Main ingredients: Wood powder, Elm hide powder, Senior spicery.

主要成分: 木粉 、 榆树皮粉 、 高级香料.

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Hide powder is an important chemical reagent for determination of tannin content in vegetable tanning materials.

皮粉是分析植物鞣剂中单宁(鞣质)含量所必需的化学试剂.

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ConclusionThe colorimetric method is more simple, convenient and accurate than the hide powder method.

结论比色法比皮粉法更简单 、 方便,更适合于中药中鞣质含量的测定.

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