Sennelier Oil Color Rive Gauche 211 Burnt Sienna - 200ml

• Paco code
  7102589
• No.
  211
• Manufacturer
  Sennelier
• Product Type
  Oil Paints
• Barcode
  3046450766285
• Color Family
  Brown
• Size
  200ml
• SKU
  SENNEL-N130332.211
• Description
  Oil Paint
• Color Name
  Burnt Sienna

Πληροφορίες Χρωστικής

• Pigment Name
  PBk7-Lamp Black
• Pigment type
  inorganic
• Chemical Name
  carbon
• Chemical Formula
  C
• Properties

  Lamp black is a very opaque, heavily staining black pigment that does not have much covering or tinting power. It is typically the most opaque black in watercolor form. Though a very pure black, it tends to muddy slightly in mixtures. Natural sources may be brownish or bluish in tone because of impurities. When used in oil paints, it is one of the slowest drying pigments, and should not be used in underpainting or applied in layers underneath other colors.

• Permanence

  Lamp Black is very lightfast and absolutely permanent. It is used in all techniques in permanent painting.

• Toxicity

  Carbon itself is not considered hazardous, however other combustion products that are hazardous are often present as impurities when Lamp Black is produced from natural materials. For this reason, commercial preparations of the pigment should be considered.

• History

  Lamp Black is a carbon based black traditionally produced by collecting soot (known as lampblack) from oil lamps. It has been used as a pigment since prehistoric times. It is the black found in Egyptian murals and tomb decorations and was the most popular black for fresco painting until the development of Mars Black.

• Pigment Name
  PR101-Red Iron Oxide
• Pigment type
  earth, synthetic
• Chemical Name
  iron oxides (synthetic), iron oxide, silica, alumina, lime, and magnesia or hydrated iron oxide
• Chemical Formula
  Fe2O2 or Fe2O3 x H2O
• Properties

  Red iron oxide varies in hue and transparency, depending on hydration and slight impurities. Indian Red is a slightly duller, deep brick hue with a bluish undertone. It is very dense and opaque, with excellent tinting strength and covering power. It is dependable when mixing with all other permanent pigments and yields good flesh tints when mixed with Zinc White. It is the synthetic version of PR102, which is a pigment made from earth reds, or natural red iron oxides, and the names applied to PR101 and PR102 often overlap. The synthetic red iron oxides have mostly replaced natural red iron oxides and are brighter, stronger, finer, and more permanent. Indian Red is the highest grade bluish shade. Light Red, English Red, and Venetian Red are yellowish shades. Mars Violet is a dull and subdued bluish or purplish oxide.

• Permanence

  Red iron oxide is very lightfast with excellent permanence.

• Toxicity

  Red iron oxide has no significant hazards.

• History

  Natural red iron oxide comes from the mineral ore hematite, called bloodstone by the ancient Greeks from the word hema, meaning blood. It is one of the oldest pigments, has been used by every major civilization, and was an important mineral for medieval alchemists. It was not widely used in artists' materials until the 17th century and was not produced in large quantities until the 18th century.

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