Iconography Pigment No 219 - Cobalt Blue Dark - 25gr KREMER

• Color Family
  Blue
• Paco code
  9851018
• Color Name
  Μπλε Κοβαλτίου Σκούρο FR ***
• No.
  219
• Manufacturer
  Kremer
• Product Type
  Dry Pigments
• Barcode
  4570000250003
• Size
  25gr
• SKU
  SKONES-219-25
• Description
  Dry Pigment

Πληροφορίες Χρωστικής

• Pigment Name
  PB74-Cobalt Zinc Silicate Blue Phenacite
• Pigment type
  inorganic
• Chemical Name
  cobalt zinc silicate
• Chemical Formula
  (CoZi)2SiO4
• Properties

  Cobalt-zinc silicate is semi opaque and semi-soluble in water. It produces a warmer and darker blue that standard Cobalt Blue (PB28), and is used most often in glass and ceramics.

• Permanence

  Cobalt-zinc silicate is extremely lightfast and temperature stable.

  
  

• Toxicity

  Cobalt-zinc silicate is toxic, and its toxictiy may be of greater concern that for Cobalt Blue (PB28) because it is semi-soluble in water.

• History

  Since the discovery of processes for mining Cobalt Blue (PB28) in the 19th century, additional processes for manufacturing and purifying other cobalt salts have become available. Their use as artist pigments has followed.

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