This method describes a procedure for the volumetric quantitative deter-mination of titanium dioxide (TiO) in paper and raw materials such as pigments, fillers, and minerals, as well as in materials in various stages of 2 process such as white water, modified or unmodified coating colors, inks, etc. It is suitable for all levels of TiO content. 2
TAPPI T 421 “Qualitative (Including Optical Microscopic) Analysis of Mineral Filler and Mineral Coating of Paper” describes a qualitative pro-cedure for determining the presence or absence of titanium in paper.
