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Process for providing a tortoise-shell chromatic effect to metallic substrates
Process for providing a tortoise-shell chromatic effect to metallic substrates
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机译:为金属基材提供龟甲彩色效果的方法
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摘要
The present invention relates to a chemical process for providing a tortoise-shell chromatic effect to nickelated metallic substrates, which comprises heating the metallic substrate to 100-110 DEG C and subsequent buffering at a temperature of 40-110 DEG C with an oxidizing solution based on sodium thiosulfate, a reagent metal and an acidifying compound.
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