Complete set of left and right electric connections for singlephase assay furnace FIOA 5. In the nickel sulphide fire assay, nickel and sulphur. Order Now. In Bagby the answer was to pull the biggest block you could and then spend the next year slicing the block with custom large chain driven traveling circular diamond saws. The Fire assay fusion chamber furnace is a kind of equipment used to melt crushed ore. The coverage of the theory of fire assaying has made the book popular as a school text. This fire assay cupellation furnace is specifically designed and developed for precious metals analysis ("Gold fire assay analysis") . Weight: 350 lbs: Dimensions: 48 × 40 × 24 in: Reviews There are no reviews yet. Legend Inc. 2 cents to 2. 0% (m/m of theOur standard range includes a selection of pottery kilns and glass kilns, fire assay and gold room furnaces, ovens and accessories and laboratory and industrial heat treatment equipment including batch processing and drying ovens. For over 3000 years, due to its accuracy in fire assay the content of gold, this method is still the most important test method. Element dimensions: 920mm long, 25mm diameter. The fire test method is an ancient and legendary method. Made from Fused Silica and Fireclay, our crucibles are the best choice for use in the fusion of gold/silver bearing ores due to their high erosion resistance allowing them to be used. L. ORDER. Origin. 5/6 PF Crucible Tongs /25/50 PF Cupel Fork / Pouring Trolley for Fire Assay, Find Details and Price about Fire Assay Tool Fire Assay from 5/6 PF Crucible Tongs /25/50 PF Cupel Fork / Pouring Trolley for Fire Assay - Qingdao Yosion Intelligent Technology Co. The price of the furnace above is $25. Fire Assay Crucibles. DNK had no frame unless. Process Control. Furnace Technologies can supply everything required to undertake the fire assay process and stock your laboratory. . began business in 1953 with the introduction of the Sepor “Microsplitter” , a Jones-type Riffle splitter, developed by geologist Oreste “Ernie” Alessio for his own use in the lab. Dimensions: Customized. Not to mention a lot of algorithmic approaches in science and engineering which have been developed to reduce noise for other devices that could be employed as well. Grade and inspect pots using established criteria prior to storage for re-use. The cupels are done when they are done - i. 1000000 PCS/Year. customized. A milligram (0. , Ltd. james@zen-ceramic. Read customer reviews & find best. Can also be used for the low temperature vacuum heat treatment of the material. We enable science by offering product choice, services, process excellence and our people. Internal Dimensions. Furnace & Assay Supplies has an experienced team specialising in manufacturing, servicing and administration. Aluminized Hood with Gold Face Shield. Heavy equipment, XRF, fire assay furnace, range of sensors. Supplier: KLEN INTERNATIONAL (74) PTY LTD. Our bone ash cupels are offered in both tapered and straight-sided shapes. Yosion specializes in producing electronic fire assay laboratory cupellation furnace, ashing furnaces and electronic crucible fusion furnace, and sales of accessories, such as: high-temperature Furnace Muffle,Furnace Tile, Furnace Brick. We enable science by offering product choice, services, process excellence and our people make it happen. 1. Morgan’s gold assay furnaces, crucibles and cupels are an excellent choice for both exploration multi-sample testing, to determine a mine’s potential and for quality control grade tests, to. Designed to assist fire assayers to. 1 automatic system to maintain the t°during the night. H. (cod. The upper part of the cabinet is made of high-quality. This process involves melting a gold-bearing sample in a clay crucible with a mixture of fluxes (such as…. China. 3. A model of a late 19 th -century Canadian ( Yukon) seal used to certify the quality of assayed gold. •Anneal the flattered button to red heat at 700ºC forSearch Thousands of Catalogs for Clay Graphite Crucible. 5. 4 = 10. 