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CI5X Series Impact Crushers

CI5X series impact crusher is a new generation of coarse and medium crushed products designed to meet customers needs for high profit, low cost, energy saving and consumption reduction. It is the guarantee for large-volume production line c

Mining, metallurgy, construction, chemical, cement, refractory material, etc.

Parameter


Model Specifications (mm) Feed opening (mm) Max. feed size (mm) Capacity (t/h) Power (kW) Weight (t) Dimensions (mm)
CI5X1315 Φ1300×1500 1540×930 600 250-350 250 20 2880×2755×2560
CI5X1520 Φ1500×2000 2040×520 (2040×995) 350(700) 400-600 2×250 (2×200) 30 3390×3520×2790
CI5X1415 Φ1400×1500 1540×1320 900 350-550 250 24 2995×2790×3090
CI5X1620 Φ1600×2000 2040×1630 1100 500-900 2×200 42 3485×3605×3720
CI5X2023 Φ2000×2300 2400×1920 1300 1200-2000 2×500 76 4890×4380×4765
  • Gold Fire Assay Process - Mineral Processing Metallurgy

    The Gold Fire Assay Process of ores is almost universally conducted in the dry procedure by furnace methods. Exceptions will be noted later. 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.The button of lead obtained by either method is then subjected to cupellation ...

  • Metallurgical assay - Wikipedia

    A metallurgical assay is a compositional analysis of an ore, metal, or alloy.. Some assay methods are suitable for raw materials; others are more appropriate for finished goods. Raw precious metals are assayed by an assay office.Silver is assayed by titration, gold by cupellation and platinum by inductively coupled plasma optical emission spectrometry (ICP OES).

  • 3 Ways to Assay Gold - wikiHow

    2009-10-06  To assay gold using fire, start by placing the gold into a heat-resistant crucible. Then, add lead oxide, sodium bicarbonate, potassium carbonate, and flour to create a flux, and heat everything to between 1,100 and 1,200 degrees Celsius. Next, pour off the top layer of molten glass, and pour the metal underneath into a mold to cool. Finally ...

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  • Fire Assay Analysis

    Fire Assay. The method of choice for gold analysis through time has been fire assay. The basic procedure for fire assay involves mixing an aliquot of powdered sample (10g, 15g, 30g, or 50g are the common sizes used) with soda ash (sodium carbonate), borax (sodium borate), litharge (PbO), flour (baking flour used to add carbon as a reductant), silica, and possible nitre (potassium nitrate). To ...

  • Fire Assay Gold - sgs

    FIRE ASSAY GOLD. SGS MINERALS SERVICES – T3 SGS 218 2 SCREENED METALLICS Gold by screened metallics fire assay consists of screening 500g of the sample to 106 microns. The plus fraction is fire assayed for gold and a duplicate assay is performed on the minus fraction. The size fraction weights, coarse and fine fraction gold content and total gold content are reported. GOLD BY LEAD

  • Fire Assay Procedure – Au-AA23 and Au-AA24

    Fire Assay Procedure – Au-AA23 and Au-AA24 Fire Assay Fusion, AAS Finish Sample Decomposition: Fire Assay Fusion Analytical Method: Atomic Absorption Spectroscopy (AAS) A prepared sample is fused with a mixture of lead oxide, sodium carbonate, borax, silica and other reagents as required, inquarted with 6 mg of gold-free silver and

  • Fire Assay Procedure - Mineral Processing Metallurgy

    Fluxing and Fusion of The SampleDesulfurizing ReagentsThe Fluxing and Fusion ProcessSeparating The Slag from The ButtonCupellationPartingFire Assaying Platinum Group ElementsGlossary of Fire Assay TermsThere are different classes of samples based on geology. The rock classes are acidic and basic. Samples high in silicates, aluminates or borates are acidic. Samples high in oxides or carbonates and other metals are basic. The information whether the sample is basic or acid is important because it has a huge effect on the choice of fluxing reagents.There are many steps to fluxing and the fusion of the sample such as the determination of the correct proportion of the fluxing reagents, the mixin...
  • Precious Metals Analysis by Fire Assay - AGAT Labs

    Fire Assay Analysis. Precious metals such as gold, silver and platinum are in high demand in today’s market. Whether the demand is for ore-grade analysis or high volume baseline fire assay gold exploration work, AGAT Laboratories’ has extensive expertise in silver, gold and PGE determinations.

  • Fire Assay Information

    The Fire Assay Method is centuries old, but it is still one of the most reliable methods for performing assays (to determine the metal content of a ore) of ores that contain precious (noble) metals - Gold, Silver and Platinum. Ore from the mine, or exploration sampling program is scientifically sampled using a statistically accurate method ...

  • Fire Assay Explained- The Workhorse of Precious Metal ...

    2015-06-28  This is the 4th video in a series on sampling and analysis of precious metals. The Fire Assay process is presented and explained. This well established process has been used for thousands of year ...

