And thereby settlement for embrittlement was suggested as follows: activation with acidic salt instead of pickling for degreased products.

从而提出了解决方法：产品除油后用酸盐活化替代酸洗。

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The test is used to detect surface iron contamination, i. e., iron salt residue from pickling, iron tool scratches on the stainless steel surface, iron deposits at weld areas, and iron oxides.

该检测用于检测表面的铁的污染，如浸酸中铁盐残留，不锈钢表面的铁制工具的刮痕，焊接区的铁沉积以及铁的氧化物。

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There exist some unassailable problems in traditional chrome tanning, such as low exhaustion of chrome, salt pollution from pickling, and time-consuming process, etc.

传统浸酸铬鞣存在着一些不容忽视的问题，如：铬的吸收率低，浸酸时带来的盐污染，鞣制周期长等。

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