Peptized clay

Transport of clay through the soil body. Transport of peptized clay particles requires downward percolation of water through wide (>20 pm) pores and voids. Clay translocation is particularly prominent in soils that shrink and crack in the dry season but become wet during occasional downpours. 

The heavy-end portions (usually called heavy fractions) of bitumen (e.g. asphaltenes, preasphaltenes) can exist both in a random oriented particle aggregate form or in an ordered micelle form, peptized with resin molecules (16.17). In their natural state, asphaltenes exists in an oil-external (Winsor s terminology) or reversed micelle. The polar groups are oriented toward the center, which can be water, silica (or clay), or metals (V, Ni, Fe, etc.). The driving force of the polar groups... 

For clay minerals the natural processes of weathering and erosion tend to produce small particle sizes so that usually only mild dispersion in simple mixers, blenders, or ultrasonic baths are required. Also for days, having inherent lattice charge means that when in contact with water an electric double layer is immediately created and no stabilizing (peptizing) electrolyte may be needed in this case. The converse may also apply. That is, a sample may contain too much electrolyte to be easily dispersed. Clay and other suspensions that contain a large, aggregating amount of electrolyte can be purified by a number of means to remove this electrolyte and create a reasonably stable dispersion. 

The high peptization efficiency of some substances is due to the fact that besides cation exchange the clay particle surface also adsorbs the anion, so that a coagulation-... 

Use a hard granular carbon that can withstand peptizing action Apply carbon in an admixture with another adsorbent such as magnesium silicate, bentonite, activated clay. In selecting an additional adsorbent it is necessary to consider whether the pH and other characteristics are compatible with the system being treated Conduct the adsorption in separate stages ... 

Pentachlorthiofenol Renacit 7 RPA 6 USAF B-51. Peptizer for natural rubber, polyisoprene, styrene/butadiene rubber, polybutadiene, NBR, bu l, chloroprene and blends absorbed on clay, used as a peptizing agent facilitating open rnill and internal mixer mastication in rubber industry, Mildly toxic by ingestion severe eye irritant. Akrochem Chem. Co. Bayer AG Polysar. 

Z. Weyberg reported crystals of lithinm chromite, LiCrOg, to be formed along with lithium aluminate when mixtures of an excess of lithium chromate with china clay are calcined. The brown powder consists of microscopic, isotropic, octahedral crystals. As previously indicated, there are differences of opinion as to the nature of the green liquid obtained when freshly precipitated hydrated chromic oxide is treated with alkali-lye. The process is one of either peptization or dissolution or else it includes both. R. Kremann, M. Kreps, and J. K. Wood and V. K. Black consider that the soln. of hydrated chromic oxide in alkali is chromite while W. Herz and H. W. Fischer, A. Hantzsch, C. F. Nagel, W. V. Bhagwat and N. R. Dhar, and H. B. Weiser consider it to be peptized, hydrated chromic oxide. C. Fricke and... 

CAS 7758-29-4 EINECS/ELINCS 213-837-7 Uses Water softener sequestrant peptizer deflocculant dispersant for clay and other mins, and insoi. salts scale inhibitor for CaCOj and other scales corrosion inhibitor of ferrous metal corrosion used in laundry, dishwash, and industrial detergents, tile mfg., textile processing, paper mfg., cement mfg. pigment dispersant in paints corrosion/scaie inhibitor, sequestrant for water treatment... 

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