lyt 1644-2005 没食子酸分析试验方法

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1、ICS65020B72中华人民共和国林业行业标准LY/T1644-2005没食子酸分析试验方法Testmethodforanalysisofgallicacid2005-08-16发布2005-12-01实施国家林业局发布LY/T1644-2005目次前言⋯I范围2规范性引用文件·······，，·························，，······························，··················⋯⋯3术语和定义···················，，················，················

2、·····················，，···············⋯⋯4试验方法·····················，························································，·-··············⋯⋯4.1干燥失重的测定······································，。·····················，·······⋯⋯”‘’“‘””“4,2没食子酸含量的测定·····························，·，············

3、···············，·⋯“’“‘’‘’“““’“门4.3灼烧残渣的测定···，····，，，······································‘································，⋯⋯介4.4水溶解试验································，········，，，，·······················，，···············，···⋯⋯Q4.5单宁酸试验············，，·······，················，·············

4、················，，·，················⋯⋯︺户4.6硫酸盐的测定·········································，，···································，，·······⋯⋯﹃︹﹃4.7氯化物的测定·········································，········，，··············⋯⋯““‘⋯“····⋯⋯月4.S色度的测定············································，····

5、······，···········，·····················⋯⋯任‘44.9浊度的测定············，，，····················································，，，·，，···············⋯⋯月4.10铁的测定11··················“‘······，···，····，··············，······‘····4·一马一阮4n重金属的测定·······，，···，，····················，····-·················

6、·······················⋯⋯︺LY/T1644-2005前言本标准由中国林业科学研究院林产化学工业研究所提出。本标准由中国林业科学研究院林产化学工业研究所归口。本标准由中国林业科学研究院林产化学工业研究所负责起草，湖南省张家界贸源化工有限公司、广西武鸣拷胶厂、重庆长江扬帆化工有限公司等参加起草。本标准主要起草人:陈茄鸿、汪咏梅、吴冬梅、昊在篙oLY/T1644-2005没食子酸分析试验方法奋告—使用本标准的人员应有正规实验室工作的实践经验。本标准并未指出所有可能的安全问题。使用者有责任采取适当的安全和健康措施，井保证符合国家有关规定的条件。范围本

7、标准规定了没食子酸分析的试验方法。本标准适用于不同用途的没食子酸产品质量的分析。2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单(不包括勘误的内容)或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB/T602化学试剂杂质测定用标准溶液的制备GB/T603化学试剂试验方法中所用制剂及制品的制备GB/T605化学试剂色度测定通用方法GB/丁6284化工产品中水分含量测定的通用方法重量法GB/T6682