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Expired
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GB1270738A
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Individual
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Individual
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Priority to GB1270738ApriorityCriticalpatent/GB509076A/en
Publication of GB509076ApublicationCriticalpatent/GB509076A/en
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B5/00—General methods of reducing to metals
C22B5/02—Dry methods smelting of sulfides or formation of mattes
C22B5/20—Dry methods smelting of sulfides or formation of mattes from metal carbonyls
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Engineering & Computer Science
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Chemical & Material Sciences
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Manufacturing & Machinery
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Materials Engineering
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Mechanical Engineering
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Metallurgy
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Organic Chemistry
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
509,076. Extracting nickel..JOHNSON, G. W. (I. G. Farbenindustrie Akt.-Ges.). April 28, 1938, No. 12707. [Class 82 (i)] Nickel poor in carbon is obtained from nickel carbonyl which has previously been freed from its iron content, for example by fractional distillation, to such an extent that it contains not more than 0.1 per cent of iron.
GB1270738A1938-04-281938-04-28Improvements in the manufacture and production of nickel poor in carbon
ExpiredGB509076A
(en)
Procedure for the purification of a mixture of esters of 3, 5, 5-trimethyl-cyclohexanol and mandelic acid (Machine-translation by Google Translate, not legally binding)