Chemicals used in industry, science, photography, agriculture, horticulture and forestry, namely, purified metals and chemical compounds including a metal, metal blendings, metal premixes, minerals, vitamins or such substances in powder, milled powder, granulated, compacted, crystallized, micronized, encapsulated, nanosized, and/or dissolved forms as ingredients used in the manufacture of pharmaceuticals, health care products, foods, health food and nutritional supplements, as technical auxil...