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Features & Details
| ❄️ HIGH-EFFICIENCY COLD FINGER | Circulating coolant finger provides high condensing surface area directly above sublimation sample, maximizing crystal yield. |
| 🛡️ GREASE-FREE PTFE VALVE | High-vacuum PTFE stopcock ensures tight vacuum retention without hydrocarbon stopcock grease contaminating purified compounds. |
| 🧪 BORO 3.3 GLASSWARE | Fabricated from heavy-wall 3.3 borosilicate glass with low thermal expansion coefficient (3.3×10⁻⁶/K) to resist high vacuum stress. |
| 📦 25ML TO 1000ML CAPACITY | Available across microscale research (25ml, 50ml, 100ml) and preparative synthesis volumes (250ml, 500ml, 1000ml). |
About this item
Technical Specifications
| SKU Model | Capacity | Joint Specification | Stopcock Material |
|---|---|---|---|
| Purification device-25ml-24# | 25ml | 24# | PTFE (Grease-free) |
| Purification device-50ml-24# | 50ml | 24# | |
| Purification device-50ml-29# | 50ml | 29# | |
| Purification device-100ml-24# | 100ml | 24# | |
| Purification device-100ml-29# | 100ml | 29# | |
| Purification device-250ml-24# | 250ml | 24# | |
| Purification device-250ml-29# | 250ml | 29# | |
| Purification device-250ml-34# | 250ml | 34# | |
| Purification device-500ml-24# | 500ml | 24# | |
| Purification device-500ml-29# | 500ml | 29# | |
| Purification device-500ml-34# | 500ml | 34# | |
| Purification device-1000ml-24# | 1000ml | 24# | |
| Purification device-1000ml-29# | 1000ml | 29# | |
| Purification device-1000ml-40# | 1000ml | 40# |
Organic Solid Purification & Recrystallization
Xin Tester Glass Sublimation Apparatus with PTFE Stopcock
Separating volatile organic compounds from non-volatile tars and side products requires precise vacuum thermostatic control. The Xin Tester glass sublimation apparatus integrates an internal cooling cold finger with an o-ring sealed vacuum connection, allowing solid-to-gas-to-solid phase purification under reduced pressure. Check out our comprehensive glassware lines in the Lab Glassware collection.
Contamination-Free Cold Finger
Equipped with barbed glass inlet and outlet hose nipples for continuous ice-water or chiller circulation. Condensing compounds deposit directly as high-purity crystalline sheets along the outer finger wall for convenient mechanical harvesting.
Grease-Free O-Ring Joint
Traditional ground-glass joints require vacuum grease that dissolves into hot organic vapors. Our design incorporates fluoroelastomer O-rings and an external screw clamp, maintaining high vacuum integrity without introducing grease impurities.
Heating & Vacuum Recommendation
For uniform sublimation heating, pair the bottom vessel with an oil bath or heating mantle. Apply vacuum steadily using an oil-free laboratory diaphragm pump.
Recommended companion hardware:
Lab Vacuum Pump |
Lab Water Bath & Oil Bath
FAQs
Why is the "Xin Tester Glass Sublimation Apparatus" better than traditional crystallization?
Sublimation allows you to skip the solvent-based crystallization step, which often traps impurities. Our sublimation apparatus provides a high-vacuum environment that produces ultra-pure crystals directly from the solid phase, significantly reducing contamination and solvent waste.
Does this micro-sublimation apparatus require stopcock grease?
No. Thanks to the integrated PTFE stopcock, the device provides a hermetic vacuum seal without any grease. This is a critical feature for micro-purification, as it prevents grease vapors from contaminating your high-purity samples.
What joint sizes are available for the Xin Tester sublimation device?
We offer a variety of standard frosted joint sizes, including 24#, 29#, 34#, and 40#, dep
How do I prevent the glass from cracking during the heating process?
Our apparatus is made of Boro 3.3 glass, which has a very low thermal expansion coefficient. However, we recommend gradual heating using a sand bath or oil bath to ensure uniform temperature distribution, which further protects the glassware and ensures steady sublimation.
Xin Tester Glass Sublimation Apparatus (25ml-1000ml), Micro Sublimator with Grease-Free PTFE Stopcock
Price range: $27.55 through $57.24
6–12 Month Warranty
Repair & Refund support available for most products.
Free Worldwide Shipping
Ships within 3 business days.
Taxes & Duties
Buyer responsible for local import fees.
24/7 After-Sales Support
Technical assistance & video guidance within 24h.
Xin Tester Glass Sublimation Apparatus (25ml-1000ml), Micro Sublimator with Grease-Free PTFE Stopcock
Sale!
Price range: $27.55 through $57.24
Features & Details
| ❄️ HIGH-EFFICIENCY COLD FINGER | Circulating coolant finger provides high condensing surface area directly above sublimation sample, maximizing crystal yield. |
| 🛡️ GREASE-FREE PTFE VALVE | High-vacuum PTFE stopcock ensures tight vacuum retention without hydrocarbon stopcock grease contaminating purified compounds. |
| 🧪 BORO 3.3 GLASSWARE | Fabricated from heavy-wall 3.3 borosilicate glass with low thermal expansion coefficient (3.3×10⁻⁶/K) to resist high vacuum stress. |
| 📦 25ML TO 1000ML CAPACITY | Available across microscale research (25ml, 50ml, 100ml) and preparative synthesis volumes (250ml, 500ml, 1000ml). |
Technical Specifications
| SKU Model | Capacity | Joint Specification | Stopcock Material |
|---|---|---|---|
| Purification device-25ml-24# | 25ml | 24# | PTFE (Grease-free) |
| Purification device-50ml-24# | 50ml | 24# | |
| Purification device-50ml-29# | 50ml | 29# | |
| Purification device-100ml-24# | 100ml | 24# | |
| Purification device-100ml-29# | 100ml | 29# | |
| Purification device-250ml-24# | 250ml | 24# | |
| Purification device-250ml-29# | 250ml | 29# | |
| Purification device-250ml-34# | 250ml | 34# | |
| Purification device-500ml-24# | 500ml | 24# | |
| Purification device-500ml-29# | 500ml | 29# | |
| Purification device-500ml-34# | 500ml | 34# | |
| Purification device-1000ml-24# | 1000ml | 24# | |
| Purification device-1000ml-29# | 1000ml | 29# | |
| Purification device-1000ml-40# | 1000ml | 40# |
Organic Solid Purification & Recrystallization
Xin Tester Glass Sublimation Apparatus with PTFE Stopcock
Separating volatile organic compounds from non-volatile tars and side products requires precise vacuum thermostatic control. The Xin Tester glass sublimation apparatus integrates an internal cooling cold finger with an o-ring sealed vacuum connection, allowing solid-to-gas-to-solid phase purification under reduced pressure. Check out our comprehensive glassware lines in the Lab Glassware collection.
Contamination-Free Cold Finger
Equipped with barbed glass inlet and outlet hose nipples for continuous ice-water or chiller circulation. Condensing compounds deposit directly as high-purity crystalline sheets along the outer finger wall for convenient mechanical harvesting.
Grease-Free O-Ring Joint
Traditional ground-glass joints require vacuum grease that dissolves into hot organic vapors. Our design incorporates fluoroelastomer O-rings and an external screw clamp, maintaining high vacuum integrity without introducing grease impurities.
Heating & Vacuum Recommendation
For uniform sublimation heating, pair the bottom vessel with an oil bath or heating mantle. Apply vacuum steadily using an oil-free laboratory diaphragm pump.
Recommended companion hardware: Lab Vacuum Pump | Lab Water Bath & Oil Bath
Customer Reviews
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