The pure has been made impure — sometimes in the name of the reverse.
The cathode is made of impure manganese dioxide (usually mined from selected deposits in Africa, Brazil, or Mexico).
A low-quality spirit, called tafia, is made from impure molasses or other sugarcane residue, but it is not considered a true rum and is seldom exported.
The Venetian recipes mention "common frit" for the manufacture of green glass, which is made using impure "Hispanic soda" and therefore shows a bluish or greenish colour [28, 29].
The hearth is made dense and impervious so that the heavy matte, or molten impure metal, cannot penetrate into and through it, and the walls are made of a material that resists chemical attack by the slag.
Haft Tappeh objects are made of impure copper and tin bronze alloy and are corroded heavily, as many of the objects are corroded completely and no metallic structure is retained after long term burial in the soil environment.
And because the delivery of Gaza's limited drinkable water supply requires electricity, 600,000 Palestinians are now without water, while much of the rest of the population is making due with impure water sources.
Relatively simple shapes were made of an impure greenish or yellowish material, and decoration was restricted to simple trails of thread.
The glass they were made of was often impure and of a greenish or yellowish cast, while the painting itself was the simplified repetitive work of artisans rather than of original artists.
Much was made of the "dreaming" for which she castigated herself as impure.
Additionally, since they are made at home and are not subject to quality testing, they may be impure or improperly-dosed.
