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Crucible Retort Ring
Crucible Retort Ring (Product Code: SLE/LR/16) is a three-point crucible clamp used to hold a crucible securely over a gas flame while substances are heated or ignited in chemistry and materials labs. Its 18/10 stainless steel ring carries three adjustable ceramic Degussit clamping rods, rated to max. 2030 °C, that grip crucibles from 0 to 70 mm, including platinum crucibles. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, a chemistry lab instruments supplier to schools, colleges and research labs.
Specifications
| Parameter | Detail |
|---|---|
| Type | 3-point clamp ring for crucibles |
| Design | Ring with 3 guide sleeves pointing to the centre; the clamping rods inside the sleeves can be screwed in and out |
| Crucible size range | 0–70 mm, set by hand |
| Suitable crucibles | Standard crucibles, also platinum crucibles |
| Ring material | 18/10 stainless steel |
| Clamping rods | Ceramic, Degussit (max. 2030 °C) |
| Mounting | On support stands or tripods |
| Product code | SLE/LR/16 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Crucible Retort Ring Used For?
Heating a crucible strongly, whether to ignite a precipitate in gravimetric analysis, find ash or moisture content, or bring a sample to constant mass, needs a support that holds the crucible steady without shading it from the flame. The three ceramic rods touch the crucible at just three points, so most of its surface is exposed to the heat, and ceramic will not react with or mark a platinum crucible the way bare metal can.
Mounted on a support stand, the ring lets you raise or lower the crucible to set the gap between the gas flame and the crucible bottom; on a tripod it gives a fixed working height. Set the rods by hand to the crucible before lighting the burner, let everything cool before adjusting again, and lift hot crucibles only with tongs.
What to Specify When Ordering
- The crucible sizes you will use, within the 0–70 mm range.
- Whether the ring will be mounted on a support stand or a tripod.
- The number of rings required.
- Whether crucibles or crucible tongs should be quoted as well.
Supplier
Jain Scientific Equipments Private Limited, which trades as ScienceLab, supplies the Crucible Retort Ring from Ambala, Haryana, to schools, colleges, research laboratories and dealers in India and international markets. The company sources the item for buyers who want it on the same order as their other stands, burners and crucible ware.
For availability and pricing, ask us with your quantity. Company details are on the ScienceLab profile.
Related Stand Bases, Rods and Rings
Items used with a crucible ring during heating and ignition:
- Crucible with lid — the vessel held in the ring.
- Crucible Tong — for lifting the crucible once it has been heated.
- Bunsen Burner — the gas flame beneath the crucible.
- Retort Stand — a support stand for adjusting the height above the flame.
- Tripods — for a fixed-height set-up.
More supports are listed in the Stand Bases, Rods and Rings category.
Frequently Asked Questions
What crucible sizes does the Crucible Retort Ring hold?
The Crucible Retort Ring holds crucibles from 0 to 70 mm. The three clamping rods are set by hand to the size of the crucible in use, so one ring can serve several crucible sizes.
Can the Crucible Retort Ring be used with platinum crucibles?
Yes. The Crucible Retort Ring also fits platinum crucibles. Its ceramic clamping rods hold the crucible at three points, which avoids bare metal contact with the platinum during heating.
What temperature can the clamping rods withstand?
The Crucible Retort Ring uses ceramic Degussit clamping rods rated to a maximum of 2030 °C. The ring itself is 18/10 stainless steel; for use near the limits of your flame, ask us before ordering.
How is the Crucible Retort Ring mounted?
The Crucible Retort Ring is used with support stands or tripods. On a support stand, the distance between the gas flame and the crucible bottom can be adjusted; on a tripod, the working height is fixed.
Who supplies the Crucible Retort Ring?
The Crucible Retort Ring is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India, to institutions and dealers in India and international markets. Enquiries go through the contact page.
What should a Crucible Retort Ring enquiry include?
A Crucible Retort Ring enquiry should state the quantity, the crucible sizes you use, whether you mount on a stand or tripod, any crucibles or tongs needed, and the delivery location.
Request a Quote
Request a quotation through the contact page or add the Crucible Retort Ring to the enquiry cart.
Last updated: 24 September 2026
