Suspensions bismuth carbonate

Dissolve item 2 in hot water. Disperse item 1 in 75 mL room-temperature item 10. 

With constant agitation, add item 3 and continue stirring. 

Disperse item 4 in item 10. Add it to the batch. Dissolve item 2 in item 1 dispersion and add to batch. 

Dissolve items 6 and 7 in water and add. Add flavor, color, and water to volume. 

Pass through homogenizer or colloid mill if necessary. 

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Bismuth oxycarbonate is prepared by adding sodium carbonate to a suspension of bismuth subnitrate in water. 

Bismuth Oxide. Combine all the liquors from the foregoing add sodium carbonate until alkaline to litmus let settle, and draw off the supernatant liquor boil the remaining suspension after adding to it about 20 grams more of sodium carbonate. Then wash the precipitate twice by decantation, drain on a suction filter, and wash with two or three portions of water. Dry and preserve this product in a cork-stoppered bottle. 

Carbon-supported (Activated carbon SXplus supplied by NORIT, Sbet = 750 m2.g-l, particle size 0.2-0.1mm) bimetallic and monometallic catalysts were prepared by deposition from a suspension of carboxylate particles in n-heptane chosen as inert organic solvent. Precursors used for the incorporation of the metals were either, palladium(II) acetate (ACROS) and bismuth(lll) oxoacetate, Bi0(02CCH3) (synthesized as described elsewhere [8]), or diammine(pyrazine-2,3-dicarboxylato-N,0)palladium(II) [12] and tris(monohydrogenopyrazine-2,3-dicarboxylato)bismuth(III) (noted Bi(2,3-pzdcH>3) [13]. 

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