muffle furnace. Cupellation Furnaces -for the assay of precious metals Carbolite Gero cupellation furnaces are designed for testing using the cupellation, or fire assay test, method to ISO 11426:2014, a standard test method used to determine their purity. FUEL SOURCE Electrical Connection is 3 phase with Earth Transformer 24kVa Multi-tap 50-60Hz INTERNAL DIMENSION 560mm deep 590mm wide 195mm high PAIR WITH 50 Place Cupellation Furnace Electric 50 Place Cupellation. Description: These 168-place cupellation furnaces are available with LPG, natural gas, or diesel fuel source options. Silicon Carbide Kiln Furniture. industries@morganplc. Key Benefits Uses a No. The. Our Cupellation furnace range is available in a range of sizes, suitable for a range of cupels. 727E. 2 to 5. Figure 1. Consumable items such as Alpine Cupels, APGreen and Anachemia crucibles, custom made flux, fluxing reagents including borax, soda ash, silica and litharge. YS - Electric 50 Place Cupellation Furnace for Fire Assaying to molten metal Suitable for: small labs 100-400 Samples per day including standards. 0 set. 2 electric PRODUCT SUMMARY The Electric 100 Place Cupellation . Full annealing is the process by which the distorted cold-worked lattice structure is changed back to one that is strain-free through the application of heat. V. 6 cupels: 24, 32 or 72Independent High Limit controller for ultimate safety, with double redundancy fail-safe’s to ensure furnace integrity and prevent furnace run away. 270mj/hr @ 3 kpa. Filter results: Brands. Remove any packing material from inside the furnace before use. 1. Max temp: 1200 °C; Chamber volumes: 10 to 43 litres; Charge capacity of no. Large scale cupellation experiments are entirely based on Agricola’s book, from the construction of the furnace to the conduct of the process. cupellation, separation of gold or silver from impurities by melting the impure metal in a cupel (a flat, porous dish made of a refractory, or high-temperature-resistant, material) and then directing a blast of hot air on it in a special furnace. Automatic & Manual 7 Day timer controls, accommodating any assay schedule. Easy to maintain and operate. ) and Diesel. Supplier: KLEN INTERNATIONAL (74) PTY LTD. 1050 gram of silver. Cupellation - a method of purifying and assaying precious metal. AC three phase kilowatts to amps calculation formula [/h] The current I in amps is equal to 1000 times the power P in kilowatts, divided by square root of 3 times the power factor times the voltage V in volts: I = 1000× P / ( √ 3 × PF × V ) So amps are equal to 1000 times kilowatts divided by square root of 3 times power factor times volts. Operated by foot control. (e) by cupellation. Amp Meter 1 RF373UVA U. Transformer 15kVa Multi-tap 50-60Hz. Key Benefits Uses a No. We offer a wide range of sample drying ovens, cupellation, ashing, calcining and roasting furnaces as well as fused silica and fireclay crucibles, for your foundry. 0‰ karat and 0. 0791 97% Sample 014 Dup 5. Cold ramming paste. Sell. 1200 Degree Electric Cupellation Furnace For Assay The Gold In Laboratory , Find Complete Details about 1200 Degree Electric Cupellation Furnace For Assay The Gold In Laboratory,Electric Cupellation Furnace,1200 Degree Muffle Furnace,Cupel Muffle Furnace from Industrial Furnace Supplier or Manufacturer-Qingdao Yosion Intelligent. In this case the melting and cupellation are done in the same furnace, which is an English-type cupel furnace with oval test, made of a mixture of cement and limestone in the proportion of 75% to 25%. Cupellation Furnace - CF. The plan of operation is to concentrate the precious metal in a button of lead either (1) Fire Assay By fusion in a crucible; or, more rarely, (2) Fire Assay By scorification. Supplier: KLEN INTERNATIONAL (74) PTY LTD. 01272370519Cupellation Furnace Model EMF-C Phone: +61 (0)8 9249 4400 Website: Email: furnace. This is the device converting three phase power current into single phase intermediate frequency current and enabling metal to produce eddy current loss through electromagnetic field induction to achieve heating and melting and is applicable to melting,heating or holding. Contact Supplier. The amount of oil used varies from 4. Internal Dimensions: 200 mm high x 260 mm wide x 460 mm deep. Origin. Globar® SD elements are available in the form of round section rods or tubes, in diameters from 10 mm – 55 mm (0. Carbolite Gero also offers a range of smelting/melting furnaces. Advertise. Configurations of 50 place and 100 place furnaces can be supplied and configured for LPG, natural gas, diesel or electric fuel sources. IndiaMART Member Since Jul 2011. These 168-place cupellation furnaces are available with LPG, natural gas, or diesel fuel source options. 