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Mixture of concentrated sulfuric acid and dichromate
reagent). Higher chromic acids with the formula H2CrnO(3n+1) are probable components of concentrated solutions of chromic acid. Chromic acid is an intermediate
Chromic_acid
Metal treatment process
1923 to protect Duralumin seaplane parts from corrosion. This early chromic acid–based process was called the Bengough–Stuart process and was documented
Anodizing
Type of battery
The chromic acid cell is a type of primary cell which uses chromic acid as a depolarizer. The chromic acid is usually made by acidifying (with sulfuric
Chromic_acid_cell
Chemical compound
chromium(VI) oxide or chromic anhydride) is the inorganic compound with the formula CrO3. It is the acidic anhydride of chromic acid, and is sometimes marketed
Chromium_trioxide
Compound derived from an acid
the Phillips catalyst CrO2(OSi(OCH3)3)2 is a trimethoxysilyl ester of chromic acid (H2CrO4). The word ester was coined in 1848 by German chemist Leopold
Ester
Topics referred to by the same term
Look up chromic in Wiktionary, the free dictionary. Chromic means of, relating to, or containing chromium. Chromic acid Chromic phenomenon Chromic anhydride
Chromic
Chemical compound
inorganic compound with the formula CrO2Cl2 and is the formal dichloride of chromic acid. It is a reddish brown compound that is a volatile liquid at room temperature
Chromyl_chloride
Technique of electroplating
decorative and hard plating, as well as bright dipping of copper alloys, chromic acid anodizing, and chromate conversion coating. A typical hexavalent chromium
Chrome_plating
Mixture of nitric acid and hydrochloric acid in a 1:3 molar ratio
traditional chromic acid bath for cleaning NMR tubes, because no traces of paramagnetic chromium can remain to spoil spectra. While chromic acid baths are
Aqua_regia
Chemical compound
barium chromate improves the lifetime of the bath by increasing the chromic acid concentration. Barium chromate is used as a corrosion inhibitive pigment
Barium_chromate
Chemical compound
phenol with chromic acid. A chromium(III) oxide byproduct is generated, which is readily extracted into sulfuric acid. Evaporation of these acidic solutions
Chromium(III)_sulfate
Chromium(VI) anions
hydrogen chromate ion may be protonated, with the formation of molecular chromic acid, H2CrO4, but the pKa for the equilibrium H2CrO4 ⇌ HCrO−4 + H+ is not
Chromate_and_dichromate
Chemical compound
a tertiary alcohol with the molecular formula C7H16O. It reacts with chromic acid by first dehydrating to an olefin 3-ethyl-2-pentene, and then by converting
3-Ethyl-3-pentanol
Oxidizing acid mixture containing sulfuric acid and hydrogen peroxide
institutions and it should not be used routinely due to its dangers. Unlike chromic acid solutions, piranha does not contaminate glassware with Cr3+ ions. Piranha
Piranha_solution
Oxidation of alcohol
then be converted to carboxylic acids. For oxidations to the aldehydes and ketones, two equivalents of chromic acid oxidize three equivalents of the
Jones_oxidation
Chemical element with atomic number 24 (Cr)
oxide CrO 3, the acid anhydride of chromic acid, is sold industrially as "chromic acid". It can be produced by mixing sulfuric acid with dichromate and
Chromium
Type of oxide
also the anhydride of carbonic acid: H2CO3 → H2O + CO2 Chromium trioxide, which reacts with water forming chromic acid: CrO3 + H2O → H2CrO4 Dinitrogen
Acidic_oxide
Brønsted acid
structure. Oxidizing acids include nitric acid, perchloric acid, chloric acid, chromic acid, and concentrated sulfuric acid. Oxidizing acids, being strong oxidizing
Oxidizing_acid
as the 'chromic acid cell', but principally as the 'bichromate cell'. This latter name came from the practice of producing the chromic acid by adding
History_of_the_battery
Chemical compound
lead salts such as lead(II) nitrate or by combining lead(II) oxide with chromic acid. Related lead sulfochromate pigments are produced by the replacement
Lead(II)_chromate
Chemical compound
yields phenylacetylene (C6H5CCH). Chromic acid oxidizes it to benzoic acid; zinc and acetic acid reduce it to cinnamic acid, C6H5CH=CHCO2H, whilst sodium
Phenylpropiolic_acid
Canadian chemist
