指标名称    技术要求    国标一等品指标
二氧化钛含量  %      ≥        98.5    98.0
颜色(与标样比)    明显好于    不低于
消色力(与标样比)      ≥    100    100
吸油量g/100g            ≤                              22                                  26
45µm孔筛余物%      ≤                              0.05                                0.10
水可溶物%            ≤                                0.5                                      0.5
水悬浮液PH值        6.5-8.0    6.5-8.0
105℃挥发物%            ≤                            0.5                            0.5