01% and 1. Fire Assay Tools Crucibles • The 25 place laboratory crucible fusion furnace can be connected with a 50 place cupellation furnace • Safety goggles, thermal insulation clothing, and gloves must be worn during the fire assay and testing process • Fire assay fusion chamber furnace can be customized according to customer needs [ Product Video ] • Customized according to customer needs [ The Process of Cupellation ] Cupellation is the second step of the fire assay process. The Original “Beginners Fire Assay Kit” crating $70. MLS supplies both standard and custom made furnace hoods for fusion and cupellation furnaces and cupel cooling racks to suit your existing or new fume extraction system. Assay Furnaces must not be used indoors – unless under a ventilated metal hood. The object of the Fire Assay Fusion is to concentrate the precious metals in a button of lead, while the whole of the remainder of the ore forms a fusible slag with suitable fluxes, in which lead sinks. 2. Optional port viewing window, rear extraction unit and hand valve door control extras are also available. CY-1100X-SV-LD is a CE certified compact crucible melting furnace designed for melting noble metals, such as Al, Au,Li, In, L i, Mg etc. 1 carborundum muffle, internal size 170x225x105h mm; 6 silite rods. S. 2. Supplier: A. C. Qingdao Decent Group's crucible tumbler is a new type of forward and reverse rotating mixing equipment. 00, ships LTL freight only. . Fire Assay Laboratory Crucible Oven, Find Details and Price about Furnace Fire Assay Laboratory Equipment from Fire Assay Laboratory Crucible Oven - Qingdao Yosion Intelligent Technology Co. This fire assay cupellation furnace is specifically design and develope for the domestic precious metals analysis ("Gold fire assay analysis") . Request Pricing & Info. The inclusion of fused silica in the mix enhances the. Catalytic and Thermal Post Combustion Systems, Exhaust Gas Washer. China Fire Price Furnace manufacturers - Select 2023 high quality Fire Price Furnace products in best price from certified Chinese Fire Equipment, If Furnace suppliers, wholesalers and factory on Made-in-China. 5. C-1006 Parts; C601-401 Parts; C-136 Parts;. The fire assay method of determining the amount of precious metal in a rock was developed in ancient times (Haffty, J. Yosion specializes in producing electronic fire assay laboratory cupellation furnace, ashing furnaces and electronic crucible fusion furnace, and sales of accessories, such as: high-temperature Furnace Muffle,Furnace Tile, Furnace Brick,Silicon Carbide Heater,Bone Ash Powder,MABORITE and LithargeNickel Sulphide Collection Fire Assay. The test method produces hazardous vapours. Quantification of gold in geological samples using fire-assay technique is a well-established and recommended method worldwide. It is a method gold refiners have used for thousands of years. 2. F urnace and Assay Supplies Pty Ltd was established in 2007 with a goal to create a fire assay equipment manufacturing company with an unparalleled focus on quality and customer service. It originated from the custom of the old assayers of adding silver until the gold was one-quarter of the whole. Gold fire assaying, or cupellation, is a method of determining the purity of a piece of gold alloy or ore. Hot face of 70% alumina fire-brick backed with insulating fire-brick. #manufacturing #fireassay For…Product Description. This problem most often occurs due toFire assaying equipment guaranteed to perform. Optional port viewing window in door. Yosion. The Mine Assay MAS-3 fire assay furnace, formerly known as “Williams & Wilson,” is well known in the mining industry all across North America, as well as in other locations worldwide. Shipping Weight: 175lbs. Well done~Come on! 👏 👏 👏 We have the manufacturing experience for 10 years. Customized : Customized; Condition : New; Power Source. Product Description: Manual Pot Loader, Manual Crucible Loader, Manual Crucible Pot Forklift • 25 place/50 place one-time pots loading capacity, saving time and increase efficiency. Gold Melting Crucible for Lab Muffle Furnace Fire Assay Crucibles . 793. The pyro-metallurgical recovery of gold from precious metal ores has been practised for over two. With the guidance and continued. The original large Minelab 7 pin connector threaded ring should be almost flush with the bulkhead when the plug is completely seated. - (50) 50g/65g. Heavy equipment, XRF, fire assay furnace, range. thermal shock cupellation for fire resistance testing. Headgear is ratchet adjustable and comfortable. The fireclay pot is then broken to free the copper button and any adhering slag is removed by tapping. 