| Category | Muffle Furnace |
| Model | Gold Refining 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) | 450 × 450 × 885 |
| Outer Body (MM) | 860.0 × 1050.0 × 1170.0 |
| Chamber Volume | 179.2 Litres |
| Volume (cu.ft) | 38 ft³ |
| Power Load | 24.31 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 319.41 kg |
| Chamber Shape | Square |
This furnace is part of a system used to purify gold, separating it from other metals and impurities. Operating at temperatures around 1100°C, it facilitates chemical reactions like chlorination or the Miller process. The working principle involves melting the impure gold with specific fluxes or bubbling chlorine gas through the melt, causing impurities to form a slag or fume off. Its purpose is to produce high-purity (99.9%+) gold from scrap, ore, or doré. It is central to precious metal refineries and recycling operations.
This configuration is suitable when the sample load must fit a 450 × 450 × 885 MM chamber with usable chamber volume of 179.2 litre, approximate power load of 23.6 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: 450 × 450 × 885 MM, 45 × 45 × 89 CM and 18 × 18 × 35 INCH. Buyers searching for 1200 Degree Celsius Gold Refining Furnace 450 × 450 × 885 MM chamber; 1200°C Gold Refining Furnace 450 × 450 × 885 MM; 1200 Degree Celsius Gold Refining Furnace 45 × 45 × 89 CM chamber; 1200°C Gold Refining Furnace 45 × 45 × 89 CM; 1200 Degree Celsius Gold Refining Furnace 18 × 18 × 35 INCH chamber; 1200°C Gold Refining Furnace 18 × 18 × 35 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Trutherm manufactures 1200 Degree Celsius (1200°C) Gold Refining Furnace 450 × 450 × 885 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.
Routine QC and teaching labs value a muffle furnace precisely because one unit can cover several standard test methods without dedicated process-specific tooling.
Uniform chamber heating and a simple door-loading design make a muffle furnace straightforward to standardise across multiple operators and shifts.
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.