Girolamo Troppa
1637 - about 1710
Apollon flår huden af Marsyas @da; Apollo Flaying Marsyas @en
Unknown
oil on canvas, 96 x 132 cm
Italian school
list
From the collection of the
The National Gallery of Denmark (SMK)
Inventory number: KMSsp123
Painting preparation
Preparation class:
Coloured (mid-tone to dark)
Preparation colour:
light red
Preparation composition:
The first preparatory layer is brownish off-white and is mainly composed of aluminosilicates and calcium carbonate. The layer also contains some dolomite, feldspar, red earth (with associated pyrite) and carbon-based black; along with a little quartz.
The second preparatory layer is light red and is mainly composed of red earth (with associated pyrite), aluminosilicates and calcium carbonate. The layer also contains some dolomite, feldspar, quartz and carbon-based black.
Application technique:
Comment:
References and reports:
Layer description
Layer components
Layer type: ground
Colour: brownish - off-white
Main component(s): aluminosilicates, calcium carbonate
Other component(s): dolomite, feldspar, red earth, carbon-based black, quartz, pyrite
Layer components
Composition: aluminosilicates
Colour: colourless
Amount: major
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: calcium carbonate
Colour: colourless
Amount: major
Particle Size: fine and medium
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: dolomite
Colour: colourless
Amount: minor
Particle Size: fine and medium
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: feldspar
Colour: colourless
Amount: minor
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Further information: Potassium and Sodium feldspar.
Composition: red earth
Colour: red
Amount: minor
Particle Size: fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: probably carbon-based black
Colour: black
Amount: minor
Particle Size: fine and medium
Analytical technique: optical microscopy
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Further information: Carbon-based black pigments were confirmed in other Troppa ground layers.
Composition: quartz
Colour: colourless
Amount: occasional
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: pyrite
Colour: metallic black
Amount: occasional
Particle Size: medium
Associated with: red earth
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Layer description
Layer components
Layer type: ground
Colour: light red
Main component(s): red earth, aluminosilicates, calcium carbonate
Other component(s): dolomite, feldspar, quartz, pyrite, carbon-based black
Layer components
Composition: red earth
Colour: red
Amount: major
Particle Size: fine and medium
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: aluminosilicates
Colour: colourless
Amount: major
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: calcium carbonate
Colour: colourless
Amount: major
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: dolomite
Colour: colourless
Amount: minor
Particle Size: fine and medium
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: feldspar
Colour: colourless
Amount: minor
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Further information: Potassium and Sodium feldspar.
Composition: quartz
Colour: colourless
Amount: minor
Particle Size: coarse, medium, and fine
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: pyrite
Colour: metallic black
Amount: occasional
Particle Size: medium
Associated with: red earth
Analytical technique: SEM - EDX
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Composition: probably carbon-based black
Colour: black
Amount: minor
Particle Size: fine and medium
Analytical technique: optical microscopy
Protocol: CATS_cross-section-images_analysis_2019_rev4
Date of analysis: 2016-11-19
Analysis carried out by: David Buti (CATS-SMK)
Further information: Carbon-based black pigments were confirmed in other Troppa ground layers.
Sample
Sample inventory number:
506a
Institute:
The National Gallery of Denmark (SMK)
Sample type:
cross section
Further info:
Sampling carried out between July 2013 and November 2014
Sampling
Date:
2014-03-31
Taken from:
original support
Sampling location:
Sample taken from the middle-right edge of the painting. Blue mountains in the background.
Sample preparation
Date:
Unknown
Sample preparation protocol:
CATS protocol rev4
Layer description
Layer components
Layer type: ground
Colour: light red
Layer components
    Sample
    Sample inventory number:
    638a
    Institute:
    The National Gallery of Denmark (SMK)
    Sample type:
    cross section
    Sampling
    Date:
    2019-09-23
    Taken from:
    original support
    Sampling location:
    Sample taken from the light, green plant stem in the middle, left side of the painting
    Sample preparation
    Date:
    Unknown
    Sample preparation protocol:
    CATS protocol rev4
    Layer description
    Layer components
    Layer type: ground
    Colour: brownish - off-white
    Main component(s): aluminosilicates, calcium carbonate
    Other component(s): dolomite, feldspar, red earth, carbon-based black, quartz, pyrite
    Layer components
    Composition: aluminosilicates
    Colour: colourless
    Amount: major
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Further information: Possibly illite. Confirmed with FT-IR.
    Composition: calcium carbonate
    Colour: colourless
    Amount: major
    Particle Size: fine and medium
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: dolomite
    Colour: colourless
    Amount: minor
    Particle Size: fine and medium
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: feldspar
    Colour: colourless
    Amount: minor
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Further information: Potassium and Sodium feldspar.
    Composition: red earth
    Colour: red
    Amount: minor
    Particle Size: fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: probably carbon-based black
    Colour: black
    Amount: minor
    Particle Size: fine and medium
    Analytical technique: optical microscopy
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Further information: Carbon-based black pigments were confirmed in other Troppa ground layers.
    Composition: quartz
    Colour: colourless
    Amount: occasional
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: pyrite
    Colour: metallic black
    Amount: occasional
    Particle Size: medium
    Associated with: red earth
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Layer description
    Layer components
    Layer type: ground
    Colour: light red
    Main component(s): red earth, aluminosilicates, calcium carbonate
    Other component(s): dolomite, feldspar, quartz, pyrite, carbon-based black
    Layer components
    Composition: red earth
    Colour: red
    Amount: major
    Particle Size: fine and medium
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: aluminosilicates
    Colour: colourless
    Amount: major
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: calcium carbonate
    Colour: colourless
    Amount: major
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: dolomite
    Colour: colourless
    Amount: minor
    Particle Size: fine and medium
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: feldspar
    Colour: colourless
    Amount: minor
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Further information: Potassium and Sodium feldspar.
    Composition: quartz
    Colour: colourless
    Amount: minor
    Particle Size: coarse, medium, and fine
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: pyrite
    Colour: metallic black
    Amount: occasional
    Particle Size: medium
    Associated with: red earth
    Analytical technique: SEM - EDX
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Composition: probably carbon-based black
    Colour: black
    Amount: minor
    Particle Size: fine and medium
    Analytical technique: optical microscopy
    Protocol: CATS_cross-section-images_analysis_2019_rev4
    Date of analysis: 2019-11-19
    Analysis carried out by: David Buti (CATS-SMK)
    Further information: Carbon-based black pigments were confirmed in other Troppa ground layers.
    Sample
    Sample inventory number:
    638b
    Institute:
    The National Gallery of Denmark (SMK)
    Sample type:
    cross section
    Sampling
    Date:
    2019-09-23
    Taken from:
    original support
    Sampling location:
    Sample from the bottom-left side of the painting, slightly above the inner edge of the ornamental frame
    Sample preparation
    Date:
    Unknown
    Sample preparation protocol:
    CATS protocol rev4
    Location list