HPLC/Spectro grade — This toluene is made for routine High Performance Liquid Chromatography (HPLC) analysis. The high assay assures low residue after evaporation and low UV cut-offs with stable baselines. Certified assay result. Restricted to Standard Ground shipping only. Adult signature required. HazMat fee applies. NC-13468
ACS Reagent grade — The contaminant-free purity of ACS Reagent Grade Toluene is used in the manufacture of cosmetics. Also used in making paints, paint thinners, lacquers, glues and stain removers. Standard Ground only. Adult signature required. HazMat fee applies. NC-14362
This Tech grade Urea is also called carbamide. It is used as a neutralizer of excess nitric acid in aqua regia solutions in gold recovery processes. NC-2620
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