0017 Sample 001 13. IVA e C. Available with natural gas, liquefied petroleum gas, or oil (diesel) fuel source options -Suitable for small labs 100-400 samples per day including standards -Base construction uses high-quality 50 x 50 RHS -Furnace body construction is durable 2mm laser-cut plate -High quality refractory brick and insulation -Bolt holes in base plates of all. UHP Graphite Electrode. All units come with automatic electronic temperature controllers and a 7 day timer. Drawing of a BBOC mounted on its tilting frame. For 2 cups bismuth costs $2. Magnesite cupels that can be supplied packaged for use with either 25 plc or 50 plc. 4 Muffle. Configurations of 50 place and 100 place furnaces can be supplied and configured for LPG, natural gas,. Carbolite Gero also offers a range of smelting/melting furnaces. Egg Electrode Paste. Available with natural gas, liquefied petroleum gas, or oil (diesel) fuel source options. Description: These 168-place cupellation furnace s are available with LPG, natural gas, or diesel fuel source options. Fire-proof glooves made of kevlar: cm. The hearth is constructed from refractory bricks and silicon carbide tiles. The Alsto DP2000 Disc Pulveriser is a simple, robust machine designed for fine grinding of a large variety of sample and ore types. Rubber rolling cloth, 36″x 36″. Established in the year 1980 at Ahmedabad. This process X is called, and it is used to purify the metal that initially contain impurities of the oxide Y. Carbolite Gero cupellation furnaces are designed for testing using the cupellation, or fire assay test, method to ISO 11426:2014, a standard test method used to determine their purity. •Easy to maintain and operate. Abhinav Bharath 4. Working temperature: 1600. Our engineers work closely with our customers to select the right furnace for their needs. Materials produced by FLSmidth to help increase productivity and sustainability in the mining and cement industries. Tam. The furnace features a durable silicon carbide (SiC) muffle, which provides excellent thermal stability, resistance to chemical attack, and efficient heat transfer. The furnaces meet the Hallmarking requirements specified by the Convention on the Control and Marking of Articles of Precious Metals (known also as “Precious Metals Convention. A 3, B 4, C 2, D 1B. Our engineers work closely with our customers to select the right furnace for their needs. Never lift it by its work tube or the surrounding insulation. Feel free to contact us for further quotes. . Also compare specifications and support so you can buy with confidence. . I am looking to replace my ancient muffle furnaces used for cupellation. MFC LPG Cupellation Furnace Thermocouple Sheath (Inner) 250 x 10mm 4 RC102CFE Thermocouple Sheath (Outer) 250 x 15mm 4 RC103CFE U. 50/84 Place Fusion Furnace. Heated length (s): 425 - 600 mm. Electric 100 Place Cupellation Furnace Operation & Maintenance Manual FURNACE & ASSAY —— SUPPLIE S— –– Electrical: 220/380/415/440v Electrical Connection is 3 phase with Earth. Ceramic resistances used in our cupellation furnace. Max temp: 1200 °C. Member Since - 10 years. [1] [2] [3] The process is based on the. 3281 Blank 0. Also use Get Quotes to request offers from other expert suppliers in one easy step. 7 and 8 show a wood-burning muffle-furnace. Once every few months or when the furnace is shut down and cool, vacuum out the furnace and the element grooves. 1152-1145 B. We enable science by offering product choice, services, process excellence and our people make it happen. Write down the reactions taking place in Blast furnace-related to the metallurgy of iron in the temperature range 500-800 K. Operated by foot control. Temperature is monitored and modulated automatically by a Type K thermocouple system and Omron temperature controller, pre-set for a maximum temperature of 1100 degrees Celsius. Load empty cupels and allow furnace to reach again 1050ºC 3. The unit comprises one fixed and one rotating 200mm grinding plate turning on a horizontal axis. Operated by foot control. Was this answer helpful? 