Tooele Transcript Bulletin | 1906-09-21 | Page 2 | Natural Color of Pure Water

natural color of pure water it was waa long ago disLo verel that the natural color of 0 pure water is blue and not white as most of us usually supposed opinions have not agreed on the cause of 0 the green and yellow tints these it lias has been discovered by W ate aie due to extraneous substances substance dissolved calcium salts though giving a green tint due to a fine invisible suspension have no effect ou on the color of 0 the tha water when adequate precautions are taken 1 he bi own or yellow color due to iron salts Is if not soen seen when calcium la Is present the gren gre n tint la Is in often duo due to a condition of equilibrium between the color effort of the iron salts and the precipitating action of tile the calcium salts scientific amerl can