Fig. 4From: Quantification of the effect of gas–water–equilibria on carbonate precipitation(left): Raman spectrum (averaged), and (right): corresponding microscopic image (100x LWD objective) of the particles from the column wall after the injection of air into tap water; red lines show the peaks of aragonite (Gabrielli et al. 2003, grey lines show the peaks of the background (adhesive stripe)Back to article page