0. Also use Get Quotes to request offers from other expert suppliers in one easy step. Width: 920, 925, 1,190 mm. The fire is lighted, a little bone-ash is sprinkled on the floor of the muffle to prevent its corrosion by litharge in case of the upsetting of a cupel, and the cupels introduced as soon as a bright red heat is attained. A crucible furnace dating to 2300–1900 BC for bronze casting has been found at a. sample. Eight firings were con-ducted between April 2007 and July 2009. Description: The DFC Model 802 Electric Cupellation Furnace is the workhorse of the fire assay laboratory. Also use Get Quotes to request offers from other expert suppliers in one easy step. shortly after the discovery ofCupellation furnace is an essential tool in the refining and analysis of precious metals. Key Benefits Uses a No. 39 – 2. P. No. Blister copper is refined by stirring molten impure metal with green logs of wood because such woods liberate gases like CH 4 . Also use Get Quotes to request offers from other expert suppliers in one easy step. Thanks for helping. Over this time, Labec have. Internal Dimensions. Check out our prices. We enable science by offering product choice, services, process excellence and our people make it happen. Laboratory Furnace in Perth & Brisbane Australia for sale - Get Quotes to Compare Price & SpecificationsFacts Setting Standards in Quality and Reliability Experience in Thermal Processing Global Sales and Service Network · Production of laboratory and industrial furnaces since 1947 · Production site in Lilienthal/Bremen - Made in Germany · 500 employees worldwide · 150,000 customers in more than 100 countries · Very wide product range of furnaces ·. Pneumatic rising. 43. The impurities, including lead, copper, tin, and other unwanted metals, are oxidized and partly. VT23-6005-50 Electrical equipment list. Macchinario Cupellation furnaces - FCOPPWorking with metals. The fully ashed sample gives a white ash. Ashing and muffle ovens accurately heat to the selected temperature quickly improving energy efficiency and process times. comAlsto can offer design, supply and installation of all mineral laboratory equipment and services including instrumentation and consumables. Ramesh Singh, in Applied Welding Engineering (Third Edition), 2020. Chlorination. This is a solid-state process and is usually. Maximum temperature: 1,100, 1,200 °C Capacity: 3 l - 40 l Width: 290 mm - 530 mm. It is heated by 12 elements mounted on the side walls. Part NumberLegend Inc. 5 Muffle 300 mm high x 480 mm wide x 580 mm deep. Annual Turnover Upto Rs. Technical Information. Get a Alsto Cupellation Furnace | Electrical (50 place; 100 place & 168 Place) price and specifications from ALSTO. Construction. CUPELLATION SEQUENCE FOR SMALL CUPELS (ISO 11426) CUPELLATION SEQUENCE FOR LARGE CUPELS (ISO 10378) 1. Voltage is customised to destination country of the furnace. Yes, We reduced the charge mass from approx. say. - (50) 50g/65g. industries@morganplc. Muffle Furnace. Qingdao Decent Group cupellation furnace is a kind of fire assay equipment used to detect the content of precious metals, also known as muffle furnace. com FURNACE CASING The furnace casing is made of. 5kw, 3 Phase. PAIR WITH. 50 Lakh - 1 Crore. As our lowest priced. We offer the Mines Assay 3 electric fusion and cupellation furnace, as well as larger gas cupellation and fusion furnaces. Page 17: Contact Details Contact Details FURNACE & ASSAY —— —–– S U P P L I E S 54 Owen Road, Kelmscott, 6111 Western Australia, Australia Phone +61 8 9399 9299 +61 8 9399 9288 Email Info@fandasupplies. It is heated by 12 elements mounted on the side walls. Edit Image Cupels. Carbolite also offers a range of cupellation/fire assay furnaces. The test method produces hazardous vapours. List Price: 190,00 €. VWR offers a wide assortment of products and brands in this category. Browse he Also use Get Quotes to request offers from other expert suppliers in one easy step. The elements extend heater life, especially in corrosive environments. Takes 100 x 6a, 7a, 7as or 72 x 8s Cupels at one time. cupellation temperature. Brand: Zhermack. The silicon carbide heating elements have a maximum power output of 3 kW on each of the 3 heating groups for the FCOPP/A and 4 kW for the FCOPP/B. 50 Place Cupellation. Find a trusted Laboratory Furnace supplier and compare products for sale in Australia. 