at 32–34°C to give the monohydrate; m.p. 851°C.
Good to know
  • Na2CO3 on tähtis pesemisaine ja klaasi tooraine, mida kuni 18. sajandi lõpuni saadi soodajärvedest või merevetikate tuhast.
naatriumkarbonaat
Usage examples
  • Klaasi peamisteks koostisosadeks on ränidioksiid (SiO2), naatriumkarbonaat (Na2CO3), kaltsiumkarbonaat(CaCO3) ning magneesium- (MgO) ja alumiiniumoksiid (Al2O3).
sooda
Usage examples
  • Selleks, et klaasi sulatamistemperatuuri vähendada, lisatakse juurde naatriumkarbonaati ehk soodat (Na2CO3).
  • Sulamistemperatuuri alandamiseks lisatakse soodat (naatriumkarbonaati Na2CO3) või potast (kaaliumkarbonaati K2CO3).
Good to know
  • Naatriumkarbonaadi arginimetus on (veevaba) sooda, sest kristallhüdraati Na2CO3·10H2O naatriumkarbonaat-vesi (1/10) nimetatakse argielus kristallsoodaks, mõnikord ka pesusoodaks.
Na2CO3 formula
sodium carbonate preferred
Usage examples
  • Sodium carbonate is used in photography, in cleaning, in pH control of water, in textile treatment, glasses and glazes, and as a food additive and volumetric reagent.
soda ash
Na2CO3 formula

Aianduse terminibaas

ID 508387 Last modified 17.11.2024
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