Table 8 Materials identified with the different techniques
Sample | Layer number | FTIR | Py/GC/MS | GC/MS | SR FTIR | Organic compound identified | Inorganic materials (from table8) |
|---|---|---|---|---|---|---|---|
VIC 2 | 10 | Natural resin Lipid material | Drying oil Pinaceae resin Shellac Polysaccaridic material | Linseed oil Pinaceae resin Shellac Egg Animal glue | Lipid material | Linseed oil | Iron oxide Calcite Zinc compound Calcium oxalates Quartz |
9 | Lipid material | Linseed oil | Bone black Prussian blue | ||||
8 | Natural Resin | Shellac, pine resin | - | ||||
7 | Natural Resin | Shellac, pine resin | - | ||||
6 | |||||||
5 | |||||||
A | - | - | Gold leave | ||||
4 | - | Natural Resin | Shellac, pine resin | ||||
B | - | - | Brass leave | ||||
3 | Lipid material | Lipid material | Linseed oil | Barium sulphate Lead chrome yellow | |||
2 | Lipid material | Linseed oil | |||||
1 | Lipid material | Linseed oil | Clay? Iron oxide? | ||||
C | - | - | Brass leave | ||||
VIC 5 | 4 | Lipid material | Drying oil Polysaccharidic material Egg (traces) | Drying oil Non drying fat (egg?) Animal glue | Lipid material | Linseed oil, egg | Strontium yellow Prussian blue Lead white Kaolinite zinc compound |
3 | Lipid material | Linseed oil, egg | |||||
2 | Lipid material | Lipid material | Linseed oil | Lead white | |||
1 | Polysaccharide material | Mixture of polysaccharide materials | |||||
VIC 7 | 10 | Natural resin Polysaccharide material | Drying oil Pinaceae resin Shellac Polysaccharidic material | Prepolymerized linseed oil Pine resin Shellac Animal glue | Resin | Shellac | |
9 | - | - | Bone black Prussian blue | ||||
8 | Resin | Shellac, pine resin | |||||
7 | - | - | - | ||||
6 | resin | Shellac, pine resin | |||||
5 | Proteinaceous material | Animal glue | Bone black | ||||
4 | Resin | ||||||
A | - | - | Chrome yellow Gold | ||||
3 | Lipid material | Lipid material | Linseed oil | Lead white Zinc white | |||
2 | Lipid material | Lipid material | Linseed oil | Zinc white | |||
1 | Lipid material | Linseed oil | Lead white Lead acetate |