Metal bottle dispersion

From the previous paragraphes it follows that a substantial amount of experimental data exist that illustrate the oxygenation properties of zeolite catalysts. In very general terms zeolites are used to heterogenize transition metal ions in ion exchange or lattice positions, to stabilize transition metal oxide dispersions and to prepare ship-in-bottle complexes. 

After storage for 16 years in a tin, a sealed bottle originally holding sodium dispersed in xylene was found to contain a yellow/white solid layer in place of the expected supernatant xylene. Scraping the solid out caused a violent explosion. The force of the explosion leads to a suspicion of peroxide formation, but there is no obvious explanation. Reactive materials like alkali-metal dispersions in volatile solvents should not be stored indefinitely, but clearly labeled after receipt or preparation to show the disposal date. Disposal of such dispersions by binning is recommended. Sodium dispersed in toluene might behave in the same way. 

A variety of metal cluster compounds have been chemically bound on amorphous metal oxides and entrapped inside zeolite cages by new preparative tools such as surface organometallic chemistry and the so-called ship-in-bottle technique. They oflier much promise as molecular precursors for rational preparation of tailored metal catalysts having a uniform distribution of discrete metal-bimetallic ensembles, namely, organometallics which are active for catalytic reactions. They also provide advantages as metal precursors to achieve higher metal dispersions and well-managed metal... 

Metal carbonyl clusters on supports are important to the subject reviewed here because they are the best known precursors of structurally simple supported metal clusters, which are formed by decarbonylation of the precursors. The routes for preparation of molecularly or ionically dispersed metal carbonyl clusters on zeolite and metal oxide supports include syntheses from mononuclear precursors on the support surface [5,9]. Ship-in-a-bottle syntheses of this type take place when the clusters formed in zeolite cages are trapped there because they are too large to fit through the apertures. Syntheses in the nearly neutral NaY zeolite are similar to those occurring on the nearly neutral y-Al203 and in nearly neutral solutions. Examples are the syntheses of [Ir4(CO)i2] [8] and of [Ir6(CO)i6] [10] from [Ir(CO)2(acac)] in the presence of CO. Syntheses in the more basic NaX zeolite are similar to those occurring in basic solutions and on the basic surface of MgO, e g., those of [HIr4(CO)ii]-and [Ir6(CO)i5]2- [11]... 

Uses Surfactant, defoamer, emulsifier, solubilizer, detergent, dispersant, lubricant for textiles, pulp/paper, metal, pharmaceuticals, cosmetics, fermentation, syn. resin emulsions, adhesives, paint pigments, oil, leather, photography, agric. forest industries polymerization emulsifier detergent in auto dishwash, bottle washing, etc. 

Chem. Descrip. Straight chain primary aliphatic oxyalkylated alcohol Uses Detergent, dispersant, defoamer, deduster in rinse aids, machine dishwashing prods., metal cleaning, hard surf, cleaners, bottle washing, latexes... 

Use only water-dispersible adhesives on labels use labels that have a specific gravity less than 1 on PET bottles do not use metallized labels on bottles with a specific gravity greater than 1 use PVC and PVDC labels only on PVC containers ensure that pigments do not bleed from the label during recycling. 

Non-Polymer Areas Agricultural wettable and dispersible powders. Metal cleaning, bottle washing, paint stripper, brick and tile cleaning, pickling, acid etching agents and hard surface cleaners. Excellent acid and base stability. 

Uses Detergent, emulsifier, dispersant, wetting agent for household/industrial cleaners, hand cleaners, It.-duty detergents, dishwash, glass/floor/wall tile cleaners, disinfecting cleaners, acid and alkaline metal cleaners and sanitary cleaners, all-purpose cleaners, bottle cleaners, insecticides Features Stable to water hardness, dil. acid and caustic sol ns. compat. with nonionic, anionic, cationic, and amphoteric surfactants Properties Paste dens. 0.962-0.966 g/cm (70 C) FILB 13.0 solid, pt, 22-25 C ... 

Chem. Descrip. Proprietary polyamino phosphonic acid Uses Sequestrant, dispersant, scale inhibitor for l l cleaning, detergent, metal cleaning, pulp/paper bleaching, dairy cleaners, bottle washing, electroplating, oil field water treatment, peroxide stabilization, textile applies, flash desalination Properties Amber cl, liq, m,w, 570 sp,gr, 1,342 (20 C) fp, < -10 C pH 5,5-6,0 30% act, acid... 

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