| Qib | Ceev | Kev khaws cia cov khoom me me (μm) | Tus nqi ntws ①(s) | Tuab (hli) | Qhov hnyav pib (g/m3)2) | Ntub Dej Tawg ② (hli) H2O | Tshauv < % |
| 1 | Nruab Nrab | 11 | 40-50 | 0.18 | 87 | 260 | 0.15 |
| 2 | Nruab Nrab | 8 | 55-60 | 0.21 | 103 | 290 | 0.15 |
| 3 | Nruab nrab-qeeb | 6 | 80-90 | 0.38 | 187 | 350 | 0.15 |
| 4 | Ceev heev | 20-25 | 15-20 | 0.21 | 97 | 260 | 0.15 |
| 5 | Qis heev | 2.5 | 250-300 | 0.19 | 99 | 350 | 0.15 |
| 6 | qeeb | 3 | 90-100 | 0.18 | 102 | 350 | 0.15 |
① Kev ceev ntawm kev lim dej yog lub sijhawm rau kev lim dej 10ml (23±1℃) dej distillated los ntawm daim ntawv lim dej 10cm2.
Cov ntawv thiab cov yob nrog kev cai loj tuaj yeem muaj.
| Qib | Loj (cm) | Ntim khoom |
| 1,2,3,4,5,6 | 60 × 60 46X57 | 60 × 60 |
| Φ7、Φ9、Φ11、Φ12.5、Φ15、Φ18、Φ18.5、Φ24 | Ntawv: 100 daim ntawv/pob, 10 pob/CTN | |
| Lub voj voog: 100 lub voj voog/pob, 50 pob/CTN |
1. Kev tshuaj xyuas zoo ua ntej kev kho mob;
2. Kev lim cov precipitates, xws li ferric hydroxide, lead sulphate, calcium carbonate;
3. Kev kuaj noob thiab kev tshuaj xyuas av.