Determination of boron in nickel-base alloys by the dianthrimide method.
The dianthrimide method for the determination of boron in iron and low-alloy steels may be applied to nickel-base materials. The sample is dissolved, without any loss of boron, by hydrochloric and sulphuric acids and the resulting boric acid determined spectrophotometrically with dianthrimide. Background corrections are necessary to compensate for the absorbance from ions such as nickel and iron.
Burke
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KE
The International Nickel Company, Inc., Paul D. Merica Research Laboratory Sterling Forrest, Suffern, N.Y., U.S.A.
Albright
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CH