reactions in solutions containing ferrous sulphate, potassium iodide, and chromic acid, published in the Journal of Physical Chemistry in May 1903. Benson's
Clara_Benson
Chemical compound
heating menthol with chromic acid, and its structure was later confirmed by synthesizing it from 2-isopropyl-5-methylpimelic acid.[when?] Menthone was
Menthone
Chemical compound
benzene, including caraway oil or a mixture of cymene and cuminol with chromic acid. Although not commercially significant, there is also the so-called "Henkel
Terephthalic_acid
throat and could cause irritation, being very destructive to tissue. Chromic acid was also another chemical found on the site. A dark red liquid, exposure
Zschiegner_Refining_Company
Measure of an acid's strength in solution
In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted K a {\displaystyle K_{a}} ) is a
Acid_dissociation_constant
Chemical compounds containing chromium
oxide CrO 3, the acid anhydride of chromic acid, is sold industrially as "chromic acid". It can be produced by mixing sulfuric acid with dichromate and
Chromium_compounds
Inorganic compound
For hexavalent chrome plating, chromate is converted to the so-called chromic acid (essentially chromium trioxide) by sulfuric acid. Sodium dichromate
Sodium_dichromate
Chemical compound
org. Retrieved 2019-02-26. Williams, C. H. (1962). "The determination of chromic oxide in feces samples by atomic absorption spectrophotometry". Journal
Chromium(III)_oxide
Staining method in histology
fungal cell wall commonly contains polysaccharides. In a GMS procedure, chromic acid is first used to oxidize polysaccharides, generating aldehydes. Then
Grocott's methenamine silver stain
Grocott's_methenamine_silver_stain
Carboxylic acid with chemical formula (CH3)2CHCO2H
heated with a chromic acid solution it is oxidized to acetone. Alkaline potassium permanganate oxidizes it to α-hydroxyisobutyric acid, (CH3)2C(OH)-CO2H
Isobutyric_acid
Web browser developed by Google
Google Chrome is a cross-platform web browser developed by Google. It was launched in September 2008 for Microsoft Windows and was built with free software
Google_Chrome
Wood preservative containing compounds of chromium, copper, and arsenic
water-based mixture containing 0.6–6.0% (by weight) of chromic acid, copper oxide, and arsenic acid (USDA, 1980), with pH 1.6–2.5. The mixture is infused
Chromated_copper_arsenate
Chemical compound
to 260 °C, a dodecahydride is formed. Chromic acid oxidizes it to retene quinone, phthalic acid and acetic acid. It forms a picrate that melts at 123-124
Retene
Chemical compound giving a proton or accepting an electron pair
Fluoroboric acid (HBF4) Hexafluorophosphoric acid (HPF6) Chromic acid (H2CrO4) Boric acid (H3BO3) A sulfonic acid has the general formula RS(=O)2–OH, where
Acid
Early electric battery
of a zinc anode in dilute sulfuric acid separated by a porous pot from a carbon cathode in nitric or chromic acid. The Bunsen cell generates about 1.9
Bunsen_cell
Chemical compound
amoxycillin. It was originally prepared by the oxidation of pinacolone with chromic acid. This necessitates the breaking of a C-C bond, which is usual for this
Pivalic_acid
Chemical compound (H2SO4)
Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid (Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral
Sulfuric_acid
of acid and oxidizing agent. Usually used oxidizing agents are hydrogen peroxide, potassium permanganate or chromic acid. Concentrated sulphuric acid or
Expandable_graphite
Chemical compound
Cs2CrO4. It is a yellow crystalline solid that is the caesium salt of chromic acid, and it crystallises in the orthorhombic system. Its major application
Caesium_chromate
rechargeable batteries Alkaline battery Aluminium–air battery Bunsen cell Chromic acid cell (Poggendorff cell) Clark cell Daniell cell Dry cell Earth battery
List_of_battery_types
Chemical compound
sulfuric acid with a green color. Chromic acid in glacial acetic acid solution oxidizes it to picene-quinone, picene-quinone carboxylic acid, and finally
Picene
Chemical compound
oxidation with chromic acid in acetic acid solution. A more recent synthesis produces norbornene via the 2-formate ester, oxidized with chromic acid in acetone
