It was found that the yellowing resistance of aluminum sulfate tanned skin collagen was better than the synthetic tannin tanned skin collagen .

本文还研究了鞣制对皮胶原黄变的影响，发现硫酸铝鞣皮胶原的耐紫外光黄变性要好于 合成 单 宁鞣制皮胶原。

Method : The synthetic condition of solid coordination compound was tested with Pr ~ 3 + 、 Nd ~ 3 + and vegetable Tannin and carried on FT-IR UV analysis .

方法：试验了稀土离子Pr3+、Nd3+与植物 单 宁（ Tn）的固体配合物 合成条件，并进行了傅立叶红外光谱、紫外光谱分析。

The Properties of Synthetic Tannin and Chromium (ⅲ) Complex

铬（Ⅲ）与 合成 鞣 剂的络合性研究