The Elastic Stain Kit is intended for use in histological demonstration of elastin in tissue sections. Demonstration of elastic tissue is useful in cases of emphysema (atrophy of elastic tissue), arteriosclerosis (thinning and loss of elastic fibers) and various other vascular diseases.Elastic fibers: Black to Blue/BlackNuclei: Blue to BlackCollagen: RedMuscle & Other: YellowKit contents: HSV250, Hematoxylin Solution (5%), 250ml.FCC125, Ferric Chloride (10%, Aqueous), 125 ml.LIS125, Lugol’s Iodine Solution, 125 ml.FCB125, Ferric Chloride (2%) Differentiating Solution, 125 ml.STB125, Sodium Thiosulfate Solution (5%), 125 ml.VGS125, Van Gieson’s Solution, 125 ml.