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Silver bromide information


Silver bromide
Names
IUPAC name
Silver(I) bromide
Other names
  • Bromargyrite
  • Bromyrite
  • Argentous bromide
Identifiers
CAS Number
  • 7785-23-1 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 59584 checkY
ECHA InfoCard 100.029.160 Edit this at Wikidata
EC Number
  • 232-076-8
PubChem CID
  • 66199
UNII
  • NHQ37BJZ2Z checkY
CompTox Dashboard (EPA)
  • DTXSID4064844 Edit this at Wikidata
InChI
  • InChI=1S/Ag.BrH/h;1H/q+1;/p-1 checkY
    Key: ADZWSOLPGZMUMY-UHFFFAOYSA-M checkY
  • InChI=1/Ag.BrH/h;1H/q+1;/p-1
    Key: ADZWSOLPGZMUMY-REWHXWOFAK
SMILES
  • [Ag]Br
Properties
Chemical formula
AgBr
Molar mass 187.77 g/mol
Appearance
  • Pale yellow solid
  • photosensitive
Density 6.47 g/cm3, solid[1]
Melting point 430 °C (806 °F; 703 K)[1]
Boiling point 1,502 °C (2,736 °F; 1,775 K)[1]
Solubility in water
0.14 mg/L (25 °C)[1]
Solubility product (Ksp)
5.35 × 10 −13[2]
Solubility
  • insoluble in alcohol, most acids
  • sparingly soluble in ammonia
  • soluble in alkali cyanide solutions
Band gap 2.5 eV
Magnetic susceptibility (χ)
−59.7·10−6 cm3/mol[3]
Refractive index (nD)
2.253
Structure
Dipole moment
5.62 D[4]
Thermochemistry[5]
Heat capacity (C)
52.4 J·mol−1·K−1
Std molar
entropy (S298)
107.1 J·mol−1·K−1
Std enthalpy of
formation fH298)
−100.4 kJ·mol−1
Gibbs free energy fG)
−96.9 kJ·mol−1
Hazards
GHS labelling:
Pictograms
GHS09: Environmental hazard
Signal word
Warning
Hazard statements
H410
Precautionary statements
P273, P391, P501
Related compounds
Other anions
  • Silver(I) fluoride
  • Silver chloride
  • Silver iodide
Other cations
  • Copper(I) bromide
  • Mercury(I) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Silver bromide (AgBr) is a soft, pale-yellow, water-insoluble salt well known (along with other silver halides) for its unusual sensitivity to light.[6] This property has allowed silver halides to become the basis of modern photographic materials.[7] AgBr is widely used in photographic films and is believed by some to have been used for making the Shroud of Turin.[8] The salt can be found naturally as the mineral bromargyrite.[9]

  1. ^ a b c d Haynes, p. 4.84
  2. ^ Haynes, p. 5.178
  3. ^ Haynes, p. 4.130
  4. ^ Haynes, p. 9.65
  5. ^ Haynes, p. 5.35
  6. ^ "Bromine | Properties, Uses, & Facts | Britannica". www.britannica.com. Retrieved 2023-01-20.
  7. ^ Greenwood, N.N.; Earnshaw, A. (1984). Chemistry of the Elements. New York: Permagon Press. pp. 1185–87. ISBN 978-0-08-022057-4.
  8. ^ Hamilton, J.F. (1974). "Physical Properties of Silver Halide Microcrystals". Photographic Science and Engineering. 18 (5): 493–500.
  9. ^ "Definition of BROMYRITE". www.merriam-webster.com. Retrieved 2023-01-20.

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Silver bromide

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Silver bromide (AgBr) is a soft, pale-yellow, water-insoluble salt well known (along with other silver halides) for its unusual sensitivity to light. This...

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Potassium bromide

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of bromide ions. This reaction is important for the manufacture of silver bromide for photographic film: KBr ( aq ) + AgNO 3 ( aq ) ⟶ AgBr ( s ) + KNO...

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Sodium bromide

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Sodium bromide is an inorganic compound with the formula NaBr. It is a high-melting white, crystalline solid that resembles sodium chloride. It is a widely...

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Bromide

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Bromargyrite—natural, crystalline silver bromide—is the most common bromide mineral known but is still very rare. In addition to silver, bromine is also in minerals...