2. Become a skilled and competent assayer in B. 1 Set (MOQ)Fire Assay Multi-Load and Multi-Pour Tools for PF25 PF50 PF84 Fusion Furnace, Find Details and Price about Fire Assay Tool Fire Assay from Fire Assay Multi-Load and Multi-Pour Tools for PF25 PF50 PF84 Fusion Furnace - Qingdao Yosion Intelligent Technology Co. Fire assay is considered the most reliable method for accurately determining the content of gold, silver, and platinum-group metals (except osmium and ruthenium) in ores or concentrates. D. MERV stands for minimum efficiency reporting value, and the higher it is,. level of service and reputation that the Furnace & Assay brand was built on remains the same. Our products are used for processes such as smelting, fire assay, laboratory and industrial heat treatment, batch processing, sample drying and ceramics firing including glass and pottery. Heating Treatment Pyrolysis Box Fire Assay Furnace with. Furnace and Assay understand that in an industry. 00 or of furnace, burner, 7½- gallon gasoline tank and pump, is $48. Raj K. , Ltd. China Fire Assay Tool Crucible Pot Tong for Fusion Furnace Loading,. Home / Drying Ovens & Fire Assay. High quality refractory brick and insulation. The sample is then heated in a furnace at about 1000 degrees. VWR offers a wide assortment of. To test the content of precious metals in minerals and metal products determined by melting and roasting. China Silicon Carbide Heating Element Furnace manufacturers - Select 2023 high quality Silicon Carbide Heating Element Furnace products in best price from certified Chinese Wear Plate, Titanium Tungsten suppliers, wholesalers and factory on Made-in-China. Available with. 4. . Menu Item; 1-4kg Platinum Melting Furnace Menu Toggle. We use operational excellence to deliver solutions that enable research, testing, production, and commercialization across the globe. verb. Sparks, Nevada USA : Fire Assay Fluxes - Assay Supplies Sample Bags & Envelopes Geology Supplies Bottles, Buckets & Drums Specials Sieves, Screens & Shakers Used Equipment Books ecommerce, open source, shop, online. , Ltd. This allows the end user two. Tel. It includes primary chemistries, fusion, reduction, cupellation, oxidation, and parting. The most common unit of fire assay samples is called the Assay Ton, which is 29. 5-50 samples can be mixed at the same time. ] Coming soon. J. Item: 19373G. pdf - Free ebook download as PDF File (. For more information on our Fire Assay Cupels, please contact your local VWR/Anachemia Anachemia Sales. Not only a manufacturer, Furnace and Assay lead the industry with their Technical and Maintenance services. Manually Operated Door Vent and Chamber Roof Vent Ensure Adequate Airflow Through. Manual Pot Loader. 98. One uses this combination to fuse the fluxing agents and to isolate the precious metals. The Deluxe 8″ Golden Kit is the first, ultra quiet, sectional propane gas fired metal & gold smelting furnace that can smelt ore concentrates, fire assay, melt pure metals, old jewelry. 793. 16 yrs CN Supplier . Ceramic & Refractory, Fire Assay Supplies, Laboratory Consumables, Chemicals, Mining Supplies, Lab Equipment. Although classical aqua regia digestion for. During fire assay, the assay furnace will reach more than 1000°C. , Ltd. Customized: Material: Steel: Transport Package: Export Packing,assay,fire,tool,. 166 grams of ore. The crucible tumbler is mainly used for batch mixing of fire assay mineral samples and fluxes. The objective of this research is to compare the analyse results. While the majority of our furnaces, kilns and ovens are. 42 x 30, 40 or 55 grams crucibles. The fire assay method is generally divided into three. Reactivity is measured with a droplet of nitric acid on the sample which will indicate which flux amendment to add. Fire Assay Furnace & Parts Crucibles . Fire Assay/Cupellation Furnaces up to 1300 °C. Our 40,000-square foot facility has 25 custom-designed incinerators and a dedicated melt room capable of handling both. Customized system; CPU: 1G ; system memory: 1G ; extended stored maximum support 32G ; standard 4G for mass storage data. The fire assay crucible is a necessary vessel in the process of analyzing precious metals by fire assay. 00. Cupels should be 168 x 6A, 7A, or 7AS. Type R Thermocouple (high limit) Item: 266149. 5ppb in the litharge component of the flux, making it. Description. Gateway CRUCIBLE is one of the world’s leading supplier of fire assay crucibles supplying mining laboratories worldwide. . One site produces high quality, custom-designed furnaces while the other specializes in producing crucibles and cupels on a high speed production line. Or, you can just put a small sheet of 1/2" steel on a concrete floor, but it's not nearly as handy. 