Name | NM-100 | NM-101 | NM-102 | NM-103 | NM-104 | NM-105 | TiO2 R | TiO2 A | |
---|---|---|---|---|---|---|---|---|---|
In vitro comet assayb | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | |
What they are | Total non-TiO2 content including coating and impurities (% w/w) | 1.5 | 9 | 5 | 11 | 11 | 0.11 | 13 | 0.5 |
Surface coating (%) | 0 | 0 | 0 | 8 | 8 | 0 | 11 | 0 | |
Organic matter (% w/w) | 0 | 8 | 0 | 2 | 2 | 0 | 9 | 0 | |
Crystal type (Anatase) | 1 | 1 | 1 | 0 | 0 | 0.84 | 0 | 1 | |
Crystal type (Rutile) | 0 | 0 | 0 | 1 | 1 | 0.16 | 1 | 0 | |
Crystal type (Cubic) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Crystallite size (mean) (nm) | 117.81 | 7.69 | 23.93 | 24.32 | 24.71 | 22.44 | – | – | |
Shape (elongated = 1, spherical = 0) | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | |
Aspect ratio | 1.53 | 1.53 | 1.53 | 1.7 | 1.53 | 1.36 | 6.2 | 1 | |
Primary particle diameter (mean) (nm) | 93.45 | 5.25 | 22.00 | 24.00 | 24.50 | 20.13 | 62 × 10 | 14 | |
Specific surface area (m2/g) | 9.23 | 316.07 | 77.87 | 53.98 | 54.33 | 47 | 177 | 149 | |
Where they go | Isoelectric Point (Mean) (pH) | – | 5.5 | 6 | 8.3 | 8.5 | 6.8 | – | – |
Density (g/ml) | 3.84 | 3.99 | 3.84 | 4.02 | 4.09 | 4.05 | – | – | |
Mean of total pore volume (ml/g) | 0.032 | 0.319 | 0.300 | 0.262 | 0.194 | 0.194 | – | – | |
Micro surface area (m2/g) | 0 | 13.625 | 1.108 | 0 | 0 | 0 | – | – | |
Micropore volume (ml/g) | 0 | 0.00179 | 0.00034 | 0 | 0 | 0 | – | – | |
Dustiness-Respirable(mg/kg) | 1500 | 5600 | 9200 | 19,000 | 6400 | 11,000 | – | – | |
Biodurability 24 h 0.05% BSA (Ti content) (μg/l) | 5.2 | 0 | 0 | 0 | 0 | 0 | – | – | |
Biodurability 24 h Gambles solution (Ti content) (μg/l) | 0 | 0 | 3388 | 0 | 0 | 0 | – | – | |
Biodurability 24 h Caco2 (Ti content) (μg/l) | 796 | 3414 | 1741 | 222 | 3386 | 2724 | – | – | |
What they do | Redox Caco2 mediuma | 1 | -1 | -1 | 1 | -1 | -1 | – | – |
Redox Gamble’s solutiona | 1 | 0 | -1 | 1 | -1 | -1 | – | – | |
Redox BSAa | 0 | 0 | 0 | 0 | 0 | 0 | – | – |