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22.793 Keywords • 48.341 Synonyms • 5.299 Translations • 7.909 Pronunciations • 151.949 Cross-references

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sodium (GB)
sodium (F)
sodio (ES)
sódio (PO)
sodio (I)

Very light, soft and silvery shiny metal or with 2.4% share the sixth most common element (Na) of the earth's crust. Because sodium is the main constituent of soda (sodium carbonate), it is usually referred to as sodium in foreign languages ​​(as was previously the case in German). It occurs in numerous minerals. Even in the oceans, a significant amount of sodium is dissolved. The most important sodium compound is Koch salt (Sodium chloride = NaCl). In plants, sodium plays a minor role. It is only needed by so-called C4 (eg millet, maize, sugarcane) and CAM plants (eg pineapple, cacti); but not of C3 plants (such as the Rebstock ). Sodium nitrate (sodium salt of nitric acid = oxygen acid of nitrogen) with the popular name Chilesalpeter is called fertilizer and used as a preservative. In wine, sodium is present in slight traces; see also under total extract,

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