Collect. Czech. Chem. Commun.
1936, 8, 395-407
https://doi.org/10.1135/cccc19360395
A universal indicator for the determination of pH between 1.2 and 12.7 and its analytical use
F. Čůta and K. Kámen
Collect. Czech. Chem. Commun.
1936, 8, 395-407
https://doi.org/10.1135/cccc19360395