chromic tanning

См. также в других словарях:

• tanning — /tan ing/, n. 1. the process or art of converting hides or skins into leather. 2. a browning or darkening of the skin, as by exposure to the sun. 3. Informal. a thrashing; whipping. [1475 85; TAN1, + ING1] * * * Chemical treatment of raw animal… …   Universalium

• Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …   Wikipedia

• chromium processing — Introduction       preparation of the ore for use in various products.       Chromium (Cr) is a brilliant, hard, refractory metal that melts at 1,857° C (3,375° F) and boils at 2,672° C (4,842° F). In the pure state, it is resistant to ordinary… …   Universalium

• chromium — /kroh mee euhm/, n. 1. a lustrous, hard, brittle, metallic element used in alloy steels for hardness and corrosion resistance, as in stainless steel, and for plating other metals: chromium salts are used as pigments and mordants. Symbol: Cr; at.… …   Universalium

• Hexavalent chromium — Hex chrome redirects here. For the color printing process, see Hexachrome. An example of a chromium(VI) compound: chromium trioxide Hexavalent chromium (chromium VI) refers to chemical compounds that contain the element chromium in the +6… …   Wikipedia

• Potassium dichromate — Potassium dichromate …   Wikipedia

• Dicarboxylic acid — Dicarboxylic acids are organic compounds that contain two carboxylic acid functional groups. In molecular formulae for dicarboxylic acids, these groups are often written as HOOC R COOH, where R may be an alkyl, alkenyl, alkynyl, or aryl group.… …   Wikipedia

• Chromium(III) sulfate — IUPAC name Chromium(III) sulfate …   Wikipedia

• ketone — ketonic /ki ton ik/, adj. /kee tohn/, n. Chem. 1. any of a class of organic compounds containing a carbonyl group, CO, attached to two alkyl groups, as CH3COCH3 or CH3COC2H5. adj. 2. containing the ketone group. [1850 55; < G Keton, aph. alter.… …   Universalium

• magnesium — /mag nee zee euhm, zheuhm, shee euhm/, n. Chem. a light, ductile, silver white, metallic element that burns with a dazzling white light, used in lightweight alloys, flares, fireworks, in the manufacture of flashbulbs, optical mirrors, and… …   Universalium