Carnoy's solution is a fixative composed of 60% ethanol, 30% chloroform and 10% glacial acetic acid,1gm of ferric chloride. Carnoy's solution is a fixative composed of 60% ethanol, 30% chloroform and 10% glacial acetic acid,1gm of ferric chloride. Carnoy's solution is a fixation composed of ethanol and glacial acetic acid (3:1).Methanol refer of harrison and robbins