  • 作者: TheIPMI
  • Fire Assay Information

    The Fire Assay Method is centuries old, but it is still one of the most reliable methods for performing assays (to determine the metal content of a ore) of ores that contain precious (noble) metals - Gold, Silver and Platinum. Ore from the mine, or exploration sampling program is scientifically sampled using a statistically accurate method ...

  • Fire Assay Explained- The Workhorse of Precious Metal ...

    2015-06-28  This is the 4th video in a series on sampling and analysis of precious metals. The Fire Assay process is presented and explained. This well established process has been used for thousands of year ...

  • 作者: TheIPMI
  • Metallic Screen Check Samples Return an Average 25% ...

    Metallic screen fire assay technique is commonly used to determine coarse and fine gold in samples and utilises a larger volume of the sample. During the summer of 2018 a detailed review of the assay data base was completed and over 100 individual samples from across the PL Deposit were flagged where original fire assay results were inconsistent with either visible gold or significant ...

  • Assay Laboratory Jobs in Ontario (with Salaries)

    Carry out fire assay procedure: ... Be the first to see new Assay Laboratory jobs in Ontario. My email: By creating a job alert or receiving recommended jobs, you agree to our Terms. You can change your consent settings at any time by unsubscribing or as detailed in our terms. For jobs in the United States, please visit indeed. Jobs - Browse Companies - Salaries - Browse Jobs ...

  • UNREALISTIC EXPECTATIONS OF ASSAY RESULTS

    UNREALISTIC EXPECTATIONS OF ASSAY RESULTS The integrity of a resource database is pivotal to a company’s success in securing debt or equity finance for a new mining project. The quality of data and thus the validity of the database can only be guaranteed when appropriate sampling and assaying protocols have been implemented. No amount of ...

  • Gold Assaying and Gold Grades - investingnews

    Gold assaying: Fire assays. As mentioned, the fire assay method is the preferred way to determine a deposit’s gold grade because it is generally the most accurate. A drawback to fire assays is ...

  • Technical Note - alsglobal

    keep pace with the demand for fire assay determinations. However the basic chemistry remains the same. The nexus between productivity and chemistry is important as it explains many of the problems that geologists and metallurgists experience when dealing with commercial fire assay data. Because gold is rarely homogeneously distributed in nature

  • Fire Assay Jobs, Employment Indeed

    39 Fire Assay jobs available on Indeed. Apply to Senior Laboratory Technician, Metallurgist, Laboratory Technician and more!

  • Appendix III Assayer Methods and Specifications

    Appendix III – Assay Methods and Datasheets This appendix contains detailed descriptions of procedures used by assayers, as described by the assayers. Program: Acadia, 1986-1988 Assayer: Bondar-Clegg and Company Ltd., Ottawa, ON The procedure for assaying samples with coarse free (metallic) gold used by Bondar-

  • BCIT : : Assayer Training: Part-time

    Comprehensive assayer training is available through Chemical and Environmental Technology on a part-time studies basis (as night school, distance education, workshop or Internet courses). The training was developed to meet the mining industry's growing demands for skilled and competent assayers in B.C.

  • Standard Test Methods for Determination of Gold in

    4.1 These test methods are intended for the determination of the gold content of gold and silver bullion. It is assumed that all who use these test methods are trained assayers capable of performing common fire assay procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.

  • Fire-assay chemical process Britannica

    In gold processing: Assaying. 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. This process involves melting a gold-bearing sample in a clay crucible with a mixture of fluxes (such as Read More; silver ...

  • Precious Metals/Fire Assaying Hazen Research

    Hazen offers a full suite of services to those interested in assaying for precious metals and platinum group metals (PGMs). Please Contact us to obtain a quote for fire or gold assay, and to learn more about our PGM services and capabilities. Hazen's modern fire assay facility permits rapid turnaround time and a high rate of production. Hazen performs fire assay for analytical

  • Fire Assay Jobs (with Salaries) Indeed

    Carry out fire assay procedure: Technical training in fire assay is an asset. (Actlabs)*was established in 1987 and is one of Canada’s premier service (Actlabs)*was established in 1987 and is one of Canada’s premier service

  • Comparison of different extraction methods to determine ...

    with its cheaper cost, than the Fire Assay fluxes. As exploration samples require a better detection limit than that offered by gravimetric procedures, Fire Assay provides total fusion of gold as it dissolves and extracts the entire platinum metal group in addition to gold and silver. The combination of a Fire Assay

  • Melt and Assay of Precious Metals - Williams Gold

    At Williams Gold Silver, we offer two assay options: Fire or X-ray Fluorescence (XRF). Historically, the fire assay process has been the most widely used, while the newer XRF assay procedure uses the latest. x-ray technology to verify the metals contained in your sample. Both methods provide an accurate . measure of precious metal content.

