This technical grade Urea is also called carbamide. It is used as a neutralizer of excess nitric acid in aqua regia solutions in gold recovery processes. It is not pure enough to be offered for food, drug, or medicinal use of any kind. NC-9275
ACS Reagent grade — The contaminant-free purity of ACS Reagent Grade Xylenes has many different purposes in the field of Histology and Cytology. Also used in ink, rubber, adhesive, and leather industries. Restricted to Standard Ground only. NC-11486
ACS Reagent grade — The contaminant-free purity of ACS Reagent Grade Xylenes has many different purposes in the field of Histology and Cytology. Also used in ink, rubber, adhesive, and leather industries. Restricted to Standard Ground only. NC-13133
Lab grade — Mossy zinc is small nuggets of zinc made by rapidly cooling molten zinc in water. It appears as gray-blue or shiny, irregular lumps. NC-9848
Lab grade — Mossy zinc is small nuggets of zinc made by rapidly cooling molten zinc in water. It appears as gray-blue or shiny, irregular lumps. NC-1547
Zinc metal powder is used in gold refining to precipitate gold out of a solution. Only available for in-store purchase and pick up. NC-1156
Lab grade — Soluble in water and alcohol. This is used to create white to cream colored patinas on brass and bronze. Restricted to Standard Ground only. NC-5661
Granular Powder, ACS — A colorless, odorless granular material. Astringent, metallic taste, efflorescent. This Zinc Sulfate is NOT a dietary supplement. It is a powder used in science labs and is NOT in tablet form. Not meant for internal use. We do not have the Zinc Sulfate supplement. NC-6782
Granular Powder, ACS — A colorless, odorless granular material. Astringent, metallic taste, efflorescent. This Zinc Sulfate is NOT a dietary supplement. It is a powder used in science labs and is NOT in tablet form. Not meant for internal use. We do not have the Zinc Sulfate supplement. NC-3500
Lab grade — Readily forms colorless hexagonal crystals. Can be used to make Nitric Acid when combined with Hydrochloric Acid. It is a strong oxidizer but stable under ordinary conditions. Its many uses include the manufacture of pyrotechnics and fertilizer plus as pottery enamel. Restricted to Standard Ground only. NC-1867
