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Analytical evaluation of sulfate liquors

V. Kubelka

Forschungsinstitut der Celluloseindustrie in Bratislava

 

Abstract: Discrepancies in the results of chem. analysis of black (kraft) liquors (I) are discussed. The following should be detd. in the original liquor: dry matter, insol. and incombustible portion, NaOH, Na2CO3, Na2S, Na2SO3, Na2S2O3, Na2SO4, Na2SiO3, C, H, O, S. In the ash after combustion the following should be detd.: total ash, insol. part, Na2SO4, Na2CO3, Na2SiO3, and Na2S. A table is given for calcg. org. matter. The chem. compn. of I shows about 20% O in the dry matter, whereas the literature shows only 10%.

Full paper in Portable Document Format: 84a207.pdf (in Slovak)

 

Chemical Papers 8 (4) 207–226 (1954)

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