[85] supposed that by adding CaO into BaTiO3-(Bi1/2Na1/2)TiO3, Ca2+ mainly substituted for Bi and Na ions and worked as a donor by substituting for sodium in the A site using structure analysis. Liang Yan [86] increased the temperature coefficient α 10/25 to 38.28 % in ...
Metallic barium is used for removal of residual gas in vacuum tubes and in alloys with nickel, lead, calcium, magnesium, sodium, and lithium. Barium compounds are used in the manufacture of lithopone (a white pigment in paints), chlorine, sodium hydroxide, valves, and green flares; in synthe...
Barium hydroxoaluminate hydrates were precipitated from different sodium hydroxoaluminate solutions at 20 °C; CAl varied from 0.1 to 0.5 M and initial Ba/Al2 ratios ( = excess OH/Al ratios) varied from 1 to 7. Precipitate compositions were determined by chemical analysis, infra-red ...
Predict the formula for the ionic compound formed between barium and phosphorus. Barium reacts with a polyatomic ion to form a compound with the general formula Ba_3(X)_2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X? (a) NaX (b...
Which of the following ionic compounds are soluble in water? (a) Lithium iodide (b) Barium chloride (c) Sodium perchlorate (d) Lead iodide (e) Barium sulfate. What is the precipitate of calcium nitrate, Ca(NO3)2, and sodium chloride, Na...
(Zshiescheet al.,1992). No health symptoms related to exposure or any significant differences in ECG or pulse rate were observed. Plasma concentrations of sodium, magnesium, and calcium were not related to the barium exposure. A transient decrease in plasma potassium levels was noticed in some ...
Therefore, the Ba–H bonds in BaH12 have substantial ionic character, whereas the H–H bonds are mainly covalent. The low electronic density of states N(E) in semimetallic Cmc21-BaH12 looks typical for one-dimensional …H–H–H… chains (Fig. 4h, Supplementary Figs. S36 and S38) which...
(310) and (113) are shifted slightly towards a lower diffraction angle compared to the untreated BCST composite. Also, Fig.2bclearly depicts this shifting behavior via utilizing a zoomed image of peak (110). The replacement of the larger ionic radius (I.R.) Sn+4ion (I.R. = 0.69 ...
petroleum sulfonates, sulfated fatty amines, or their amides, esters of sodium isothionates, alkyl phenoxypolyoxyethylene alkanols, or phosphate esters including ethoxylated alkylphenol phosphates. Other additives which may be employed include anti-foaming agents, suspending agents, bactericides, and the ...
H. Gruber, Bis(diphenyl- phosphino)amine; the Preparation from 1,2,4,5- Tetrabromo-benzene and Sodium-diphenyl- phosphide in Liquid Ammonia and the Reaction with C h ro m iu m h ex acarbony l... 310 H . Brunner and St. Loskot, On the Reactions of G e J2 and S n J2 with...