1.1 这些试验方法涵盖了白色二氧化钛颜料的化学分析程序。 1.2 分析程序按以下顺序出现: 小节 样品的制备 4. 定性分析 5. 和 6. 潮湿 7. 总钛: 琼斯减速机法 8 – 12 铝还原法 13 – 17 氧化铝 18 – 22 二氧化硅 23 – 29 1.3 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 第节给出了具体的危险说明 19 . 1.5 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。

1.1 These test methods cover procedures for the chemical analysis of white titanium dioxide pigments. 1.2 The analytical procedures appear in the following order: Sections Preparation of Sample 4 Qualitative Analysis 5 and 6 Moisture 7 Total Titanium: Jones Reductor Method 8 – 12 Aluminum Reduction Method 13 – 17 Aluminum Oxide 18 – 22 Silica 23 – 29 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. A specific hazard statement is given in Section 19 . 1.5 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.