Research Notes I, 1949

vHg199/vD2 = 1.16468 +- 0.00007 = 1.16468 +- 0.0001 uHg199 = (1.16468 +- 0.0001) (0.428235) ~ 0.499 uN Dropper 26.3 drops = 1 c.c.

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ueff soln salts Co [illegible] 4.6-5.0 4.4-5.2 Mn [illegible] 5.3-5.96 5.85 Fe [illegible] 5.94 5.4-6.0 (Mn [illegible]/Co [illegible])2 = 1.28-1.42 ~ 1.35

Sept. 29 49 Mo-sample m.w. = 238.14 (A) 13.58 guess of K2M0o4 in 12 ml of H2O Mo #1 4.75 M of Mo 2 o M of Co(NO3)2 Mo #2 M of Mo 2 M of Co(NO3)2 (B) 17.46 gm of K2MoO4 m 18 ml of H20 Mo #3 407 M of Mo 2 M of Co (NO3)2 Mo #4 407 M of Mo 2 M of Co (NO3)2 Mo #5 407 M of Mo M of Co (NO3)2

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