6 cupels: 24, 32 or 72Independent High Limit controller for ultimate safety, with double redundancy fail-safe’s to ensure furnace integrity and prevent furnace run away. Works with natural gas, liquefied petroleum gas (L. IndiaMART. , Ltd. Since the 20 grams assayed was 1-2oth of the whole, 1-2oth part of the 0. A 4, B 3, C 2, D 1C. Configurations of 50 place and 100 place furnaces can be supplied and configured for LPG, natural gas, diesel or electric fuel sources. 0 piece. When unpacking or moving the furnace always lift it by its base or by both ends of the main body. Import Export Code (IEC) 24000*****50 Place Cupellation. Description: These 168-place cupellation furnaces. com. Takes: 50 x 6a, 7a or 7as Cupels. Contact us today to find out more. Its ability to extract and purify precious metals makes it an important tool for the jewelry, electronics, and mining industries. Briefly, at the first stage (the so-called cupellation stage) pure Ag equivalent to 2. Distillate – Furnace Industries Oil Burner Package 270 mj/hr. Cabinet is 2 mm zinc anneal sheet steel, lined with fire bricks and backed with Superwool. Troubleshooting. 2. Suitable for large labs 400-1200 samples per day including standards. Takes 50 x 6a, 7a, 7as Cupels or 36 x 8s Cupels at one time. Electrical load: 5 AMPS. C. 150 ºC; JM Series C up to 1600ºC (Silicon Carbide Chamber) Side door / Vertical lift door; Let work 24/7 in continuous mode;. The cupels require to be made under high pressure, and should be baked at a high. Construction: Cabinet of 2mm zinc anneal steel sheet lined with insulating fire-brick. • Gas Consumption: 270Mj Per Hr • Operating Pressure: 3. MFD-168 NG Cupellation Furnace Page 1 of 3 17 Montgomery Way, Malaga, Western Australia 6090 T: +61 08 9249 4400 F: +61 08 9249 4308 Email: furnace. 2 cupels 0. Construction. Product Description. Get a Cupellation Furnace | 50 Place price and specifications from Furnace and Assay Supplies. Bolt holes in base plates of all 4 legs for individual adjustment on uneven surfaces. 5125 J. STANDARD 2 50. 4 2 FTUBES04 Parts Packaging & ISPM15. The heating elements allow for continuous operation at 1200°C. Model EMF-D View. Furnace Industries is known for their advanced industrial furnace technology and suitable solutions. Cupels. The Cupellation Furnace with SiC Muffle is a high-performance furnace designed for use in the assaying of precious metals, particularly gold and silver. Suppliers; Advertise with us; Login; Email Marketing; Buyers; Get Quotes; Articles & Ideas. 5 kg. The method to be used depends partly on the composition of the bullion, and partly on the means at the disposal of the operator. Check out our prices. George Matthew Adams. , Ltd. +39. 0575357452 - Fax +39. These 168-place cupellation furnaces are available with LPG, natural gas or diesel fuel source options. Enhanced ventilation & precision horizontal airflow controls, using exhaust damper and air inlets position on door front. With oil at 8½ cents per gal. 7hqghu1xpehu 6hfwlrq 1rwlfh,qylwlqj7hqghu 1,7 $66$< 5()/2$7 630&,/ v7hqghu6,1r 'dwh 6hdohgwhqghuvduhlqylwhgiurpholjleohdqgtxdolilhgwhqghuhuviruvxsso iiroorzlqjjrrgv. Hi-temperature Muffle Furnaces Manufacturers and [email protected] a trusted Laboratory Furnace supplier and compare products for sale in Australia. When used within a suitable fume management system, the cupellation Cupellation. Furnace structure In De re metallica, the cupellation furnace is made of Cupellation Muffle Furnace, 50-Place , Furnace and Assay Supplies. Optional port viewing window, rear extraction unit and hand valve door control extras are also available. We enable science by offering product choice, services, process excellence and our people make it happen. But the roaring sound tells me you have an oxygen rich environment in the furnace and you are losing. Our engineers work closely with our customers to select the right furnace for their needs. and we’ll. At Mechelec, we offer high-quality cupellation furnaces that are designed to deliver reliable and efficient performance. Furnace and Assay service a network of customers worldwide, providing. 