Haematoxylin and Eosin protocols. Paraffin Sections Rehydrate 2 x xylene or histoclear 2 x absolute alcohol 2 x 70% alcohol Ehrlichs haematoxylin (5 mins) Rinse in tap water Differentiate in acid alcohol (15 sec) Blue in tap water (5 mins) Aqueous eosin (30ml eosin, 300ml water) for 15 mins Rinse in tap water Dehydrate 2 x 70% alcohol 2 x absolute alcohol 2 x xylene or histoclear Mount in DPX Frozen Sections Rehydrate slides in tap water (1 min) Full strength Ehrlichs haematoxylin (40 secs) Gently rinse in tap water Dip 3 times in acid alcohol Gently rinse in tap water (5 mins) Aqueous eosin (30ml eosin, 300ml water) for 15 mins Rinse gently in tap water (5 mins) Dehydrate 2 x 70% alcohol 2 x absolute alcohol 2 x xylene or histoclear Mount in DPX This article was published on 2024-06-17