hydrogenchloride; sulfur dioxide in water byproducts: H2SO4; react. in water contg. ice and K-acetate leading SO2 into it,mixing,at 0°C;filtering,washing with 0.5 n HCl,hydrolysis at 100°C,for 2h; pptg. of H2SO4 with BaCl2,filtering,evapn.;
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Rollefson, G. K.; Oldershaw, C. F.
Journal of the American Chemical Society, 1932 , vol. 54, p. 977
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Gmelin Handbook: N: MVol.4, 2.1, page 857 - 866
in sulfuric acid Electrolysis; mixing dild. HCl with dild. HNO3 in an amalgated lead cell as cathode under applying lead anode (anode liquid: dild. H2SO4), 15°C, current: 50 A and 25 V; evapn., then cooling, removing of NH4Cl by treating with cold abs. alc., recrystn. from alcohol;
sulfur dioxide; sodium carbonate; acetone in not given react. of SO2,Na2CO3 and NaNO2;adding acetone to the formed Na-hydroxylamine disulfonate at 70 °C;neutralization with NaOH; evapn.,recrystn. from water;
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Semon
Journal of the American Chemical Society, 1923 , vol. 45, p. 189
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Gmelin Handbook: N: MVol.4, 2.1, page 857 - 866
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Raschig, F.
Schwefel- und Stickstoffstudien, Leipzig-Berlin 1924,p.1
hydrogenchloride in hydrogenchloride byproducts: C2H5OH, H2O; in concd. HCl soln.; evapn. of the alcohol,diluting with water,pptg. of the Sn with H2S,evapn. and crystn. from alcohol;
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Journal of the Chemical Society, , vol. 47, p. 626