  • gold in fly ash fire assay - cosmetic-carrepair.nl

    The applicability of a fire assay, a wet acid treatment, chlorination and alkaline oxidizing fusion to a ... bone ash or magnetite. Upon heating at a temperature of about 800 – 850˚C in an oxidizing atmosphere, the lead oxide and the ... Modifications to the lead fire assay procedure using silver or gold as collectors for the isolation of ...

  • Panning and Assay Procedures - Western Mining History

    3. FIRE ASSAY OF PLACER SAMPLES - MISLEADING RESULTS Fire assaying, in essence, is a minature smelting process which recovers and reports the total gold content of the assay sample, including gold combined with other elements or locked in the ore particles. Because of this, a fire assay may report values that cannot be recovered by placer ...

  • WHAT WE WANT TO ACHIEVE TODAY - LBMA

    Observations on the determination of gold in gold alloys –cupellation method (Fire Assay) Dippal Manchanda MSc CSci CChem FRSC Technical Director Chief Assayer WHAT WE WANT TO ACHIEVE TODAY 1. Understand the technicalities behind the fire assay process and how these affect the accuracy of your results. 2. Determine what you need to ask any ...

  • 1A2 - (1A2-30 or 50) Au Fire Assay - AA - Geochemistry ...

    1A2 - (1A2-30 or 50) Au Fire Assay - AA. Fire Assay Fusion. A sample size of 5 to 50 grams can be used but the routine size is 30 g for rock pulps, soils or sediments (exploration samples). The sample is mixed with fire assay fluxes (borax, soda ash, silica, litharge) and with Ag added as a collector and the mixture is placed in a fire clay ...

  • 1A2 - (1A2-30 or 50) Au Fire Assay - AA - Geochemistry ...

    1A2 - (1A2-30 or 50) Au Fire Assay - AA. Fire Assay Fusion. A sample size of 5 to 50 grams can be used but the routine size is 30 g for rock pulps, soils or sediments (exploration samples). The sample is mixed with fire assay fluxes (borax, soda ash, silica, litharge) and with Ag added as a collector and the mixture is placed in a fire clay ...

  • Torch Fire Assaying Technique - Gold Prospectors of the ...

    The results are expressed in "Troy Ounces" of silver or gold and platinum group metals per ton of materials being assayed. The following facts, comparing the torch assay procedure with the conventional, furnace fire assay, will further indicate the different ways in which this technique has advanced the art for the prospector and miner. 1 ...

  • Standard Fire Assay or Screen Fire Assay? Application of ...

    The same procedure is applied for analysis of the feed samples (if done), except that screen fire assay can be necessary for the coarser size classes, such as in the presence of coarse gold ...

  • Assaying Gold and Silver Ores: Fire Assaying and Other ...

    While improper fire assay methods or incorrect fluxes can cause problems, when properly done a fire assay is extremely reliable method of determining the gold and silver content of an ore sample. The details of how to do a fire assay correctly, and the proper fluxes and how they are made, have been written about and published in many books ...

  • Optimisation of fire assay analyticalOptimisation of fire ...

    Optimisation of fire assay analyticalOptimisation of fire assay analytical conditions for gold determination in industrial environment LBMA assaying refining seminar March 7 and 8, 2011 -1-P. Cassagne, P. Lohri, Y. Tüller • Fire assay method for gold determination is an old well known analytical method which is clearly described in ISO

  • (PDF) Fire Assay Screen Metallic Analysis

    By arcing a 10-mg fire assay bead at 7 A on a Cu cathode, bead ejection is avoided without buffering. Sensitivities for the precious metals are in the range 0.01 to 0.5 μg and precisions between ...

  • Assaying and Smelting - Recreational Gold Prospecting

    This will give you an instant readout of the amount of gold etc. in your sample. We are not going into the details of these hi-tech methods. We are going to concentrate on the tried, true and more available methods such as “Aqua Regia Assay” and the more familiar “Fire Assay”. We will also look at an old “sourdough” method that can ...

  • Assayers Certification Examinations - BCIT Commons

    Gravimetric and instrumental finishing techniques of fire assay methods. Description and care of various assay equipment and tools. Procedures for non-fire assay methods of precious metal analysis and associated limitations. Assaying of gold-cyanide solutions and problems. Sampling practices in mining, smelting and shipping of concentrates and ...

  • by M. A. McGuire - Teknik Döküm

    was introduced in France in the 13th century. During the 16th century, the basic fire assay procedure was essentially the same as that in use today. Although the use of the fire assay is now confined to the analysis of precious metals, it was used in previous times for the assay of base metals, such as lead, bismuth, tin, and copper.

  • Fire Assay - YouTube

    2011-05-27  fire assay: May 27 2011 1:00 pm I appreciate the hints and constructive criticism, but you should know that this was a project for a geochemistry class. A classmate and I were trying to teach ...


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