✦ LIBER ✦

OBSERVATIONS ON THE RARE EARTHS. XXVI. THE PURIFICATION AND ATOMIC WEIGHT OF ERBIUM

✍ Scribed by Boss, Arthur Evan; Hopkins, B. S.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

OBSERVATIONS ON THE RARE EARTHS. XVI. TH

✍ Driggs, Frank H.; Hopkins, B. S. 📂 Article 📅 1925 🏛 American Chemical Society 🌐 English ⚖ 448 KB

OBSERVATIONS ON THE RARE EARTHS. X. THE

✍ Owens, A. W.; Balke, C. W.; Kremers, H. C. 📂 Article 📅 1920 🏛 American Chemical Society 🌐 English ⚖ 740 KB

OBSERVATIONS ON THE RARE EARTHS. VI. THE

✍ Kremers, H. C.; Hopkins, B. S.; Engle, E. W. 📂 Article 📅 1918 🏛 American Chemical Society 🌐 English ⚖ 974 KB

OBSERVATIONS ON THE RARE EARTHS. XII. TH

✍ Hopkins, B. S.; Driggs, F. H. 📂 Article 📅 1922 🏛 American Chemical Society 🌐 English ⚖ 188 KB

OBSERVATIONS ON THE RARE EARTHS. IX. THE

✍ Kremers, H. C.; Hopkins, B. S. 📂 Article 📅 1919 🏛 American Chemical Society 🌐 English ⚖ 280 KB

Observations on the Rare Earths. XLVI. T

✍ Naeser, C. R.; Hopkins, B. S. 📂 Article 📅 1935 🏛 American Chemical Society 🌐 English ⚖ 252 KB