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The composition and aqueous solution to be used in the refining physico chemistry of surfaces of stainless steel magnetic and physical chemical process for the refining surfaces of magnetic stainless steel
The composition and aqueous solution to be used in the refining physico chemistry of surfaces of stainless steel magnetic and physical chemical process for the refining surfaces of magnetic stainless steel
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机译:用于磁性不锈钢表面的精炼物理化学和磁性不锈钢表面精炼的物理化学过程的成分和水溶液
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摘要
The invention provides a composition for addition to water to provide an aqueous solution that is effective for use in the physico-chemical refinement of magnetic stainless steel surfaces said composition comprising, in a major amount, an acid ingredient consisting at least predominantly of oxalic acid and, in a minor amount, an accelerating ingredient consisting essentially of a sulfur-containing compound such as a thiocyanate sa and a nitrobenzene compound oxidising agent such as m-nitrobenzene sulfonic acid, said composition being at least substantially completely soluble in water at 20 DEG Centrigrade, in amounts of said composition of up to 10 percent by weight of water. Advantageously the compositions can contain a hydroxyalkylamine surfactant containing 2 to 4 carbon atoms and a poly(oxyethylene)alkyl alcohol surfactant. Also provided are solutions containing the said compositions and processes for refining magnetic stainless steel surfaces using such solutions.
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