DETAILED NOTES ON INFRARED ZINC SULFIDE

Soils contaminated with zinc from mining, refining, or fertilizing with zinc-bearing sludge can incorporate various grams of zinc for each kilogram of dry soil. Levels of zinc in excess of five hundred ppm in soil interfere with the ability of crops to soak up other vital metals, like iron and manganese.Zinc sulfide is often a white-yellowish reli