R
R-acid
Reaction, Procter-Hirst
Reagents for Neradol D tannage
Resites
Resitol
Resols
Resorcinol
Resorcylic acid, [Greek: b]-
Retene
Rosins, acid
Rosolic acid
Rufigallic acid
S
S-acid
Salicylic acid
Salicylic acid phenyl ester
Salicyl-p-hydroxybenzoic acid
Salol
Silver oxide
Solution salt
Solvenol
Structure of tannin
Sulphinic acid
Sulphite cellulose extract
Sulphite lye
Sulphonamide
Sulphonic acids, aromatic
Sulphonic chloride
Sulphur
Sulphur tannage
Sulphuric acid-free Neradol D
Sulphuric acid in leather
Syringoyl-p-hydroxybenzoic acid
T
Tannin
Tannin action, real
Tannin analysis
Tanning matters
Tannin molecule
Tannin, pure
Tannophor
Test tannage
Tetradepsides
Tetragalloyl-[Greek: a]-methylglucoside
Tetramethylellagic acid
Tetroxydiphenyldimethylolide
Thionaphtholsulphonic acid
Thiosulphonic acid
Thorium salts
Thymol
Toluidoanthraquinone, l-m-
Total solids
Total solubles
Tribromophenol
Tribromopyrogallic acid
Tricarbomethoxygalloyl chloride
Tridepside
Trihydroxybenzenes
Trinitrophenol
Triphenylmethane
V
Valonea
Vanadium salts
Vanillic acid
Vanilloyl-di-p-oxybenzoyl-p-hydroxybenzoic acid
Vanilloyl-p-hydroxybenzoic acid
Vanilloyl vanillin