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Silver halide

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may each combine with silver to produce silver bromide (AgBr), silver chloride (AgCl), silver iodide (AgI), and four forms of silver fluoride, respectively...

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Photographic paper

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sensitive silver halide crystals suspended in gelatin. Black-and-white papers typically use relatively insensitive emulsions composed of agb silver bromide, silver...

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Bromine

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covalent bromides are known for metals in oxidation state +3 (e.g. scandium bromide is mostly ionic, but aluminium bromide is not). Silver bromide is very...

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Silver chloride

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water. Interfering ions for this test are bromide and iodide, as well as a variety of ligands (see silver halide). For AgBr and AgI, the Ksp values are...

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Silver

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presence of potassium bromide (KBr). These compounds are used in photography to bleach silver images, converting them to silver bromide that can either be...

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Silver nitrate

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with the halide: white (silver chloride), pale yellow/cream (silver bromide), yellow (silver iodide). AgBr and especially AgI photo-decompose to the metal...

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Gelatin silver process

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the gelatin silver process is commonly attributed to Richard Leach Maddox, author of the 1871 article An Experiment with Gelatino-Bromide. In 1873, Charles...

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Cloud seeding

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Chessin, Henry (1971-11-26). "Ice Nucleation by Coprecipitated Silver Iodide and Silver Bromide". Science. 174 (4012): 945–946. Bibcode:1971Sci...174..945V...

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List of inorganic compounds

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– SiBr4 Silver bromide – AgBr Sodium bromide – NaBr Sodium bromate – NaBrO3 Sodium perbromate – NaBrO4 Thionyl bromide – SOBr2 Tin(II) bromide – SnBr2...

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Halogen

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salts, including calcium fluoride, sodium chloride (common table salt), silver bromide and potassium iodide. The group of halogens is the only periodic table...

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Bromine compounds

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nonmetals tend to form covalent molecular bromides, as do metals in high oxidation states from +3 and above. Silver bromide is very insoluble in water and is...

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Bromargyrite

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Bromyrite or bromargyrite is a natural mineral form of silver bromide found mainly in Mexico and Chile. Hardness is 1.5 to 2. Related are chlorargyrite...

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Photographic emulsion

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gelatin. The light-sensitive component is one or a mixture of silver halides: silver bromide, chloride and iodide. The gelatin is used as a permeable binder...

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Sureshanteyum Sumalathayudeyum Hrudayahariyaya Pranayakadha

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by Akash Thomas Music by Dawn Vincent Production companies Silver Bay Studios Silver Bromide Pictures Distributed by Sree Gokulam Movies through Dream...

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Carbon print

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variation of the process, known as carbro (carbon-bromide) printing, contact with a conventional silver bromide paper print, rather than exposure to light,...

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Photoconductivity

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Kodachrome, Fujifilm, Agfachrome, Ilford, etc., based on silver sulfide and silver bromide. the conductive polymer polyvinylcarbazole, used extensively...

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List of photographic processes

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Photo-crayotype Rayograph Salt print Self-toning paper Siderotype Silver bromide Silver chloride collodion Simpsontype Sphereotype Stand development Stanhope...

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Silver compounds

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alkyl bromides into alcohols. Silver fulminate, AgCNO, a powerful, touch-sensitive explosive used in percussion caps, is made by reaction of silver metal...

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Collodion process

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they were mostly used for positive printing. Shortly later, silver iodide and silver bromide emulsions were produced. These proved to be significantly faster...

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Standard Gibbs free energy of formation

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−856.4 Silver Silver bromide Solid AgBr −96.90 Silver chloride Solid AgCl −109.8 Silver iodide Solid AgI −66.19 Silver oxide Solid Ag2O −11.21 Silver sulfide...

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Lippmann plate

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film using the Albumen Process containing potassium bromide, then dried, sensitized in the silver bath, washed, irrigated with cyanine solution, and dried...

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Calotype

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washing it in a solution of potassium bromide, which converted the remaining silver iodide into silver bromide in a condition such that it would only...

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Tropylium cation

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ethanol. Reaction with aqueous silver nitrate immediately gave silver bromide, indicating labile bromide. Tropylium bromide was deduced to be a salt, C 7H+...

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