Norcamphor
Primary alcohol compound (CH3CH2CH2OH)
PCC or the Swern oxidation are recommended. Oxidation with chromic acid yields propionic acid. 1-Propanol is manufactured by catalytic hydrogenation of
1-Propanol
Simplest secondary alcohol
corresponding ketone. This can be achieved using oxidizing agents such as chromic acid, or by dehydrogenation of isopropyl alcohol over a heated copper catalyst:
Isopropyl_alcohol
Technique of coating metal on the surface of objects
etched chemically by a suitable process, such as dipping in a hot chromic acid-sulfuric acid mixture. The etched surface is sensitised and activated by first
Metallizing
List of common surgical suture materials
chromicisation (treatment with chromic acid salts), the chromic offers roughly twice the stitch-holding time of plain catgut. Chromic is absorbed by enzymatic
Suture materials comparison chart
Suture_materials_comparison_chart
American chemist
enzyme catalysis with Birgit Vennesland and determined the mechanisms of chromic acid oxidations and kinetic isotope effects. He received the National Medal
Frank_Westheimer
Type of surgical suture
is a brand registered of the company. Catgut Chrome (B Braun) suture is a variant treated with chromic acid salts. This treatment produces roughly twice
Catgut_suture
Contamination site in New Jersey
that used chromic acid solution in their products. In 1983, a tank at the E.C Electroplating property malfunctioned and spilled chromic acid into the groundwater
Garfield Groundwater Contamination Superfund site
Garfield_Groundwater_Contamination_Superfund_site
Chemical compound (OH–)
Vanadic acid H3VO4 shows similarities with phosphoric acid H3PO4 though it has a much more complex vanadate oxoanion chemistry. Chromic acid H2CrO4, has
Hydroxide
Chemical compound
corresponding peroxides. For example, upon treatment with hydrogen peroxide, chromic acid (CrO3 and H2SO4) forms a blue peroxide CrO(O2)2. The aerobic oxidation
Hydrogen_peroxide
Chemical compound
water-insoluble solid. It has been prepared by oxidation of phenanthrene with chromic acid. It is used as an artificial mediator for electron acceptor/donor in
Phenanthrenequinone
Organic compound containing the functional group R–CH=O
potassium permanganate, nitric acid, chromium(VI) oxide, and chromic acid. The combination of manganese dioxide, cyanide, acetic acid and methanol will convert
Aldehyde
Engineering thermoplastic polymer
primer/adhesive system, or mechanical abrasion. Typical etching processes involve chromic acid at elevated temperatures. DuPont uses a patented process for treating
Polyoxymethylene
Organic compound (C6H5NH2); simplest aromatic amine
solution, azobenzene results, whereas arsenic acid produces the violet-coloring matter violaniline. Chromic acid converts it into quinone, whereas chlorates
Aniline
Chemical compound with formula Na2SO4
dichromate, where sulfuric acid is added to sodium chromate solution forming sodium dichromate, or subsequently chromic acid. Alternatively, sodium sulfate
Sodium_sulfate
Industrial synthesis of chemical substance
it instead displays propionic acid function at ring D as a carboxylate (as shown in Figure 1), or as the carboxylic acid, in the case of two cyanide ligands
Vitamin_B12_total_synthesis
Surface covering of metal on a conductor
250 g/L of CrO3 and about 2.5 g/L of SO4−. In solution, the chrome exists as chromic acid, known as hexavalent chromium. A high current is used, in part
Plating
Oxidizing agent sometimes used in batteries
water. Examples include: Nitric acid, used in the Grove cell and Bunsen cell Chromic acid, used in the Chromic acid cell Manganese dioxide, used in the
Depolarizer
Crystalline form of carbon
made by immersing natural flake graphite in a bath of chromic acid, then concentrated sulfuric acid, which forces the crystal lattice planes apart, thus
Graphite
American molecular biologist (1919–2000)
(PhD) there, writing his two-part 1943 thesis on "A kinetic study of the chromic acid oxidation of isopropyl alcohol" and "The iodination of fibroin". After
Aaron_Novick
Study of the microscopic anatomy of cells and tissues of plants and animals
by Adolph Hannover (solutions of chromates and chromic acid), Franz Schulze and Max Schultze (osmic acid), Alexander Butlerov (formaldehyde) and Benedikt
