Nonferrous metallurgy.  I.  Light metals:  aluminum, beryllium, titanium, and magnesium

Oliver, Richard T.; Cox, Ernest P.

doi:10.1021/ac60274a010

Anal. Chem.

1969

DOI: 10.1021/ac60274a010

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Nonferrous metallurgy. I. Light metals: aluminum, beryllium, titanium, and magnesium

Richard T. Oliver¹,

Ernest P. Cox²

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1971

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Cited by 3 publications

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“…As in the past (206), this review is limited to those analytical methods applied directly to materials of interest in the nonferrous metal industry. Many interesting methods potentially applicable to this field are not included because of space considerations.…”

mentioning

confidence: 99%

Nonferrous metallurgy. I. Light metals: aluminum, beryllium, titanium, and magnesium

Danchik¹

1971

Anal. Chem.

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mentioning

confidence: 99%

Nonferrous metallurgy. I. Light metals: aluminum, beryllium, titanium, and magnesium

Danchik¹

1971

Anal. Chem.

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Direct analysis of metal halides by electron-impact mass spectrometry

Matsumoto¹,

Kiba²,

Takeuchi³

1971

Anal. Chem.

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thiourea in the solution to avoid the reverse reaction between thiourea and gold(III) which produced the gold(I) thiourea species. Oxidation of thiourea in acidic solution to give sulfate ion required the action of a vigorous oxidant in a boiling solution (9). Aqua regia (3 parts concentrated hydrochloric acid to 1 part concentrated nitric acid) proved to be effective for this dual purpose. The higher the concentration of thiourea in the solution, the more aqua regia had to be added to ensure that the gold remained in the gold(III) form; this relationship had to be determined empirically. The quantity of concentrated aqua regia required to oxidize the thiourea in 10 ml of 0.1M sulfuric acid solution in shown in Figure 1. The destruction of the thiourea was marked by an effervescence in the solution (distinct from boiling) and the evolution of nitrous fumes; at higher concentrations of thiourea, this effervescence became very vigorous. A slight cloudiness in the liquor was usually the result of the addition of insufficient aqua regia; this shortfall was made good before proceeding

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Determination of gold in solutions of thiourea

Groenewald¹,

Jones²

1971

Anal. Chem.

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Nonferrous metallurgy. I. Light metals: aluminum, beryllium, titanium, and magnesium

Cited by 3 publications

References 84 publications

Nonferrous metallurgy. I. Light metals: aluminum, beryllium, titanium, and magnesium

Nonferrous metallurgy. I. Light metals: aluminum, beryllium, titanium, and magnesium

Direct analysis of metal halides by electron-impact mass spectrometry

Determination of gold in solutions of thiourea

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