888. Supplier: Avantor. 1. * Presentation created by Gerald Chik The crucible is then place in a fire assay furnace at ~1000oC for a set period of time. Application: Industry, School, Lab Customized: Customized Certification: ISO Structure: Floor Material: Stainless Steel Type: Crucible Melting FurnaceAccurate determination of platinum group metals (PGMs) and gold (Au) has always proven to be a difficult task, due to their low concentrations in platiniferous ores. ”. MAS-3 Furnaces, Anachemia. Facts 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 ·. Double refined. 5-50 samples can be mixed at the same time. For more information on our Fire Assay Cupels, please contact your local VWR/Anachemia Anachemia Sales. Cross reference numbers: C02016003, RR 36-14-1. Mould Cover and Pouring Trolley with Mould can be customized according to customers' requirements and needs. , Ltd. The fire assay process is still the most accurate and precise method for measuring the gold content in gold alloys. Furnace Crucible Cupel . Vent tube height 1160mm. The cupels are removed from the furnace, allowed to cool and the gold bead is weighed. Power and Control Accessories Wired in Base Of the Fire Assay Furnace. We also sell related consumables and accessories, main components and refractory products. 1-32. Commercial mineral exploration. These crucibles combine a high mechanical strength and erosion resistance with an ability to withstand severe thermal shocks from the assay furnace. , Ltd. a small porous bowl made of bone ash in which gold and silver are recovered from a lead button during assaying. 🏭🔬 Elevate your fire assay processes with our exceptional products. : SX-4-10FC; SX-4-10FC; SX-12-10FC Customized: Customized Condition: New Power Source: Electric Automatic Grade: Semi-Automatic Type: Fire Assay and Cupellation FurnaceThe purpose of using lead oxide in the fire assay is to collect gold and silver, and the added lead oxide is quantitatively reduced to lead. “Fire Assay remains the most accurate technique for gold assay” World Gold Council London, England. It can do it all and in larger quantities. Product Introduction. Then use pot tong to get fusion samples out of furnace and pour into steel pouring mould. Fire Assay Flux is used in geochemical assay laboratories for detection of gold in ore samples. 1000000 PCS/Year. Contact Us Today!:::Miljoenen producten voor 23. The fire assay remaina as a prolific subject for basic research. Croydon, PA, USA Shri N. Finally invert crucibles onto pot tray. You can select and customize services for peak efficiency, quality, and accelerated innovation. Customized products and services are available. Precious Metal Casting Fire Assay Crucible For Muffle Furnace , Find Complete Details about Precious Metal Casting Fire Assay Crucible For Muffle Furnace,Precious Metal Casting Crucible,Fire Assay,Crucible For Muffle Furnace from Ceramics Supplier or Manufacturer-Hunan Global New Material Technology Co. if the fire assay reported 0. The digital programmable temperature. The content of gold should be less than 20×10-6%, and the content of silver should be less than 2×10-5%. We are a professional special ceramic company with the right of import and export. Lees reviews en vind bestsellers:::Browse & discover thousands of brands. Item: 26120S. VWR® Precision Tweezers. The beginning history of fire assaying can be traced to the finds in Troy II (about 2600 B. when all the base metals have been oxidized. After about 20 minutes, the sample has fused and the precious metals and lead have separated from the silicate slag. All of your fire assay needs are available through VWR. We also offer a full engineering service for fire assay extraction and ducting requirements. e. Customized: Customized: Certification: ISO: Structure: Floor: Material: Stainless. Also accept OEM and ODM. Complete furnace available and also furnace parts. Fire Test Furnace (215 products available)I got tired of my almost completely homemade small dredge, constant floatation issues, got rid of my floation setup and sprang for 48 x 9 x9 factory dredge floats from DNK Prospecting in Oregon, but after they got here, I realized I needed a frame to make all the parts go together, as in engine,floats, sluice, etc. Displaying 1 to 10 (of 10 products) Legend Inc. Yosion specializes in producing electronic