Iconography Pigment No 25 - Blue Cobalt Deep - 25gr

• Color Name
  Μπλε Κοβαλτίου Σκούρο S/O FR ***
• Paco code
  7101870
• No.
  25
• Manufacturer
  Sennelier
• Product Type
  Dry Pigments
• Barcode
  30900257
• Color Family
  Blue
• Size
  25gr
• SKU
  SKONES-25-25
• 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.

No files available