Conservation and restoration materials

thumb|right|Sheet (or leaf) gelatin for cooking.

350px|thumb|Frameworks of LTA-type (left) and FAU-type zeolites (right) Zeolites are a group of several microporous, crystalline aluminosilicate minerals commonly used as commercial adsorbents and catalysts. They mainly consist of silicon, aluminium, and oxygen, and have the general formula ･y where is either a metal ion or H+.

granular, vitreous, porous form of silicon dioxide

Benzotriazole (BTA) is a heterocyclic compound with the chemical formula . It can be viewed as the fusion of a benzene and triazole rings. It is a white solid, although impure samples can appear tan. It is used as a corrosion inhibitor for copper and silver.

device that would allow for extracorporeal pregnancy

thumb|Isinglass thumb|Swim bladder of a common rudd|rudd (Scardinius erythrophthalmus)

Cyclododecane is an organic compound with the chemical formula (CH2)12. It is a waxy white solid at room temperature, and is soluble in nonpolar organic solvents.

thin, strong paper made from vegetable fibers