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| 4A Zeolite catalyst chemical Index: | |||
| Item | Limits | Test Method | |
| 1 | loss on ignition(800C,1h) | 20+0.5% | Q/QZH 01-95.5.4 |
| 2 | C.E.C.Calcium Exchange Capacity | QB/T1768-2003 | |
| MgCaCO3/g(dry) | 320+10mgCaCO3/g | ||
| C.E.R.:3minutes | >170mgCaCO3/g | ||
| C.E.R.:10minutes | >200mgCaCO3/g | ||
| 3 | ph(Suspension 1% 25C) | <11 | GB6368 QB/QZH01-94.5.5 |
| 4 | White Grade(w=y) | >97+0.5% | GB/TT13176.1 |
| 5 | Grain size (micron meter) | Q/QZH 01-94.5.5 | |
| D50(Average grain size) | 2.1-2.6um | ||
| Less than 4um | >90% | ||
| Less that 1um | <1% | ||
| 6 | Sieve residue(wet sieve) | <0.3% | Q/QZH 01-94.5.6 |
| 7 | Al2O3(dry) | >35% | Q/QZH 01-95.4.5 |
| 8 | Bulk density(g/l) | 350-500 | Q/QZH 01-94.5.9 |
| 9 | Crystalline | >95% | X-RAY |
| 10 | Liquid carrying capacity (g/100g) | >31% | Minimixer |
ISO Zeolite 4A catalyst chemical