Collect. Czech. Chem. Commun.
1951, 16, 526-530
https://doi.org/10.1135/cccc19510526
Potentiometrische Titration von freiem SO3 in rauchender Schwefelsäure
J. Šponar
Collect. Czech. Chem. Commun.
1951, 16, 526-530
https://doi.org/10.1135/cccc19510526