Barium Salt

Potassium acetate, mbidium acetate, and cesium acetate are very soluble ia anhydride ia contrast to the only slightly soluble sodium salt. Barium forms the only soluble alkaline earth acetate. Heavy metal acetates are poorly soluble. 

BaS hydrolyzes to Ba(OH)2 and barium hydrosulfide. Cooling of an aqueous BaS solution can precipitate the double salt barium hydroxide sulfide hydrate [42821-46-3J, Ba(OH)2 Ba(SH)2 -xH O. 

Synonyms Elemental barium barium ion barium, alloys, non-pyrophoric barium, alloys, pyrophoric barium, metal, non-pyrophoric0 Acetic acid, barium salt barium diacetate barium acetate monohydrated,e Carbonic acid, barium salt witheritee,f... 

SYNS ACETIC ACID, BARIUM SALT BARIUM DIACETATE OCTAN BARNATY (CZECH)... 

Insoluble solids, regardless of particle size, that have a relatively low interfacial tension and are readily wetted by water are called hydrophilic solids. These solids include clays (bentonite, kaolin, talc, magnesium aluminum silicate) bismuth salts, barium sulfate, carbonates, hydroxides, or oxides of calcium, magnesium, zinc, and aluminum and titanium dioxide. The hydro-philicity of a powder surface can be investigated with the help of moisture absorption studies in which the solid particles are exposed to varying relative humidities. Insoluble powders that absorb moisture below relative humidities of 70-80% at room temperature are said to be hydrophilic solids. 

The radio-opacity of X-ray contrast media depends on the fact that they contain substances that have high atomic numbers, which absorb X-rays. Bismuth, now largely obsolete, has an atomic number of 83, barium 56. Since the soluble salts of barium are poisonous, the insoluble salt, barium sulfate, is used as a suspension. Soluble contrast media are based on iodine, which has an atomic number of 53. This means that in principle they can have the various adverse effects of other iodine-containing compounds. 

D-Galactopyranosyl-D-ara6ino-hexulosonic acid ( 2-ketolactobi-onic acid ) was obtained by oxidizing lactosone with bromine, and the product was isolated as the mixed barium salt-barium bromide complex [(C,2H,90i2)2Ba-BaBr2-4 HaO]. ... 

Write balanced formula unit, total ionic, and net ionic equations for an acid-base reaction that will produce the salt, barium chloride. 

The various stabilising systems used for PVC include organotins, i.e. octyl thio—tin complexes, calcium-zinc salts, barium, cadmium zinc salts, epoxidised materials, and a newer group, the estertins. 

Magnesium powder (no coarser than table salt). Barium peroxide (no coarser than table salt). Spoon. 

Also precipitated as silver salt, barium salt, lead salt, copper salt, or phosphotungstate. Purification by AljO adsorption may result in the compound C.jHyiN. 0 4P2.-AK0H)j.H20. 

Acetic acid, barium salt Barium xetate Barium di(acetate) Barium diacetate Casweli No, 068A CCRIS 7240 EiNECS 208-849-0 NSC 75794 Octan barnaty. Chemicai reagent, acetates, textile mordant, catalyst manufacture, paint and varnish driers. White soiid d = 2,4680 solubie in H2O LDso (rat ori) = 921 mg/kg, Hoechst Celanese Mallinckrodt Inc. Sigma-Aldrich Fine Cham. 

The following salts of phenylphosphinous acid are known potassium salt (2H2O), ammonium salt, calcium salt, barium salt (-iHaO), lead salt and iron salt. 

Small batches ( 10 g) of powders were prepared by the glycine-nitrate process (GNP) [5], Appropriate amounts of metal salts (barium-, cerium-, yttrium-, and zirconyl nitrates, ammonium cerium [IV] nitrate, and barium acetate were [Alfa Aesar, Ward Hill, MA]) and glycine were dissolved in deionized water. The solution was heated on a hot plate in a stainless steel beaker until a sufficient amount of solvent had evaporated allowing the precursor to ignite. The resulting ash was sieved (100-mesh) and calcined for 20 min to 30 min at 1,200°C to produce the desired single-phase perovskite. Additional material was obtained commercially (Praxair). The following compositions were synthesized ... 

