Chromic acid definition

Chromic acid means the common name for chromium anhydride (CrO3).
Chromic acid means an aqueous solution of chromium trioxide (CrO3) or a commercial solution containing chromic acid, dichromic acid (H2CrO7) or trichromic acid (H2Cr3O10).

Examples of Chromic acid in a sentence

  • Chromic acid pickle solution, which is a mixture of CID A-A-55827 chromic acid in water, may be used to remove surface oxidation and light corrosion from magnesium alloy surfaces.

  • Chromic acid may be useful to re- move organic deposits from glassware; how- ever, the analyst should be cautioned that the glassware must be thoroughly rinsed with water to remove the last traces of chro- mium.

  • Chromic acid is generally considered a very strong acid since for the first deprotonation reaction pKA is found to be -0.7.[36] We expected such a strong acid to dissolve zeolites easily and cause amorphization, as it often happens with concentrated strong acids.

  • Chromic acid cleaning solution: used to clean glassware, this highly corrosive (contains concentrated sulfuric acid) material represents one of the greatest hazards in laboratories.

  • Chromic acid potentially removes dense phases from the crystal surface, which blocks part of zeolite pores, leading to the increase of the micropore volume in most cases.

  • Chromic acid solution is highly toxic to the skin, eyes, and respiratory tract.

  • Chromic acid etching offers an opportunity to tune the population and the size of anions in solution to adjust the treatment to the size zeolite pores as observed in the 8 MR (CHA) and 10 MR (MFI).

  • Chromic acid means the common name for chromium anhydride (CrO3).

  • Surface treatment (anti corrosive) in steel manufacturing Chromic acid is used as wood preservative.

  • Components with workplace occupational exposure limits ComponentsValue typeValue Chromic acid (H2CrO4), strontium salt (1:1) Occupational Safety and Health Administration- Table Z-1 Limits for Air Contaminants Chromic acid (H2CrO4), strontium salt (1:1)CEIL1 mg/10m3Occupational Safety and Health Administration- Table Z-2Expressed as :CrO3 Chromic acid (H2CrO4), strontium salt (1:1)PEL0.005 mg/m3US.

Related to Chromic acid

  • Aerosol coating product means a pressurized coating product containing pigments or resins that dispenses product ingredients by means of a propellant, and is packaged in a disposable can for hand-held application, or for use in specialized equipment for ground traffic/marking applications.

  • Ultra Low Sulfur Diesel Fuel means diesel fuel that has a sulfur content of no more than fifteen parts per million.

  • Pump spray means a packaging system in which the product ingredients within the container are not under pressure and in which the product is expelled only while a pumping action is applied to a button, trigger or other actuator.

  • Nitrogen oxides means nitric oxide and nitrogen dioxide, expressed as nitrogen dioxide (NO2);

  • Small quantity generator means a generator who generates less than 1000 kg of hazardous waste in a calendar month.

  • Diesel means a distillate oil which can be used as fuel for the operation of a compression ignition engine and which has an approximate boiling temperature of between 150 °C to 400 °C;

  • Polystyrene foam adhesive means an aerosol adhesive designed to bond polystyrene foam to substrates.

  • Oxides of nitrogen means the sum of the volume mixing ratio (ppbv) of nitrogen monoxide (nitric oxide) and nitrogen dioxide expressed in units of mass concentration of nitrogen dioxide (μg/m3);

  • Cannabinoid concentrate means a substance obtained by separating cannabinoids from marijuana by:

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR Part 82 subpart G with supplemental tables of alternatives available at (http://www.epa.gov/snap/).

  • Polystyrene foam means blown polystyrene and expanded and

  • Halogen means one of the chemical elements chlorine, bromine or iodine.

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • Air-purifying respirator means a respirator with an air-purifying filter, cartridge, or canister that removes specific air contaminants by passing ambient air through the air-purifying element.

  • Residual disinfectant concentration means the concentration of disinfectant measured in mg/L in a representative sample of water.

  • Epinephrine auto-injector means a device for immediate self-administration or administration by another trained person of a measured dose of epinephrine to a person at risk of anaphylaxis.

  • heat pump means a machine, a device or installation that transfers heat from natural surroundings such as air, water or ground to buildings or industrial applications by reversing the natural flow of heat such that it flows from a lower to a higher temperature. For reversible heat pumps, it may also move heat from the building to the natural surroundings;

  • Aerosol cooking spray means any aerosol product designed either to reduce sticking on cooking and baking surfaces or to be applied on food, or both.

  • Riprap means small, broken stones or boulders placed compactly or irregularly on dykes or similar embankments for protection of earth surfaces against wave action or current;

  • High voltage bus means the electrical circuit, including the coupling system for charging the REESS that operates on a high voltage.

  • Tobacco products means cigars, cigarettes, cheroots, stogies, periques, granulated, plug cut, crimp cut, ready rubbed, and other smoking tobacco, snuff, snuff flour, moist snuff, cavendish, ping and twist tobacco, fine-cut and other chewing tobaccos, shorts, refuse scraps, clippings, cuttings and sweepings of tobacco, and other kinds and forms of tobacco, prepared in such manner as to be suitable for chewing or smoking in a pipe or otherwise, or both for chewing and smoking.

  • Ethanol blended gasoline means the same as defined in section 214A.1.

  • Cathode ray tube or “CRT” means a vacuum tube, composed primarily of glass, which is the visual or video display component of an electronic device. A “used, intact CRT” means a CRT whose vacuum has not been released. A “used, broken CRT” means glass removed from its housing or casing whose vacuum has been released.

  • Red Hat Products means Software, Services, Subscriptions and other Red Hat branded offerings made available by Red Hat.

  • Biochemical Oxygen Demand (BOD) shall mean the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at 20 degrees Centigrade, expressed in milligrams per liter.

  • Aviation gasoline means fuel designed for use in the operation of aircraft other than jet aircraft,