Note 321 — Chapter XI · TRANSFORMATION PRODUCTS OF RADIUM.
Reading edition
Marckwald (Ber. d. D. Chem. Ges. p. 591, 1905) has recently found that the activity of his radio-tellurium falls to half value in 139 days.
Reading edition
Marckwald (Ber. d. D. Chem. Ges. p. 591, 1905) has recently found that the activity of his radio-tellurium falls to half value in 139 days.