Fig. 5From: Reductive chemical demagnetization: a new approach to magnetic cleaning and a case study of reef limestonesPhotograph of the surface of the specimens before and after the reductive chemical demagnetization (RCD) and electron microscopic observation on specimen before RCD. a Specimen before RCD. b Specimen after RCD of ascorbic acid solution. c Specimen after RCD of potassium iodide solution. d Specimen before RCD (the same specimen as (a)). e The area of EDS analysis. f Distribution of Fe. g Distribution of CaBack to article page