The Alcian Blue - PAS Stain Kit is intended for use in the simultaneous histological visualization of sulfated and carboxylated acid mucopolysaccharides, sulfated and carboxylated sialomucins (glycoproteins) and neutral mucins.Acidic Sulfated Mucosubstances: BlueHyaluronic Acid: BlueSialomucins: BlueNeutral Mucins: MagentaMixtures of Acidic and Neutral Mucins: Blue - Mauve depending on dominant entity.Kit contents: AAG030, Acetic Acid Solution (3%), 30 ml. ANC030, Alcian Blue Solution, pH 2.5, 30 ml. PAQ030, Periodic Acid Solution (1%), 30 ml. SRF030, Schiff’s Solution, 30 ml. HMM030, Hematoxylin, Mayer’s (Lillie’s), 30 ml.