ASTM D5471-2018 邻二甲苯标准规范 980

ASTM D5471 标准涵盖标记为邻二甲苯的邻二甲苯等级 980.
抽象

This specification covers o-xylene grades, the standard being o-xylene 980. O-xylene 980 shall be tested and sampled in accordance with standard test methods and practices and shall meet the following requirements: 纯度; Non-aromatic; P-xylene plus m-xylene; C9 and heavier aromatics; Isopropylbenzene; Bromine index; The appearance should be transparent liquid, no sediment and haze; Color of platinum-cobalt grade; And distillation range.

本摘要是参考标准的简要概述. 仅供参考,并非标准的正式部分; 使用和应用需参考标准本身全文. ASTM 不做任何形式的保证, 明示或暗示, 并不代表本摘要内容准确, 完整的或新的.

ASTM D5471-2018 邻二甲苯标准规范 980

步 1: 范围

1.1 This specification covers the o-xylene grade identified as o-xylene 980.

1.2 以下内容适用于本规范中所有指定的限值: 为了确定与本规范的一致性, observed or calculated values shall be rounded to the nearest unit of the last right-handed digit used to represent the specification limit, 遵循练习 E29 的舍入方法.

1.3 以 SI 单位表示的值应视为标准值. 本标准不包含其他计量单位.

ASTM D5471-2018 邻二甲苯标准规范 980

1.4 Review current OSHA regulations and supplier safety data sheets, as well as local regulations for all materials used in this specification.

1.5 国际标准基于国际公认的标准化原则 “关于国际标准制定原则的决定, 指南和建议” 由技术性贸易壁垒委员会发布 (技术性贸易壁垒) 世界贸易组织.

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