论字迹色素天津师范大学应用文科学院张清志档案字迹色素问题，是档案保护技术学的重要课题之一，也是该学科的难点之一，从而成为档案保护工作者讨论和研究的一个焦点。本文拟就此问题，谈一些理解和认识。一、色度的本质物质在可见光区选择吸收电磁波的特性，就叫做该物... On the handwriting pigment pigment of Tianjin Normal University Zhang Qingzhi archival pigment project, is one of the important issues of file protection technology, but also one of the difficulties of the discipline, thus becoming a focus of discussion and study of file protection workers. This article intends to talk about this issue, to talk about some understanding and understanding. First, the color of the essence of material in the visible light area to select the characteristics of electromagnetic waves, is called the object ...