1.1 本规范涵盖了商业上称为锌黄（铬酸锌）的颜料。 1.2 包括两种类型: 1.2.1 I型- 纯度高，硫酸盐和氯化物含量低。 1.2.2 II型- 普通等级。 1.3 以国际单位制表示的数值应视为标准值。括号中给出的值仅供参考。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 3.1 锌黄用于黑色金属和有色金属的防锈保护涂层和金属底漆。

1.1 This specification covers the pigments commercially known as zinc yellow (zinc chromate). 1.2 Two types are included: 1.2.1 Type I— High-purity, low sulfate and chloride content. 1.2.2 Type II— Regular grade. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 3.1 Zinc yellow is used in rust-inhibiting protective coatings and metal primers for ferrous and non-ferrous metals.