AMI Calligraphy Block contains 50 sheets

Titanium Buff Deep (290) is an opaque colour with an excellent lightfastness (+++)

anthraquinones and quinacridones

Pigment Classification: OrganometallicColor Index Name: PG36Color Index Number: 74265Chemical Description: Brominated and Chlorinated Copper PhthalocyanineOpacity/Transparency: TransparentLightfastness Rating: 1Permanency: ExcellentMunsell Notation Listing: Hue 8

Sodium Ammonium Ferroferricyanide

niquel azo yellow vallejo akrylmaling Scheveningen Green Deep AMI Calligraphy Block contains 50Color: Nickel Azo YellowPermanence: AAOpacity: TransparentPigment: PY150Pigment description: Nickel Complex AzoASTM Rating Ligthfastness: IPigment classification: Synthetic organicColor Index Number: 12764Viscosity range (mPa. s): 800 1. 500 Color IndexThe pigments used for artists colors are inorganic as well as organic. The inorganic pigments have been used since antiquity; most of them are extracted from minerals and soil, such as natural earth