It has a tendency to chalk, but this may be overcome by admixture with other pigments such as zinc oxide and iron oxide.
This is usually white lead, but it is often adulterated with zinc oxide; 2.
If there are open sores do not use sugar of lead or zinc oxide.
From half of the soup a quantity of zinc oxide, equal to 1·6 grm.
This sublimate is more visible when cold, and is produced some time previous to the reduction of the zinc oxide.
In actual practice a part only of the zinc oxide is dissolved, while the remainder forms a white coating on the zinc .
The precipitate of zinc carbonate is filtered, exhausted with water, transferred into zinc oxide by ignition, and weighed.
The zinc oxide minerals in the surficial zone also are sometimes colored yellow by small amounts of greenockite.
Fairly good results were obtained in every case, but especially when lithopone or zinc oxide was used as a priming base.
Risse, before 1865, stated that most plants when grown on such soils prove to contain greater or less quantities of zinc oxide.
zinc oxide n.
An amorphous white or yellowish powder used as a pigment and in pharmaceuticals and cosmetics.
|zinc oxide |
A white or yellowish powdery compound used in paints and in various medicines and skin cosmetics. Chemical formula: ZnO.