| Category | Muffle Furnace |
| Model | Gold Smelting Furnace |
| Max Temperature | 1200°C (2192°F) |
| Working Temperature | 1100°C |
| Thermocouple Type | S (Platinum-10% Rhodium) |
| Thermocouple Details | 0 to +1450°C range, High purity alumina insulation, Platinum sheath, 6mm diameter, Type S, Tolerance Class 2 |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | Superior cyclic performance, FeCrAl alloy with rare earth elements, Max temp: 1425°C |
| Chamber (MM) | 225 x 225 x 450 |
| Outer Body (MM) | 640.0 x 825.0 x 730.0 |
| Chamber Volume | 22.8 Litres |
| Volume (cu.ft) | 13.8 ft³ |
| Power Load | 10.59 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 115.12 kg |
| Chamber Shape | Square |
This high-temperature furnace (around 1200°C) is used to smelt gold ores or concentrates, separating elemental gold from the rocky matrix. The working principle involves mixing the ore with fluxes and a reducing agent (like coke) and melting it in a crucible or small blast furnace. The dense molten gold sinks to the bottom, while lighter impurities form a slag on top. Its purpose is the primary extraction of gold from mined rock on a small to medium scale, often used by mining cooperatives or in remote locations.
Trutherm manufactures 1200 Degree Celsius (°C) Gold Smelting Furnace 225 x 225 x 450 MM Chamber for buyers who search by exact machine type, chamber size and 1200°C temperature rating. This page is specific to the MM dimension version, so the chamber size is presented in the unit normally used in the buyer's drawing, tender or purchase request.
This configuration is suitable when the sample load must fit a 225 x 225 x 450 MM chamber with usable chamber volume of 22.8 litre, approximate power load of 10.2 kW, square chamber profile. It is commonly selected for laboratory, QC, metallurgical, ceramic, pharmaceutical and industrial heat-treatment work requiring stable heating and repeatable process conditions. Typical use includes general laboratory and industrial heat-treatment applications requiring stable, repeatable temperature control.
Equivalent chamber references: 225 x 225 x 450 MM, 23 x 23 x 45 CM and 9 x 9 x 18 INCH. Buyers searching for 1200 Degree Celsius Gold Smelting Furnace 225 x 225 x 450 MM chamber; 1200°C Gold Smelting Furnace 225 x 225 x 450 MM; 1200 Degree Celsius Gold Smelting Furnace 23 x 23 x 45 CM chamber; 1200°C Gold Smelting Furnace 23 x 23 x 45 CM; 1200 Degree Celsius Gold Smelting Furnace 9 x 9 x 18 INCH chamber; 1200°C Gold Smelting Furnace 9 x 9 x 18 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Because muffle furnaces are used across ashing, drying, calcination and light heat-treatment, the chamber and controller are specified for flexibility rather than one narrow process window.
Routine QC and teaching labs value a muffle furnace precisely because one unit can cover several standard test methods without dedicated process-specific tooling.
As a general-purpose muffle furnace, this model covers a broader range of routine heating tasks than a process-specific ashing, tube or sintering furnace, making it the practical default when the lab runs mixed sample types rather than one dedicated process.