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Regeneration of sulphuric acid cleaning baths for copper and brass
Regeneration of sulphuric acid cleaning baths for copper and brass
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机译:铜和黄铜硫酸清洗液的再生
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摘要
Process for regenerating sulphuric acid cleaning baths for copper and brass comprises adding hydrazine sulphate and recovering the pptd. metal complexes.
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