These men seldom use vitrifiable enamels, pigments being much more tractable and less costly.
Haematogenous pigments are derived from the haemoglobin of the red blood corpuscles.
By careful selection and preparation of pate, glaze and pigments, Dr Wagener proved not only that the manufacture was reasonably feasible, but also that decoration thus applied to pottery possesses unique delicacy and softness.
Many workers following certain occupations show pigmented scars due to the penetration of carbon and other pigments from superficial wounds caused by gunpowder, explosions, &c.
Zinc chloride solution readily dissolves the oxide with the formation of oxychlorides, some of which are used as pigments, cements and for making artificial teeth.