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1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing
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1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing
  • name
  • name
  • name
  • name

1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing

MOQ: 1 Set
Price: Negotiate
Standard Packaging: Standard export packing is provided, and customized packing is available upon request.
Delivery Period: 15-30 working days
Payment Method: L/C,T/T
Detail Information
Product Description
Detail Information
Place of Origin
China
Brand Name
Y&X
Model Number
Fire Assay Cupellation Furnace
Product Name:
Fire Assay Cupellation Furnace
Application:
Gold, Silver & Precious Metal Testing
Cupel Capacity:
50 / 100 / 168 Cupels
Rated Temperature:
1200 ℃
Heating Element:
Silicon Carbide Heating Element
Exhaust System:
Independent Exhaust Connection
Customization:
Available
Highlight:

1200°C Fire Assay Cupellation Furnace

,

50-168 Cupel Capacity Cupellation Furnace

,

Silicon Carbide Heating Elements Precious Metal Testing Furnace

Product Description
1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing
Product Overview

The Fire Assay Cupellation Furnace is essential equipment for determining gold, silver, and other precious metals using the fire assay method. During cupellation, lead oxidizes and is absorbed by porous cupels under high temperatures, while target precious metals remain as metallic beads for weighing and analysis.

Y&X offers cupellation furnaces with 50, 100, and 168-cupel capacities operating at 1200°C, suitable for laboratories of all sizes. These furnaces feature precise temperature control, silicon carbide heating elements, independent furnace chambers, pneumatic door operation, and specialized exhaust systems.

1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing

Key Features
50-168 Cupel Capacity

Three configurations accommodate different batch sizes and daily sample throughput requirements.

Precise Temperature Control

Thermocouple monitoring and PID control system maintain temperature accuracy within ±5°C for consistent thermal conditions.

Silicon Carbide Heating Elements

High-temperature elements provide rapid heating and stable performance for repeated fire assay operations.

Independent Furnace Chamber

Designed for high-temperature operation with easy maintenance and replacement access.

Pneumatic Door Operation

Facilitates safe loading and unloading while reducing direct exposure to furnace heat.

Exhaust Ventilation Design

Independent exhaust connection directs lead-containing fumes to laboratory ventilation systems.

Technical Specifications
Parameter 50-Cupel 100-Cupel 168-Cupel
Cupel Capacity 50 positions 100 positions 168 positions
Cupel Specification 6A / 7A / 7AS 6A / 7A / 7AS 6A / 7A / 7AS
Rated Temperature 1200°C 1200°C 1200°C
Heating Element Silicon Carbide Rod Silicon Carbide Rod Silicon Carbide Rod
Temperature Control PID Control PID Control PID Control
Temperature Accuracy ±5°C ±5°C ±5°C
Door Operation Pneumatic Pneumatic Pneumatic
Application Fire Assay Cupellation Fire Assay Cupellation Fire Assay Cupellation

Optional configurations and customized specifications available according to laboratory requirements.

1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing

Working Principle

The fire assay cupellation process involves four key steps:

  1. Sample Mixing and Fusion: Crushed ore samples are mixed with lead and flux for high-temperature fusion
  2. High-Temperature Cupellation: Materials heated at 900-1100°C, oxidizing lead which is absorbed by porous cupels
  3. Precious Metal Concentration: Gold, silver and other precious metals form metallic beads
  4. Cooling and Analysis: Cupels are removed, cooled, and precious metal beads are weighed or analyzed

Temperature control accuracy, furnace temperature uniformity, and exhaust conditions critically affect cupellation process consistency.

Applications
  • Gold and silver fire assay
  • Precious metal analysis
  • Ore sample testing
  • Geological exploration laboratories
  • Mining laboratories
  • Metallurgical laboratories
  • Precious metal refining facilities
  • Commercial assay and testing laboratories
Capacity Selection Guide
50-Cupel Furnace

Ideal for small to medium laboratories and routine batch testing. Processes 6-8 batches per 8-hour shift (45-60 minute cycles).

100-Cupel Furnace

Suitable for laboratories requiring greater batch capacity. Processes 12-16 batches per shift under standard conditions.

168-Cupel Furnace

Designed for large testing centers and high-throughput operations. Processes 20-25 batches per shift.

For multiple shifts or peak sample volumes, consider multiple furnaces or the 168-cupel configuration.

Comparison: Cupellation vs Standard Muffle Furnace

While standard muffle furnaces serve general heating applications, fire assay cupellation furnaces are specifically configured for precious metal analysis. Key differentiators include:

  • Specialized cupel loading capacity
  • Dedicated exhaust ventilation systems
  • Precise temperature control for cupellation processes
  • Furnace structure optimized for repeated fire assay operations

Selection should consider cupel capacity, temperature uniformity, ventilation, and daily throughput beyond just operating temperature.

