This specification covers basic carbonate white lead used as a pigment and in putty. The pigments may be in dry form or a paste in oil. Dry pigment shall conform to the required contents of lead carbonate, moisture and other volatile matter, impurities, and coarse particles. Paste in oil and semipaste containing volatile thinner shall also conform to the requirements of pigment, linseed oil, moisture and other volatile matter, and coarse particles and skins of dry pigment. Tests for the following shall be done: coarse particles; moisture in pigment; lead carbonate and total other impurities; and pigment, linseed oil, and moisture and other volatile matter in paste in oil.

This specification covers basic carbonate white lead used as a pigment and in putty. The pigments may be in dry form or a paste in oil. Dry pigment shall conform to the required contents of lead carbonate, moisture and other volatile matter, impurities, and coarse particles. Paste in oil and semipaste containing volatile thinner shall also conform to the requirements of pigment, linseed oil, moisture and other volatile matter, and coarse particles and skins of dry pigment. Tests for the following shall be done: coarse particles; moisture in pigment; lead carbonate and total other impurities; and pigment, linseed oil, and moisture and other volatile matter in paste in oil.