Lanlang ® CH010 is a sort of chelating resin which has weakly acidic thiourea (-CH2-S-C-NHNH2) on the styrene / DVB copolymer with special macroporous structure. This product can fix and chelating one or several kinds of certain cation in a great range even in the solution with high content. It is used mainly to separate and purify the free mercury and precious metals, with the characteristics such as uniform grain and good mechanical intensity.
Basic Features:
Application: | Mercury removal, precious metals recovery |
Polymer matrix structure: | Macroporous polystyrene crosslinked with divinylbenzene (DVB) |
Appearance: | White, spherical beads |
Functional Group: | Thiourea |
Ionic form as shipped: | Na+ |
Physical and Chemical Properties:
| NO. | ITEM | SPEC |
| 1 | Total exchange capacity (eq/L) | ≥1.2 |
| 2 | Moisture retention (%) | 48-58 |
| 3 | Particle size range (%) | 0.45-0.85 mm≥95 |
| 4 | Whole uncracked beads after attrition (%) | ≥96 |
| 5 | Shipping weight (g/ml) | 0.70-0.74 |
| 6 | Specific gravity (g/ml) | 1.10-1.16 |
| 7 | Effective size (mm) | 0.4 - 0.6 |