TAPPI T 627 om-16描述了二氧化钛的容量定量测定程序 （TiO2）在纸张和原材料中，如颜料、填料和矿物，以及在不同工艺阶段的材料中，如白水、改性或未改性的涂层颜色、油墨等。它适用于所有TiO2含量水平。TAPPI T 421“矿物填料和矿物的定性（包括光学显微镜）分析 “纸张涂层”描述了一种定性程序，用于确定纸张中是否存在钛。

TAPPI T 627 om-16 describes a procedure for the volumetric quantitative determination of titanium dioxide (TiO2) in paper and raw materials such as pigments, fillers, and minerals, as well as in materials in various stages of process such as white water, modified or unmodified coating colors, inks, etc. It is suitable for all levels of TiO2 content.TAPPI T 421 "Qualitative (Including Optical Microscopic) Analysis of Mineral Filler and Mineral Coating of Paper" describes a qualitative procedure for determining the presence or absence of titanium in paper.