The liquid is a strong irritant to skin. Such irritant property may be attributed to sulfuric acid resulting from the reaction with the moisture in the skin. The vapors of this substance are highly irritating to the respiratory tract. It readily forms salts with group llA metals. The barium salt, barium ethyl sulfate... 

The sodium and barium salts of the monoamino acids have a strongly alkaline reaction and are highly dissociated salts. If carbonic acid be passed into the solution of the barium salt, barium carbonate is not, as would be expected, immediately formed the solution remains clear, and only after a short time, when the solution becomes saturated with carbonic acid, does it become cloudy and barium carbonate gradually separates out the separation of barium carbonate is hastened by heating. This phenomenon is due, as was shown by Siegfried in 1905, to the formation of salts of carbamino acids of the general formula... 

The effect of various metal salt catalysts [29-33] on the production of olefin-sulfiir dioxide copolymers was studied earlier by Frey, Snow, and Schulze [33]. It was found that the soluble catalysts (silver nitrate, lithium nitrate, ammonium nitrate, and dilute alcoholic nitric acid) are much more effective than insoluble salts (barium nitrate, zirconium nitrate, titanium nitrate, strontium nitrate, and mercuric nitrate) which usually have long induction periods for reactions as shown in Table III [33]. 

Barium poisonings are uncommon and usually result from accidental contamination of food sources, suicidal ingestion, or occupational inhalation exposure. The water-soluble barium salts (acetate, carbonate, chloride, fluoride, hydroxide, nitrate, and sulfide) are highly toxic, whereas the insoluble salt, barium sulfate, is nontoxic because it is not absorbed. Soluble barium salts are found in depilatories, fireworks, ceramic glazes, and rodenticides and are used in the manufacture of glass and in dyeing textiles. Barium sulfide and polysulfide may also produce hydrogen sulfide toxicity (see p 224). 

CjHjObP, Mr 168.04, exists in physiological solution as the dianion, it is a central metabolic product of glycolysis, gluconeogenesis, and the biosynthesis of shikimic acid. Free PEP is not stable stable derivatives include the crystalline metal salts, barium silver PEP trihydrate, monosodium PEP hydrate, calcium bis-PEP dihydrate. 

Synonyms Acetic acid barium salt Barium dIacetate Empirical CjMsBaO,... 

The solubilities of the scale-forming salts barium and strontium sulphates in aqueous solutions of sodium chloride have been reviewed by Raju and Atkinson (1988, 1989). Equations were proposed for the prediction of specific heat capacity, enthalpy and entropy of dissolution, etc., for all the species in the solubility equilibrium, and the major thermodynamic quantities and equilibrium constraints expressed as a function of temperature. Activity coefficients were calculated for given temperatures and NaCl concentrations and a computer program was used to predict the solubility of BaS04 up to 300 °C and SrS04 up to 125 °C. 

Barium sulfate is used to produce pigments in paints, though the density of color is insufficient for its use alone and it is frequently combined with zinc salts. Barium is also used in die decorative coloring of glass during manufacture. The green color of its flame is exploited in the manufacture of pyrotechnic devices. 

The second method is the measurement of the transport number, for which the experimental technique was developed by Tubandt and his co-workers (39). It was early discovered (67,68) that Faraday s laws were valid for the salts barium chloride and silver chloride, and thus tliat the current carriers are ions. Tubandt and his school carried these investigations much further by pressing salt cylinders together between metal electrodes and electrolysing the system. By weighing the cylinders and electrodes before and after electrolysis the amounts of material transported were estimated directly. However, it was shown that in many instances threads of metal formed stretching from anode to cathode, so that conduction soon became metallic. a-AgI did not behave in this manner, and it was sufficient to coat the electrodes with a protective layer of this salt to suppress the formation of metal threads. With a cell arranged as below ... 

Write the net ionic equation in which the slightly soluble salt barium fluoride, Bap2, dissolves in dilute hydrochloric acid. 

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