Fu Chun Yu Lab Notebooks

µ (D²) = 0.857631 ± 0.00011 µ_N

K. Lindstrom

using NaBr, Na₂BrO₄ solution

µ(S³³) = 0.63 ± 0.02

spin 3/2

spin of Se⁷⁷ 1/2

Sept. 29, 1950 Measurement of the resonance frequency of Mg²⁵ relative to that of N¹⁴ in HNO₃. Sample of Mg²⁵ =4.6 molar of MgCl₂. The sign of the magnetic moment of Mg²⁵ has been compared with that of Cl³⁵ at the same frequency & shown to be negative.

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Mg²⁵ (2900 -> 2890 KC)

Time	Distance bet. markers	Marker	Resonance distance	Resonance frequency
31.5 min	98.2 mm	#1	49.0 mm	2895.1 KC
73	97.0	"	48.2	2895.1	2895.1 KC
113. 5	97.4	"	48.2	2895.1
157	99.0	"	48.2	2895.2

N¹⁴ in HNO₃ (3420 -> 3410 KC)

6 min	53.0 mm	#1	14.2 mm	3417.4 KC
50	54.0	"	14.5	3417.4
90.5	54.2	"	14.0	3417.5	3417.5 KC
130	56.0	"	14.0	3417.6