This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, MW-distribution and thin-layer chromatography.

• 摘要通过对落叶松栲胶进行亚硫酸盐和氢氧化钠的改性，则定其溶液黏度，用不同溶剂进行分级和薄层色谱。