• Publications
  • Influence
A POSSIBLE CAUSE OF OLD AGE.
  • 3
BIOELEMENTS; THE CHEMICAL ELEMENTS OF LIVING MATTER
  • I. W. Hackh
  • Chemistry, Medicine
  • The Journal of general physiology
  • 20 March 1919
Among the 87 known elements less than one-half (namely 34) have been found to enter into living matter. Of these only 17 seem to be essential to life, and of these 17 not more than 4 elements formExpand
  • 8
  • PDF
A NEW TABLE OF THE PERIODIC SYSTEM.
  • 1
The History of the Alphabet
  • 5
A new periodic chart
  • 4
SODIUM IODIDE IN TABLE SALT.
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