GB/T 3959-2008
AbolishedAnhydrous aluminium chloride for industrial use
工业无水氯化铝
📋 Scope / 适用范围 ai_extracted
This standard specifies the requirements, test methods, inspection rules, marking, labeling, packaging, transportation, and storage of anhydrous aluminum chloride for industrial use. This standard applies to anhydrous aluminum chloride for industrial use. This product is primarily used as a catalyst in the organic chemical industry.
本标准规定了工业无水氯化铝的要求，试验方法，检验规则，标志、标签，包装、运输、贮存。 本标准适用于工业无水氯化铝。该产品主要用作有机化学工业的催化剂。
📝 Foreword / 前言 ai_extracted
Please note that some content of this standard may be subject to patent rights. The issuing organization of this standard shall not be held responsible for identifying these patent rights. This standard replaces GB/T 3959—1994 "Anhydrous aluminium chloride for industrial use." The main changes in this standard compared to GB/T 3959—1994 are as follows: —— The requirements have increased the index for aluminium chloride content in three grades (1994 edition, 3.2; this edition, 4.2); —— The requirements have increased the index for iron content in premium grade and qualified grade (1994 edition, 3.2; this edition, 4.2); —— The requirements have increased the index for heavy metal content in first grade and qualified grade (1994 edition, 3.2; this edition, 4.2); —— In the test methods, the determination method for aluminium chloride content has been changed to the silver nitrate potentiometric titration method (1994 edition, 4.1; this edition, 5.4); Appendix A of this standard is an informative appendix. This standard was proposed by the China Petroleum and Chemical Industry Association. This standard is under the jurisdiction of the Inorganic Chemical Subcommittee of the National Chemical Standardization Technical Committee (SAC/TC63/SC1). The main drafting organizations of this standard: Tianjin Chemical Research and Design Institute, Suzhou Jiuchuang Chemical Co., Ltd. The main drafters of this standard: Liu Youruo, Gao Peng, Ge Guohua, Wan Kai. The previous versions of the standard replaced by this standard are as follows: GB/T 3959—1994. GB/T 3959 GB/T 3959 GB/T 3959 GB/T 3959—2008 2008 2008 2008 2 Anhydrous aluminium chloride for industrial use
请注意本标准的某些内容有可能涉及专利。本标准的发布机构不应承担识别这些专利的责任。 本标准代替GB/T 3959—1994《工业无水氯化铝》。 本标准与GB/T 3959—1994 相比主要变化如下：. ——要求中提高了三个等级的氯化铝含量的指标（1994 年版3.2，本版4.2）； ——要求中提高了优等品、合格品的铁含量的指标（1994 年版3.2，本版4.2）； ——要求中提高了一等品、合格品的重金属含量的指标（1994 年版3.2，本版4.2）； ——试验方法中将氯化铝含量的测定方法改为硝酸银电位滴定法（1994 年版4.1，本版5.4）； 本标准的附录A 为资料性附录。 本标准由中国石油和化学工业协会提出。 本标准由全国化学标准化技术委员会无机化工分会（SAC/TC63/SC1）归口。 本标准主要起草单位：天津化工研究设计院、苏州久创化工有限公司 本标准主要起草人：刘幽若、高鹏、戈国华、万凯 本标准所代替标准的历次版本发布情况：GB/T 3959—1994。 GB/T 3959 GB/T 3959 GB/T 3959 GB/T 3959—2008 2008 2008 2008 2 工业无水氯化铝
📚 References & Relations / 引用与关联
🔗 Related Standards / 同类标准
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