Glass sublimator
Maximum starting material capacity: 20 g.
Apparatus designed for the sublimation and purification of solid substances, suitable for vacuum sublimation processes, featuring an internal cold-finger condensation system and a separate chamber for collecting the sublimated product.
Technical Specifications
Maximum starting material capacity: 20 g.
Outer diameter of the sublimation vessel: 48 mm.
Condensation system: Internal cold-finger condenser.
Separate collection chamber: Designed to facilitate the recovery of purified material.
Internal separating partition: Featuring a 20 mm diameter opening, designed to prevent contact between the sublimated product and the impure material remaining at the bottom of the vessel.
Vacuum connection: Removable vacuum adapter equipped with a glass stopcock.
Standard ground-glass joint: NS 14/20 for the stopcock adapter.
Cooling fluid connections: Hose barbs with an approximate outer diameter of 8 mm, suitable for flexible tubing with an internal diameter of approximately 6 mm.
Demountable construction: Designed to facilitate product recovery, disassembly, and cleaning of individual components.
Apparatus Components
Sublimation head with integrated cold finger.
Lower vessel for the material to be sublimated.
Separate sublimation product collection chamber.
Removable vacuum connection adapter with glass stopcock and NS 14/20 ground-glass joint.
To order
| Code | Description |
| GS/SBM/001 | Glass Sublimator – Complete Configuration – Maximum Loading Capacity: 20 g |
Borosilicate Laboratory Glassware Manufacturing
Scientific blown glassware is manufactured through the hot-working of borosilicate glass, a material particularly suitable for laboratory applications due to its excellent thermal and chemical resistance and its ability to withstand thermal shock.
The forming process involves localized flame heating, controlled rotation of the glass component, and air blowing to achieve precise geometries, uniform wall thickness, and joints with minimal residual stress.
The main manufacturing techniques include glassblowing, stretching, constriction, expansion, joining and fusing glass tubes and components, and the fabrication of standard ground-glass joints, connectors, hose barbs, stopcocks, and specialized fittings.
Particular attention is paid to concentricity, wall thickness uniformity, and the integrity and continuity of fused joints. These characteristics are essential to ensure reliability during heating, vacuum operation, and fluid circulation.
Following fabrication, the glass components undergo a controlled annealing process to relieve internal stresses generated during hot forming.
This treatment enhances mechanical stability and resistance to thermal shock, making the finished glassware suitable for both standard laboratory applications and specialized experimental setups, including custom-designed configurations.