Exhaust & Laboratory Requirements

Effective ventilation is crucial for handling lead-containing fumes generated during cupellation. The furnace includes exhaust connections for integration with laboratory ventilation systems.

Recommended ventilation capacity: Minimum 1500 m³/h (subject to laboratory assessment)

For laboratories without centralized exhaust, independent chimney configurations can be provided based on site conditions.

Frequently Asked Questions
What is a fire assay cupellation furnace used for?
It's used during the cupellation stage of gold, silver, and precious metal analysis where lead oxidizes and is absorbed by cupels, leaving precious metals as beads for analysis.
How do I select the correct cupel capacity?
Choose based on samples per batch, daily throughput, laboratory space, and operating schedule. Y&X offers 50, 100, and 168-cupel configurations.
What's the difference between a cupellation furnace and standard muffle furnace?
Cupellation furnaces are specifically configured for fire assay with high cupel capacity, exhaust ventilation, and temperature control optimized for the cupellation process.
Does the cupellation furnace require an exhaust system?
Yes. Connect to appropriate laboratory ventilation with minimum 1500 m³/h capacity, subject to site assessment.
Can the furnace be customized?
Yes. Y&X provides customized configurations based on cupel capacity, temperature requirements, electrical conditions, and other process parameters. Technical proposals available within 48 hours.
About Y&X

Y&X Beijing Technology Co., Ltd. provides laboratory and mineral processing equipment for sample preparation, mineral testing, and precious metal analysis. Equipment selection is tailored to sample throughput, testing requirements, laboratory conditions, and supporting facilities.

Recommended Information for Inquiry

For faster quotation and equipment selection, please provide:

  • Cupel Size
  • Samples per Batch
  • Samples per Day
  • Required Temperature
  • Power Supply
  • Destination Country
Tags: 

Flame Atomic Absorption Spectrophotometer WFX-220,  

Atomic Absorption Spectrophotometer with warranty,  

WFX-220 spectrophotometer lab equipment

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Products
PRODUCTS DETAILS
Products

Laboratory Rock Crusher

Laboratory Disc Mill

Laboratory Grinding Mill

Lab Ball Mill

Laboratory Flotation Machine

Vibrating Screen Machine

Spiral Classifier

Gravity Separation Machine

Laboratory Vacuum Filter

Magnetic Separation Equipment

Concentration Equipment

Vertical Chemical Pump

Laboratory Rotary Kiln

Mineral Testing Machine

Mining Spare Parts

Fire Assay Laboratory Equipment

Blast Drying Oven
1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing
  • name
  • name
  • name
  • name
1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing
MOQ: 1 Set
Price: Negotiate
Standard Packaging: Standard export packing is provided, and customized packing is available upon request.
Delivery Period: 15-30 working days
Payment Method: L/C,T/T
Detail Information
Product Description
Detail Information
Place of Origin
China
Brand Name
Y&X
Model Number
Fire Assay Cupellation Furnace
Product Name:
Fire Assay Cupellation Furnace
Application:
Gold, Silver & Precious Metal Testing
Cupel Capacity:
50 / 100 / 168 Cupels
Rated Temperature:
1200 ℃
Heating Element:
Silicon Carbide Heating Element
Exhaust System:
Independent Exhaust Connection
Customization:
Available
Minimum Order Quantity:
1 Set
Price:
Negotiate
Packaging Details:
Standard export packing is provided, and customized packing is available upon request.
Delivery Time:
15-30 working days
Payment Terms:
L/C,T/T
Highlight

1200°C Fire Assay Cupellation Furnace

,

50-168 Cupel Capacity Cupellation Furnace

,

Silicon Carbide Heating Elements Precious Metal Testing Furnace

Product Description
1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing
Product Overview

The Fire Assay Cupellation Furnace is essential equipment for determining gold, silver, and other precious metals using the fire assay method. During cupellation, lead oxidizes and is absorbed by porous cupels under high temperatures, while target precious metals remain as metallic beads for weighing and analysis.

Y&X offers cupellation furnaces with 50, 100, and 168-cupel capacities operating at 1200°C, suitable for laboratories of all sizes. These furnaces feature precise temperature control, silicon carbide heating elements, independent furnace chambers, pneumatic door operation, and specialized exhaust systems.

1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing

Key Features
50-168 Cupel Capacity

Three configurations accommodate different batch sizes and daily sample throughput requirements.

Precise Temperature Control

Thermocouple monitoring and PID control system maintain temperature accuracy within ±5°C for consistent thermal conditions.

Silicon Carbide Heating Elements

High-temperature elements provide rapid heating and stable performance for repeated fire assay operations.

Independent Furnace Chamber

Designed for high-temperature operation with easy maintenance and replacement access.

Pneumatic Door Operation

Facilitates safe loading and unloading while reducing direct exposure to furnace heat.