1200 Degree Ecf 50 Pf Electric Cupellation Furnace For Fire Assay , Find Complete Details about 1200 Degree Ecf 50 Pf Electric Cupellation Furnace For Fire Assay,Electric Cupellation Furnace,1200 Degree Muffle Furnace,Cupel Muffle Furnace from Industrial Furnace Supplier or Manufacturer-Qingdao Yosion Intelligent Technology Co. 350320). 5. By 53 BC, Rome had expanded to control an immense expanse of the Mediterranean. Reliable resources that drive productivity in cement and mining. 12 yrs CN Supplier . The furnace is mounted on a console fabricated from 2mm zinc anneal sheet and painted in Hammerfin blue enamel. The original charge assayed at approx. Electric Fix Gold Cupellation Furnace Hallmarking. The proficient and optimum quality. Cupellation Furnaces. Also compare specifications and support so you can buy with confidence. 100 place cupellation furnace. 168-Place Cupellation Furnace, Furnace and Assay Supplies. SHIPPING DIMENSIONS ISPM Heat Treated Export Crates. Raise the temperature slowly to 600’C with careful stirring. Key Benefits Uses a No. 01272370519Cupellation Furnace. The button of lead obtained by. The 100 Place Cupellation Furance is suitable for large labs processing between 400 to 1000 samples per day, including standards. The Electric 20 Place Fusion Furnace is . Pneumatic rising. Manufacturer of Muffle Furnace for 900 degree, 1200 degree, 1400 degree and 1800 degree. Optional port viewing window, rear extraction unit and hand valve door control extras are also available. Electrical Requirements. Large scale cupellation experiments are entirely based on Agricola’s book, from the construction of the furnace to the conduct of the process. Supplier: KLEN INTERNATIONAL (74) PTY LTD. Preheat furnace to 900ºC 2. A model of a late 19 th-century Canadian seal used to certify the quality of assayed gold. FUEL SOURCE. 50% MnO and 10% FeS2 and traces of other metals and oxides. (cod. Internal Dimension: Deep : 650mm. The heating speed is very fast by silicon-molybdenum elements. Also use Get Quotes to request offers from other expert suppliers in one easy step. It is a largest B2B market place for all manufacturer and traders. Sparks, Nevada USA 60PF LPG Fusion Furnace [27420-LPG] - Specify Propane (LPG) or Natural Gas (NG) 60PF Fusion Furnace - Capacity of (84) 30g/40g Crucibles. Help. The new FCOPP furnace has a stainless steel structure with insulated walls. Cupels should be 168 x 6A, 7A, or 7AS. GST 27ACBPY3360Q1ZW. The design of the cupellation furnace range ensures protection from the corrosive environment which would damage a conventional furnace. The cupellation furnaces are designed for the cupellation, or fire assay test, of precious metals, which is a standard test method used to determine their purity. Electrical load: 5 Amps. VWR offers a wide assortment of products and brands in this category. Furnace body construction is durable 5mm laser-cut plate. Model MF-D View. Description: These 168-place cupellation furnaces are available with LPG, natural gas, or diesel fuel source options. To AVOID FIRE, do not place combustible materials where exposed to heat from open door. QINGDAO DECENT GROUP consists of Decent Group Limited, Qingdao Decent Electromechanical Tech Co. . com. silicon carbide heating elements with access through side panels for easy replacement. The CF cupellation furnaces are designed for the cupellation, or fire assay test, of precious metals, which is a standard test method used to determine their purity. We accept OEM custom products all made in China. Allow temperature to reach 1050ºC again : 1. Laboratory Furnace in Perth & Unspecified Australia for sale - Get Quotes to Compare Price & SpecificationsFurnace Tile, 560 x 470 x 22mm (Suit No. Electrical Requirements. 00 - $14,000. 