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AttributesValues
rdf:type
dct:created
dct:modified
has broader
preferred label
  • efflorescence (en)
  • efflorescentie (nl)
  • eflorescencia (es)
dc:identifier
  • 300214748
is in scheme
scope note
  • Un depósito de polvo blanco en la superficie de una piedra, ladrillo u obra de concreto, causado por sales solubles que afloran a la superficie cuando cristalizan. (es)
  • Een losjes hechtende substantie, meestal een wit kristallijnen poederachtige afzetting op het oppervlak van (bak)steen, mozaïekblokjes of cement, veroorzaakt doordat oplosbare zouten worden aangetrokken tot het oppervlak, waar ze vervolgens kristalliseren. (nl)
  • A white powdery crust formed by extraneous salts evolving on the surface of stone, plaster, ceramics, or another material as the result of water migration and subsequent evaporation. Typical efflorescence on masonry surfaces, mural paintings, and frescoes occurs when moisture dissolves water soluble salts, then migrates to the surface, where the water evaporates leaving a salt residue. Efflorescence crystal growth can result from fluctuations in water vapor pressure that occur with changing humidity and temperature. The salts most commonly found in efflorescence are sulfates, carbonates, and chlorides of sodium, potassium, magnesium, calcium, and iron. (en)
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