The Formation And Decomposition of Dithionates
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When the bottle was opened a white powder was observed, which weighed 2. 6 grams after being collected on an alundum crucible. There was a strong odor of sulfur dioxide in the bottle. The white pow^der was thought to be barium sulfate, as would be inferred from the literature. An analysis of the powder in question yielded the following percentages of barium and sulfur.
Theor. % No. 1. No. 2. Average, in B&SO* Barium 56. 511% 56. 479% 56. 495% 53. 83% Sulfur 14. 180% 14. 136% 14. 158% 13. 73% Fr...om the foregoing it is evident that the solid formed in decom- posing barium dithionate is too high in sulfur and too low in barium to be pure barium sulfate. Further a little computation shows that under the conditions of this experiment only about one third of the dissolved dithionate was decomposed.
It was next desired to ascertain the nature of the products of decomposition which, as above indicated, are not solely sulfate and sulfur dioxide. Consequently 2. 67 grams of the solid residue, in nitric acid and bromine water, was digested overnight on a hot plate, the purpose being to dissolve any free sulfur, sul- fites, thiosulfates, or other sulfur compounds convertible to sul- fates or sulfuric acid by this method.
What to read after The Formation And Decomposition of Dithionates?
You can find similar books in the "Read Also" column, or choose other free books by Jacob Cornog to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
When the bottle was opened a white powder was observed, which weighed 2. 6 grams after being collected on an alundum crucible. There was a strong odor of sulfur dioxide in the bottle. The white pow^der was thought to be barium sulfate, as would be inferred from the literature. An analysis of the powder in question yielded the following percentages of barium and sulfur.
Theor. % No. 1. No. 2. Average, in B&SO* Barium 56. 511% 56. 479% 56. 495% 53. 83% Sulfur 14. 180% 14. 136% 14. 158% 13. 73% Fr...om the foregoing it is evident that the solid formed in decom- posing barium dithionate is too high in sulfur and too low in barium to be pure barium sulfate. Further a little computation shows that under the conditions of this experiment only about one third of the dissolved dithionate was decomposed.
It was next desired to ascertain the nature of the products of decomposition which, as above indicated, are not solely sulfate and sulfur dioxide. Consequently 2. 67 grams of the solid residue, in nitric acid and bromine water, was digested overnight on a hot plate, the purpose being to dissolve any free sulfur, sul- fites, thiosulfates, or other sulfur compounds convertible to sul- fates or sulfuric acid by this method.
What to read after The Formation And Decomposition of Dithionates?
You can find similar books in the "Read Also" column, or choose other free books by Jacob Cornog to read onlineMoreLess
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