5Kpa Max Inlet: 7Kpa Dimension Size L*W*H = 860* 990* 1700mm Temperature 1,110 C 100 Place Cupellation Furnace, Natural Gas - 240v, FAS-170-NG Laboratory Furnaces ** 168 Place Fusion Furnace ( larger model available )Find a trusted Laboratory Furnace supplier and compare products for sale in Australia. com +8618570071584. Cupellation Furnace. , Ltd. Description: These 50/84-place fusion furnaces are available with LPG, natural gas, or. Hi-temperature Muffle Furnaces Manufacturers and Factory. Takes 50 x 6a, 7a, 7as Cupels or 36 x 8s Cupels at one time. Takes 50 x 6a, 7a, 7as Cupels or 36 x 8s Cupels at one time. Takes 50 x 6a, 7a, 7as cupels or 36 x 8s cupels at one time. Cupels should be 168 x. Cupellation Furnace | 50 Place Cupellation Furnace | 168 Place Cupellation Furnace | Electric 100 Place Fusion Furnace | 25 Place Fusion Furnace | 50 Place Fusion Furnace | Electric 20 PlaceFind a trusted Laboratory Furnace supplier and compare products for sale in Australia. the cost per assay for fuel is 2. Scribd is the world's largest social reading and publishing site. Get Gold Melting Machine at lowest price | ID: 2850545989873. Supplier: KLEN INTERNATIONAL (74) PTY LTD. Mar 12, 2009 #1. Electronic. Saudi Cupel Used for Cupellation Furnace 7as. The HVAC technician would have to disassemble the whole system, remove the heat exchanger, and then reassemble the furnace. Bolt holes in base plates of all 4 legs for individual adjustment on uneven surfaces. 5 kg. Description. #7. Shopping Sell. FAS-170-NG2-100 Place Cupellation Muffle Furnace, Natural Gas - 100-Place Cupellation Muffle Furnace, Furnace and Assay Supplies - Each: Amazon. Also compare specifications and support so you can buy with confidence. Solid construction, durable features, and dependable, continuous operation have allowed it to become the criterion for. Our Cupellation furnace range is available in a range of sizes, suitable for a range of cupels. CONTACT. 60 and lead $. 3 yrs. Cupellation belongs properly to the metallurgy of silver and lead, and need not be dealt with here. Cupellation furnaces are capable of heating maximum up to 1200°C, while the working temperature is 1100°C. EMF-C Cupellation Furnace Thermocouple Sheath (Outer) 250 x 15mm 4 RC103CFE Timer, Panasonic TB53 1 RCALTB53 Vent Tube No. They are self-supporting, which enables them to be used in furnaces and kilns that are too wide or too long to be spanned by metallic or MoSi2 heating elements. Electric 100 Place Cupellation Furnace Operation & Maintenance Manual FURNACE & ASSAY —— SUPPLIE S— –– Electrical: 220/380/415/440v Electrical Connection is 3 phase with Earth. The brightest thunder-bolt is elicited from the darkest storm. (See, however, Tavener’s process, p. , Ltd. Back to Products » Fire Assay Products. Alsto Fusion Furnace | Electrical Electrical (20/28 place; 25/36 place & 25/42 Place depending on crucib. Maximum Temparature-1200 O c. • Ang electric oven ng kubo ay naka-mount sa isang console na gawa-gawa mula sa 2mm laser cut plate na may asul na enamel. With that said, we’ve drawn up a list of all the. Pit-type furnace S 73/HS is especially designed for crucible melting. This reaction has to take place in a part-closed or closed container otherwise the zinc vapor would escape before it can react with the copper. Floor Furnace Factory - Select 2023 high quality Floor Furnace Factory products in best price from certified Chinese Heating Furnace manufacturers, Temperature Furnace suppliers, wholesalers and factory on Made-in-China. Description: These 50/84-place fusion furnaces are available with LPG, natural gas, or. 📍 #115-1647. Opening of the cupel – At the beginning of cupellation when the surface of the lead oxide melts. Restoring the lattice structure of metal after cold-work—Annealing. Electric Fix Gold Cupellation Furnace Hallmarking. We enable science by offering product choice, services, process excellence and our people make it happen. Refining Precious Metals by Cupellation Ring of Ramesses IV, ca. 0 0. Then wash with warm DM water and allow to dry on a hot plate for 8 min, low heat, and again anneal in a annealing furnace, 700 degree, for 5 minute. Complete set of left and right electric connections for singlephase assay furnace FIOA 5. 2¼” x 3½”Jaw Crusher. Model MF-D View. Cress furnaces are hard to beat for smaller cupellation furnaces. Morganite Cruicble India Ltd. 0950 104% 50 ppm Standard 2 45. 50 Lakh - 1 Crore. Ÿ Side way sliding door keeps heated surface away from the users. Learn more about Furnaces (Ashing and Muffle Ovens). Muffle furnace chamber working size: length 195mmx thickness 560mm x high 590mm 3. Later down the line, in 1966, investigations for the heavy-metals programs – particularly those concerned with gold and other noble metals – encouraged.