Table 1 Summary of the analysis (see “Instrumentation”) of samples from Addendum (Tate T02394) derived from analytical campaigns carried out in 2013, and 2016–2018

Wooden box

Transparent layer at the intersection between boards

–

–

PVAc^c

–

–

–

Wooden boards are joined together with neat polyvinyl acetate adhesive

Wooden box

Unpainted pulp forming the papier mâché

–

–

Cellulose (from wood)

PVAc^c

–

Gypsum (CaSO₄)

–

Unpigmented pulp, mixed with polyvinyl acetate adhesive and gypsum

Painted/coated papier mâché

Grey paint with transparent coating

One thick layer of dark grey paint, with a highly thinned lighter grey layer on top. An unpigmented, non-fluorescent coating is also present

Ti, Zn, Si, Al, Ca, Fe

p(EA-MMA)^d

PVAc^c

Titanium dioxide (TiO₂)

Possible carbon black

Calcium sulphate tetrahydrate (CaSO₄.4H₂O)

Acetic acid

Benzene

EA^e

MMA^f

DEP^g

EA/MMA dominated pyrogram.

p(EA-MMA)^c acrylic dispersion with titanium white (PW6), some zinc oxide and Mars black pigments (PBk11), gypsum.

Unpigmented polyvinyl acetate coating

Painted/coated ropes

Grey paint with transparent coating and glossy, sticky patch

One thick layer of light grey paint. On top, there are two additional layers: an unpigmented and non-fluorescent coating, and an unpigmented, fluorescent layer

Ti, Zn, Si, Al, Ca, Fe

p(EA-MMA)^d

PVAc^c

p(nBA-MMA)^h

Titanium dioxide (TiO₂)

Calcium sulphate tetrahydrate

(CaSO_4.4H₂O)

Acetic acid

Benzene

EA^e

MMA^f

BAⁱ

DEP^g

nBA/MMA dominated pyrogram.

p(EA-MMA)^c acrylic dispersion with titanium white (PW6), some zinc oxide and Mars black pigments (PBk11), gypsum.

Unpigmented polyvinyl acetate, and unpigmented p(nBA-MMA) coatings