METHYLENE BLUE FOR MICROSCOPY AR C.I. NO. 52015 KEMASAN : 25 GR Description : A dark red/green coloured powder. Solubility : Soluble in water. Dye Content (Titanometry; on dried substance) : gt; 97.0% Absorption maximum (in water) : 663 - 667 nm HARAP TANYAKAN STOK KESEDIAAN SEBELUM MEMBELI