Estimation of Oxygen in Inert "Oxygen-Free" Atmospheres

bluing” or. “oxygen error”), which is well known in iodometry, showed these solutions to be useless for the authors' purposes. Satisfactory stan...
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. ANALYTICAL EDITION

September, 1946

Table

V.

Win.

Max.

%

%

Statistical Analysis lor Carbon and Hydrogen Zn

m

a

Zn’

mr

8’

B’

y’

-

Carbon, A.S.T.M. permissible difference 0.3% Anthracites 6 5 . 7 4 . 91.73 208 100 0.181 207 100 0.172 0.4 Bituminous coals 34.10 91.10 124 50 0.420 118 48 0.317 0.4