Histology
Chemical treatment of metals
For aluminum, the chromate conversion bath can be simply a solution of chromic acid. The process is rapid (1–5 min), requires a single ambient temperature
Chromate_conversion_coating
Inorganic compound (SOCl2)
the action of phosphorus pentachloride on sulfurous acid, sulfuric acid, phosphoric acid, chromic acid, etc.]. Comptes rendus (in French). 28: 86–88. Persoz;
Thionyl_chloride
Preservation of biological tissue
penetrates thick sections of tissue very poorly.) Potassium dichromate, chromic acid, and potassium permanganate all find use in certain specific histological
Fixation_(histology)
Substitution reaction in organic chemistry involving free radicals
intermediates, for example the oxidation of aldehydes to carboxylic acids with chromic acid. Coupling reactions can also be considered radical substitutions
Radical_substitution
Power supply with electrochemical cells
Other primary wet cells are the Leclanche cell, Grove cell, Bunsen cell, Chromic acid cell, Clark cell, and Weston cell. The Leclanche cell chemistry was adapted
Electric_battery
Chemical compound
sulfuric acid gives red of chromic anhydride (chromium trioxide, CrO3): K2Cr2O7 + 2 H2SO4 → 2 CrO3 + 2 KHSO4 + H2O On heating with concentrated acid, oxygen
Potassium_dichromate
Buoyant object for indicating or measuring liquid level
continuous level measurement of their chromic acid tanks. Stainless Steel would rapidly corrode in chromic acid, which is why one would have the option
Float_(liquid_level)
Chemical compound
in 1840 as a product from the oxidation of indigo dye by nitric acid and chromic acids. Isatin is a well-known natural product which can be found in plants
Isatin
Chemical compound
dianhydride is prepared by oxidation of pyrene. Typical oxidants are chromic acid and chlorine. The unsaturated tetrachloride hydrolyzes to enols that
Naphthalenetetracarboxylic dianhydride
Naphthalenetetracarboxylic_dianhydride
(824 °F). Its solution in glacial acetic acid, by oxidation with chromic acid, yielded a red powdery solid and a fatty acid fusing at 62 °C, and exhibiting all
Idrialin
Chromium in the +6 oxidation state
anticorrosive agents to paints, primers, and other surface coatings; and chromic acid electroplated onto metal parts to provide a decorative or protective
Hexavalent_chromium
base: 620–630 μm, hydrochloride: 690 μm, zinc complex: 685–690 μm). Chromic acid degradation yields imides I, II, IIIa, and IIIb. Differences in the non-hydrolytic
Micromatabilin
solvent. Chromic acid a strong and corrosive oxidising agent; an intermediate in chromium plating Chromium trioxide the acidic anhydride of chromic acid; mainly
List_of_reagents
Mining company in Balochistan, Pakistan
Small scale local market exists for chemical grade chromite for use in Chromic Acid and to some extent refractory bricks. Vast majority of chromite ore is
Pakistan_Chrome_Mines_Ltd
Chemical compound
had undertaken X-ray analysis of the patchouli alcohol diester with chromic acid, intending to determine the Cr-O-C angles. In the course of their analysis
Patchoulol
Form of aluminium oxide
producing anodic aluminum oxide membranes using chromic acid, sulfuric acid, oxalic acid, or phosphoric acid appear in a patent attributed to Alan W. Smith
Anodic_aluminium_oxide
Particle, atom or molecule with a net electrical charge
names: authors list (link) Purdue University (21 November 2013). "Amino Acids". purdue.edu. Archived from the original on 13 July 2011. Retrieved 22 November
Ion
Poisonous alkaloid similar to strychnine
brucine was distinguished from strychnine by its reactivity toward chromic acid. Since brucine is a large chiral molecule, it has been used in chiral
Brucine
Chemical compound
hydrochloric acid followed by steam distillation. Oxidizing agents, such as ferric chloride, give a blue precipitate with solutions of its salts. Chromic acid converts
1-Naphthylamine
Historical chemical photographic process
dichromate. Gum arabic is not photosensitive by itself. To clear the chromic acid, the print is washed in 1% potassium metabisulfite after proper development
Gum_over_platinum
