Na_2SO_4、NaCl含量对皮革返盐霜的影响

The Effect of Salt Content on the Leather Spewing

本文介绍了采用浸水试验将皮革分为返盐霜、微返盐霜、轻微返盐霜和不返盐霜四组，并采用容量法对各组皮革中ＮａＣｌ、Ｎａ２ＳＯ４的含量进行了测定，从而发现Ｎａ２ＳＯ４含量及Ｎａ２ＳＯ４＋ＮａＣｌ含量与皮革返盐霜之间的关系。

Abstract The authors divided leather spewing into four classes,find leather salt spew concered with sulfate sodium content and chloride sodium content in the leather, this conclusion had a guiding significance on leather manufacture and leather selecting of shoe-makers.