This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
Form. | Activity. | Price per Gramme. | Price per Ounce. | Price per Milligram. |
Dollars | Dollars | Dollars | ||
Radium chloride or bromide......................................... | 50 | 4 | 125 | .004 |
100 | 8 | 250 | .008 | |
500 | 30 | 910 | .040 | |
1,000 | 60 | 1,820 | .080 | |
5,000 | 240 | 7,280 | .40 | |
10,000 | 500 | 15,050 | .80 | |
20,000 | 1,000 | 30,100 | 1.60 | |
50,000 | 2,000 | 60,200 | 4.00 | |
100,000 | 4,000 | 120,400 | 8.00 | |
500,000 | 20,000 | 602,000 | 40.00 | |
Radium, pure............................................................... | 1,800,000 | 80,000 | 2,408,000 | 144.00 |
- Table furnished by Dr. George F. Kunz.
 
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