Variety of equipment usually made of glass used for scientific experiments
acid is common for removing inorganic residues. Even more severe methods exist, such as acidic peroxide (piranha solution), aqua regia, and chromic acid
Laboratory_glassware
Chemical compound
reported the preparation of HMB by oxidation of 2-methylpent-4-en-2-ol with chromic acid (H2CrO4); in 1880 and 1889, Schirokoff and Reformatsky (respectively)
Β-Hydroxy β-methylbutyric acid
Β-Hydroxy_β-methylbutyric_acid
German physicist (1796–1877)
although it is in fact straight; the second picture illustrates this fact. Chromic acid cell Biographisch-literarisches Handwörterbuch zur Geschichte der exakten
Johann_Christian_Poggendorff
Ion
5Na+ → C 7H 7C 5H 5 + NaX When treated with oxidising agents such as chromic acid, the tropylium cation undergoes rearrangement into benzaldehyde: C 7H+
Tropylium_cation
Arsenite (Arsenous acid) Copper(II) chromite Cu2Cr2O5 Chromite (chromic acid) Copper(II) gluconate C12H22CuO14 Gluconate (gluconic acid) Copper(II) peroxide
List_of_copper_salts
Chemical compound
retrieved 2026-07-04 "Relative Rates of Chromic Acid Oxidation of Naphthalenes and Fluorenes in Acetic Acid". ACS Publications. 1962-01-01. doi:10.1021/jo01048a510
Naphthalene
Chemical compound
acetylene, ethylene, propylene, and other compounds. It is oxidized by chromic acid to isovaleraldehyde, and it forms addition compounds crystals with calcium
Isoamyl_alcohol
Polycyclic aromatic hydrocarbon composed of three fused benzene rings
typically occur at the 9 and 10 positions, including: Oxidation with chromic acid gives phenanthrenequinone. Organic reduction to 9,10-dihydrophenanthrene
Phenanthrene
chloride – ZnCl2 Zirconium(IV) chloride – ZrCl4 Chromic acid – H2CrO4 Chromium trioxide (Chromic acid) – CrO3 Chromium(II) chloride (chromous chloride)
List_of_inorganic_compounds
Chemical compound
PMID 15906486. S2CID 30688737. Chromium(III) Chromium(IV) Aluminum phosphate Chromic acid Chrome alum Chromate Conversion Coating http://www.leadscope.com/structure_search_results
Chromium(III)_phosphate
American multinational conglomerate
of mercury, 2,800 kg (6,200 lb) of lead, and 1,500 kg (3,300 lb) of chromic acid use. The largest reduction represents 5% of mercury use in the United
Honeywell
Instrument for measuring the concentration of suspended particulates
standardizing turbidity measurements in 1926. Reducing turbidity in chromic acid solutions, Zeller, III, Robert L.; Morgan, Russell J.; Rabbe, Gilbert
Nephelometer
Aerospace engineering process
growth was measured at preselected intervals. The results showed that chromic acid anodizing with fluoride, etchants Turco 5578, Pasa Jell 107C – hydrohone
Titanium_adhesive_bonding
1912 paleoanthropological hoax
the appearance of age by staining the bones with an iron solution and chromic acid. Microscopic examination revealed file marks on the teeth, and it was
Piltdown_Man
Chemical compound
chromate with sulfur. It converts to sodium dichromate when treated with acids: 2 Na2CrO4 + 2HCl → Na2Cr2O7 + 2NaCl + H2O Further acidification affords
Sodium_chromate
Car produced by Renault between 1984 and 1996
the anti-corrosion phosphating and passivation of layers of zinc and chromic acid. Once this stage was completed, the chassis received a second treatment
Renault_Super_5
Reversible insertion of an ion into a material with layered structure
sulfuric acid and a little nitric acid or chromic acid. The analogous graphite perchlorate can be made similarly by reaction with perchloric acid.[clarification
Intercalation_(chemistry)
CHROMIC ACID
CHROMIC ACID
Girl/Female
Gujarati, Hindu, Indian, Marathi, Telugu
Sunrise; Comic
Girl/Female
Latin
Named for Venus.
Girl/Female
Indian
Beautiful; Understanding
Boy/Male
Irish
Charioteer.
Male
English
 English form of Welsh Kai, KAY means "lord." In Arthurian legend, this is the name of one of the first Knights of the Round Table. He was the son of Sir Ector, the foster brother of King Arthur, and is noted for having an acid tongue and boorish behavior, but mostly for trying to take credit when Arthur pulled the sword from the stone. Compare with another form of Kay.Â
CHROMIC ACID
CHROMIC ACID
CHROMIC ACID
CHROMIC ACID
CHROMIC ACID
CHROMIC ACID
CHROMIC ACID