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peptization
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peptization
peptization Chem. (pɛptaɪˈzeɪʃən) [f. peptone + -ization.] The transformation of a solid or semi-solid colloid into a fluid form by chemical means.1864 T. Graham in Proc. R. Soc. XIII. 340 Liquid silicic acid may be represented as the ‘peptone’ of gelatinous silicic acid; and the liquefaction of the...
Oxford English Dictionary
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Peptization
The peptization of a liquid mixture is the process of converting the mixture into a colloid by shaking it with a suitable electrolyte called a peptizing Peptization is also used in nanoparticle synthesis to make a large grouping of particles split into many primary particles.
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peptize
peptize, v. Chem. (ˈpɛptaɪz) [f. peptone + -ize.] trans. To convert into a sol; to cause to undergo peptization.1864 T. Graham in Proc. R. Soc. XIII. 340 The pure jellies of alumina, peroxide of iron, and titanic acid, prepared by dialysis, are assimilated more closely to albumen, being peptized by ...
Oxford English Dictionary
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Flocculation
Deflocculation
Deflocculation is the exact opposite of flocculation, also sometimes known as peptization.
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peptizer
peptizer Chem. (ˈpɛptaɪzə(r)) [f. peptize v. + -er1.] A substance which causes peptization, or which serves to prevent the coagulation of a colloid suspension; spec. a catalyst which facilitates the process of mastication or vulcanization of rubber, by preventing the recombination of broken polymer ...
Oxford English Dictionary
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Clay–water interaction
(4) Deflocculation, or peptization, the opposite effect, occurs by addition of chemical deflocculant to flocculated mud; the positive edge charges are
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Particle aggregation
The reverse process whereby particle agglomerates are re-dispersed as individual particles, referred to as peptization, hardly occurs spontaneously, but Clarifying agent
Double layer forces
DLVO theory (stability of colloids)
Electrical double layer
Emulsion
Flocculation
Gel
Nanoparticle
Particle deposition
Peptization
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protective
protective, a. (n.) (prəʊˈtɛktɪv) [f. protect v. + -ive. Cf. med.L. prōtectīvus: a 1259 Matth. Paris Cron. Maiora anno 1250, Manus regis..que utique manus defensiva esse tenetur et protectiva.] A. adj. 1. a. Having the quality or character of protecting; tending to protect; defensive; preservative.1...
Oxford English Dictionary
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Colloid-facilitated transport
forces
Gouy-Chapman model
Eigencolloid
Electrical double layer (EDL)
Flocculation
Hydrosol
Interface
Interface and colloid science
Nanoparticle
Peptization
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Colloid
A common method of stabilising a colloid (converting it from a precipitate) is peptization, a process where it is shaken with an electrolyte.
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Superplasticizer
See also
Particle aggregation (inverse process of)
Peptization
Plasticizer
Polycarboxylates
Rheology
Surfactant
Suspension (chemistry)
References
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Ionic strength
Debye–Hückel theory
Double layer (interfacial)
Double layer (electrode)
Double layer forces
Electrical double layer
Gouy-Chapman model
Flocculation
Peptization
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Quick clay
stronger electrostatic repulsion between negatively charged clay platelets which can more easily become dispersed and form stable suspensions in water (peptization
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Neodymium(III) chloride
The modified catalyst is prepared by chemical coprecipitation–peptization method by ammonium hydroxide from mixture of TiCl4 and NdCl3 in aqueous solution
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