单宁酸分析试验方法

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1、ICS65.020B72中华人民共和国林业行业标准LY/T1642-2005单宁酸分析试验方法Testmethodforanalysisoftannicacid2005-08-16发布2005-12-01实施国家林业局发布LY/T1642-2005目次前言··················································································································⋯⋯1范围·......................

2、.............................................................................................2规范性引用文件································································································⋯⋯3术语和定义·································································

3、·····································⋯⋯4试验方法·········································································································⋯⋯4.1干燥失重的测定·····························································································⋯⋯4.2单宁酸含量的测定···

4、·······················································································⋯⋯4.3水不溶物的测定·........................................................................···················⋯⋯4.4颜色的测定·····································································

5、·····························⋯⋯4.5灼烧残渣的测定···························································································⋯⋯4.6砷的测定······································································································⋯⋯4.7铅的测定··················

6、····················································································⋯⋯4.8重金属的测定································································································⋯⋯4.9树胶、糊精试验···································································

7、········.......·..·..··.....⋯⋯4.10树脂试验···········································································.·..············..·.......⋯⋯4.11水溶解试验.........................................................................................................4.12没食子酸的测定····

8、·························································································⋯⋯LY/T1642-2005前言本标准由