Our boiling stones, are tiny, unevenly shaped pieces of pumice sized between four and six mesh. Excellent in the lab for promoting even boiling in the distillation process. NC-5989
NF / Food grade, Granular — Boric acid has multiple uses in a range of consumer and industrial products. It is found in formulas for infections, used in contact eye solutions and often added to lotions and creams in cosmetics. NC-12144
0.1% aqueous. pH indicator, 6.0 (yellow) - 7.6 (blue). Comes packed in HDPE squeeze bottle with PP flip top cap for dispensing by the drop. NC-1906
0.1% aqueous. pH indicator, 6.0 (yellow) - 7.6 (blue). Comes packed in HDPE squeeze bottle with PP flip top cap for dispensing by the drop. NC-1948
Lab grade, Powder — An odorless, colorless or white compound, occurring naturally as chalk, limestone, marble, and other forms and used in a wide variety of manufactured products including commercial chalk. Average particle size is 3.5 microns. NC-1261
Lab grade, Flake — This is used in several patina formulas. See More Info for formula list. NC-3361
Lab grade — Also known as hydrated lime. A white crystalline powder. It is slightly soluble in water, soluble in acids, insoluble in alcohol. NC-8606
Lab grade — This hydrated form of calcium sulfate is a white, odorless powder also known as gypsum. NC-2029
ACS Reagent grade — Chloroform is a common solvent for alkaloids, fats, oils, waxes, and resins. Miscible with most organic liquids. Restricted to UPS Ground, 3 bottles maximum per box. NC-0217
ACS Reagent grade — Chloroform is a common solvent for alkaloids, fats, oils, waxes, and resins. Miscible with most organic liquids. Restricted to UPS Ground only, one bottle per box. NC-11054
Technical grade — Chloroform is a common solvent for alkaloids, fats, oils, waxes, and resins. Used in the wildlife control industry for safe handling of skunks without them spraying. Restricted to UPS Ground - lower 48 states only. Adult signature required. HazMat fee applies. NC-0218
Lab grade — Also called Chrome Alum, consists of dark, violet-red crystals which are soluble in water. Note: crystals are efflorescent, losing combined water molecules, which results in some hard chunks. Uses: fixing certain photographic baths, as a mordant in textile dyeing, in ceramic glazes and growing colorful crystals. NC-6325