fire assay laboratory cupellation furnace, ashing furnaces and electronic crucible fusion furnace, and sales of accessories, such as: high-temperature Furnace Muffle,Furnace Tile, Furnace Brick. Sparks, Nevada USA : Furnaces, Kilns & Ovens - Assay Supplies Sample Bags & Envelopes Geology Supplies Bottles, Buckets & Drums Specials Sieves, Screens & Shakers Used Equipment Books ecommerce, open source, shop, online shopping. D. The kit is constructed of a stainless steel tension adjustable jacket, surrounding alumina silicate refractory. The nickel oxide is reduced to nickel sulphide which quantitatively collects the gold and PGEs. We currently offer three brands of fire assay crucibles: AP Green, B&B Refractories, and Continental. Anachemia Hunter brand bone ash cupels – which have been a consistent mainstay in the fire assay industry for over 30 years – are also available in various sizes. PRODUCT BROCHURE 2021 Certified Reference material. 5Legend Inc. Westref can source all of your furnace needs at no extra cost. General tech is the authorized distributor for Nabertherm UAE and Saudi Arabia. The ability to fire assay a substance relies on a number of facts. P. 5 cm. Stand for 1228/122012 Furnace. Furnace Tiles Furnace Group Model Page Ovens up to 300 °C TR 6 Chamber ovens up to 260 °C KTR 8 Forced convection chamber furnaces up to 850 °C NA 10 5 • Independent furnace muffle, large chamber volume, suitable for experiments and production in many fields; • Fast heating speed, high temperature control precision, high uniformity and stability of furnace temperature; • Pneumatically control the oblique opening door, which is convenient to operate, keeping the hot furnace door away from the operator; • Over-temperature automatic. In this work, a novel method was reported for the determination of ultra-trace Au, Ir, Pd, Pt and Rh in rocks and minerals. a refractory pot in which gold or silver is refined. As Per Customer's. This 25 place fusion (assay) furnace is electrically powers by a 24000 Watt heating element allowing it to reach and hold a temperature of 1200 degrees C (2200 F). Bolt holes in base plates of all 4 legs for individual adjustment on uneven surfaces. Fire Assay is the most common technique for analyzing precious metals was developed and refined almost to perfection before the 15th century (5). Typical fire assay multiload and multipour system A rare innovation in fire assay technology Working closely in conjunction with fire assay operators, FLSmidth pioneered the development and engineering of these systems over 20 years ago. Our bone ash cupels are offered in both tapered and straight-sided shapes. Home; About Us;Knowledge of this industry has enabled us to design an improved assay furnace. Hunter Fire Assay Cupels, Bone Ash, Anachemia. You can select and customize services for peak efficiency, quality, and accelerated innovation. Fire Clay Crucibles. 2 to 5. 5 to. verb. Furnace Hoods and Fume Extraction. Estrin Gas Fired Assay Furnace. 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. Our Core Capabilities Include: Custom Liquid Manufacturing New Assay Electric Furnaces New Assay Electric Furnaces - Front Loading Kilns 17 Models Available Kilns May Be Used For Any Media Interior Walls of 2300°F Insulati ID: 58775 Quote + Estrin gas fired assay furnace. Add 1 ml bromine and 5 ml ethyl ether. TECHNICAL SPECIFICATIONS (DFC 800 furnace • 0 – 2000°F • 14 x 12 x 4) TECHNICAL SPECIFICATIONS (DFC 810B furnace • 0 – 2000°F • 16 3/4 x 25 1/4 x 8 1/2) TECHNICAL SPECIFICATIONS (DFC 815 furnace • 0 – 2000°F • 16 3/4 x 25 x 9) TECHNICAL SPECIFICATIONS (economy assay • 0 – 2300°F • 9 x 10 x 6. 5 Pieces (MOQ) Application :. 1016/J. Burner Equipment and Ratings. Mabor PC Cupel Production Size 10". I have used the same furnace for both. 888. . Fire Assay (901 products available) Gold fire clay assay cupel for gold test laboratory equipment $2. Features of ceramic fire assay crucible:As obtained in the fire assay,. Cool and transfer the sample to a 6-oz glass jar. 5. With oil at 8½ cents per gal. Refractory Muffle/chamber/tank For Fire Assay Fusion Furnace & Cupellation Furnace , Find Complete Details about Refractory Muffle/chamber/tank For Fire Assay Fusion Furnace & Cupellation Furnace,Refractory Chamber,Laboratory Muffle Furnace,Muffle Furnace Parts from Ceramics Supplier or Manufacturer-Qingdao Yosion Intelligent. Contact Us +8613657335616. MODERN FIRE ASSAY AUTHORS •‘A Manual of Fire Assaying’, 1929, C. Qingdao Decent Group is a Chinese factory that provides fire assay equipment for mineral laboratories, laboratory sample preparation equipment, and designs and manufactures mobile container. Production Capacity. Description: Hunter cupels have been a consistent mainstay in the assay industry for over 30 years. Be the first to review “Beginner’s Fire Assay Kit” Cancel reply. Eksteen Prof. $1,837. The Hoskins Company, 93 Erie St. The oldest and most assuring met. Supply kinds of fire assay crucibles,Normal model and export level can be choose,customize was acceptable. 