A randomly formed particulate carbon material and may be coarse, fine and/or colloidal in proportions depending on its origin. Soot consists of variable quantities of carbonaceous and inorganic solids together with absorbed and occluded tars and resins., erineva suurusega, peamiselt süsinikust koosnevate osakeste mass, mis lisaks anorgaanilisele komponendile võib sisaldada tõrv- ja vaikaineid