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- [7] Effect of hydrogen-ion concentration upon the analysis of vegetable tanning materials JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1922, 14 : 1128 - 1129
- [10] THE EFFECT OF AVAILABLE RESIDUAL CHLORINE AND HYDROGEN-ION CONCENTRATION UPON THE EYES OF SWIMMERS AMERICAN JOURNAL OF HYGIENE, 1951, 54 (01): : 144 - 149