166 grams of ore. Fire assay is the industry standard method for gold, platinum and palladium exploration work, because it can accommodate a larger sample size than most. Fire assay pre-concentration of au, Ir, Pd, Pt and Rh2. Our products are manufactured to the highest quality standards, to withstand the most demanding conditions, and are designed to promote high productivity and worker safety. The Fire Assay method remains a cornerstone in gold analysis for several reasons. Legend, Inc is North America's premier manufacturer and supplier of quality, Gold Free and Gold & Silver Free Flux and Litharge. . Our assay equipment inventory includes high quality flux, crucibles, cupels, and laboratory equipment for fire assay. in air up to 2010ºF (1100ºC Max. 00. The SCF 1 has a single chamber, all other smelting furnace models have twin chambers with separate lids. Please contact us. We are situated in Meyerton, Gauteng. Assay and Laboratory Equipment. Muffle furnace chamber working size: length 195mmx thickness 560mm x high 590mm 3. Trademark. The industrial. 1 This practice is primarily intended to be used for the correction of silver loss in the fire assay process. Perform daily maintenance of assay equipment . The cupellation furnace is designed with reasonable whole structure, complete and reliable. Nickel sulfide collection fire assay is the best method for reliable platinum group element determinations. Experienced in fabricating a wide range of alloys including 309, 310, 330, 333, 600, 601, RA602CA, HR120, HR230 and others. Above is a list of fire assay equipment, utensils and consumables. 8-1/2" Wide Cress Furnaces; 10-12" Wide Cress Furnaces; 16" Wide Cress Furnaces; Cress Furnace Parts. CS Ceramic is the first manufacturer that researches various laboratory ceramic consumables,like DSC Sample pans for thermal analyzer (DSC and TGA/SDTA crucibles)and carbon and sulfur analyzer crucibles (LECO consumables)with 40 years of production history,products quality has been affirmed by many universities and research. 2300. Video Channel. Furnace Brush is easy to operate to clean and maintain the chamber of furnaces. Description. Sign In. Alumina Ceramic Parts manufacturer / supplier in China, offering 50g Fire Assay Smelting Gold Crucible, Metallurgical Industry Gem65 Fire Assay Clay Ceramic Crucible for Melting Gold, Manufacturer Crystal Pyrex Capillary Quartz Tube Borosilicate Glass. We also offer a full engineering service for fire assay extraction and ducting requirements. More Info. Displaying 1 to 7 (of 7 products) Legend Inc. Additional information. High quality refractory brick and insulation. Bolt holes in base plates of all 4 legs for individual adjustment on uneven surfaces. Alibaba Testing Instrument & Equipment Testing Equipment Wholesale fire test furnace. Furnace and Assay Supplies was established in 2007 with a goal to create a fire assay equipment manufacturing company with an unparalleled focus on quality . Operating Instructions 1-Turn on Fuel Supply 2-Turn on Main Switch. Sparks, Nevada USA DFC 810B Electric Assay Furnace [266200] - Features: Digital, solid state temperature controller using Type-K thermocouple Dual set point, low temperature idle feature, extending refractory and heating element life High alumina vibrocast refractory lining, allowing even heat distribution Heavy cross section Nichrome. Manually operated door vent and chamber roof vent ensure adequate airflow through the chamber. home;. Qingdao Decent Group provides a full range of fire assay tools that can be combined into various multiload and multipour systems. Description: The Mine Assay MAS-3 fire assay furnace, formerly known as “Williams & Wilson,” is well known in the mining industry all across North America,. The theoretical chemistry pertaining to the fire assay has never been completely investigated.