+ Br = Cr(OH

The calculated percentage composition of the thulium (M.C.) is Tm metal, 93.62;. TmH2,. 3.14; Tm203, 1.85; TmN, 0.118; C, 0.075; Mg,. 0.05; Ca, 0.10; ...
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NOTES

380

corrected vatlue.6 If the combustion products, HzO, NO2 and Con, are assumed to re