Exhaust Ventilation Design

Independent exhaust connection directs lead-containing fumes to laboratory ventilation systems.

Technical Specifications
Parameter 50-Cupel 100-Cupel 168-Cupel
Cupel Capacity 50 positions 100 positions 168 positions
Cupel Specification 6A / 7A / 7AS 6A / 7A / 7AS 6A / 7A / 7AS
Rated Temperature 1200°C 1200°C 1200°C
Heating Element Silicon Carbide Rod Silicon Carbide Rod Silicon Carbide Rod
Temperature Control PID Control PID Control PID Control
Temperature Accuracy ±5°C ±5°C ±5°C
Door Operation Pneumatic Pneumatic Pneumatic
Application Fire Assay Cupellation Fire Assay Cupellation Fire Assay Cupellation

Optional configurations and customized specifications available according to laboratory requirements.

1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing1200°C Fire Assay Cupellation Furnace for Gold Silver Precious Metal Testing

Working Principle

The fire assay cupellation process involves four key steps:

  1. Sample Mixing and Fusion: Crushed ore samples are mixed with lead and flux for high-temperature fusion
  2. High-Temperature Cupellation: Materials heated at 900-1100°C, oxidizing lead which is absorbed by porous cupels
  3. Precious Metal Concentration: Gold, silver and other precious metals form metallic beads
  4. Cooling and Analysis: Cupels are removed, cooled, and precious metal beads are weighed or analyzed

Temperature control accuracy, furnace temperature uniformity, and exhaust conditions critically affect cupellation process consistency.

Applications
  • Gold and silver fire assay
  • Precious metal analysis
  • Ore sample testing
  • Geological exploration laboratories
  • Mining laboratories
  • Metallurgical laboratories
  • Precious metal refining facilities
  • Commercial assay and testing laboratories
Capacity Selection Guide
50-Cupel Furnace

Ideal for small to medium laboratories and routine batch testing. Processes 6-8 batches per 8-hour shift (45-60 minute cycles).

100-Cupel Furnace

Suitable for laboratories requiring greater batch capacity. Processes 12-16 batches per shift under standard conditions.

168-Cupel Furnace

Designed for large testing centers and high-throughput operations. Processes 20-25 batches per shift.

For multiple shifts or peak sample volumes, consider multiple furnaces or the 168-cupel configuration.

Comparison: Cupellation vs Standard Muffle Furnace

While standard muffle furnaces serve general heating applications, fire assay cupellation furnaces are specifically configured for precious metal analysis. Key differentiators include:

  • Specialized cupel loading capacity
  • Dedicated exhaust ventilation systems
  • Precise temperature control for cupellation processes
  • Furnace structure optimized for repeated fire assay operations

Selection should consider cupel capacity, temperature uniformity, ventilation, and daily throughput beyond just operating temperature.

Exhaust & Laboratory Requirements

Effective ventilation is crucial for handling lead-containing fumes generated during cupellation. The furnace includes exhaust connections for integration with laboratory ventilation systems.

Recommended ventilation capacity: Minimum 1500 m³/h (subject to laboratory assessment)

For laboratories without centralized exhaust, independent chimney configurations can be provided based on site conditions.

Frequently Asked Questions
What is a fire assay cupellation furnace used for?
It's used during the cupellation stage of gold, silver, and precious metal analysis where lead oxidizes and is absorbed by cupels, leaving precious metals as beads for analysis.
How do I select the correct cupel capacity?
Choose based on samples per batch, daily throughput, laboratory space, and operating schedule. Y&X offers 50, 100, and 168-cupel configurations.
What's the difference between a cupellation furnace and standard muffle furnace?
Cupellation furnaces are specifically configured for fire assay with high cupel capacity, exhaust ventilation, and temperature control optimized for the cupellation process.
Does the cupellation furnace require an exhaust system?
Yes. Connect to appropriate laboratory ventilation with minimum 1500 m³/h capacity, subject to site assessment.
Can the furnace be customized?
Yes. Y&X provides customized configurations based on cupel capacity, temperature requirements, electrical conditions, and other process parameters. Technical proposals available within 48 hours.
About Y&X

Y&X Beijing Technology Co., Ltd. provides laboratory and mineral processing equipment for sample preparation, mineral testing, and precious metal analysis. Equipment selection is tailored to sample throughput, testing requirements, laboratory conditions, and supporting facilities.

Recommended Information for Inquiry

For faster quotation and equipment selection, please provide:

  • Cupel Size
  • Samples per Batch
  • Samples per Day
  • Required Temperature
  • Power Supply
  • Destination Country
Tags: 

Flame Atomic Absorption Spectrophotometer WFX-220,

Atomic Absorption Spectrophotometer with warranty,

WFX-220 spectrophotometer lab equipment

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