Order Code	Product Name
L-08-04-M03	99% Alumina Arc Crucible for Mining Laboratory High Temperature Sample Preparation

99% High-Purity Alumina Arc Crucible for Mining Laboratory Sample Preparation

Brief Introduction

The 99% High-Purity Alumina Arc Crucible is a professional corundum laboratory consumable designed for high-temperature processing in mining, metallurgical and analytical laboratories. Manufactured from 99% high-purity alumina material, this crucible provides excellent thermal stability, mechanical strength and chemical inertness during ore sample ashing, calcination, fusion and thermal decomposition procedures.

With resistance to high-temperature oxidation and stable structural performance, it supports standardized mineral sample preparation workflows. Available in multiple capacities and optional arc, cylindrical and rectangular structures, it provides flexible compatibility with different high-temperature furnaces and laboratory testing requirements.

Application Scope

This high-purity alumina crucible is widely used in mining laboratory workflows including mineral sample preparation, metallurgical testing, mineral composition analysis and conventional hydrometallurgical pretreatment evaluation.

It is mainly applied for high-temperature calcination, residue ashing, moisture removal and thermal decomposition of ore samples, rock specimens and metallurgical tailings. During quantitative mineral analysis, it helps standardize thermal treatment procedures before instrumental detection by removing unstable components and supporting consistent sample conditions.

Suitable for mining enterprise laboratories, geological testing institutions and metallurgical research centers, this crucible supports both routine batch sample pretreatment and conventional high-temperature experimental operations.

Features

High Purity Material Ensures Testing Accuracy

Made of 99% high-purity alumina, the crucible features low impurity content and stable chemical properties. It minimizes contamination risks during high-temperature ore sample calcination and ashing processes, helping maintain reliable and repeatable analytical results for mineral testing and metallurgical evaluation.

Excellent Thermal Stability Ensures Operational Reliability

The corundum structure provides strong high-temperature resistance and thermal shock resistance. It withstands repeated heating and cooling cycles while maintaining structural integrity, reducing cracking, deformation and unexpected failures during continuous laboratory heating operations.

Superior Chemical Inertness Stabilizes Laboratory Workflow

The alumina material resists corrosion from common mineral acids, weak alkaline solutions and high-temperature oxidizing environments involved in mineral pretreatment. It maintains stable performance during thermal processing and helps prevent sample loss or component deviation.

Multi-Specification Design Improves Equipment Compatibility

Available capacities from 20ml to 2300ml with optional arc, cylindrical and rectangular structures, the crucible matches different muffle furnaces, tube furnaces and high-temperature heating systems. The wide specification range supports diversified mineral sample preparation and metallurgical testing applications.

Durable Structure Reduces Long-Term Operating Costs

High-density alumina construction provides strong compression resistance and extended service life. The reusable design reduces frequent replacement requirements and helps lower long-term consumable costs for mining and metallurgical laboratories.

Specification

Item	Specification
Product Name	99% High-Purity Alumina Arc Crucible / Corundum Crucible
Main Material	99% High-Purity Alumina
Optional Shapes	Arc, Cylindrical, Rectangular
Product Feature	High temperature resistant, corrosion resistant, low impurity, reusable
Application	Mineral sample preparation, ore calcination, ashing, metallurgical testing and thermal pretreatment

Available Capacities & Dimensions

Capacity	Top Outer Diameter	Bottom Outer Diameter	Height
20ml (without lid)	36mm	23mm	41mm
30ml	38mm	25mm	45mm
50ml	55mm	32mm	62mm
100ml	58mm	35mm	68mm
150ml	67mm	42mm	78mm
200ml	73mm	48mm	86mm
300ml	83mm	52mm	106mm
500ml	100mm	60mm	118mm
750ml	112mm	70mm	132mm
1000ml	125mm	80mm	146mm
1300ml	127mm	85mm	151mm
1500ml	140mm	90mm	170mm
2000ml	160mm	100mm	153mm
2300ml	165mm	110mm	153mm

Why Choose FKN PANDA

FKN PANDA supplies high-purity 99% alumina corundum crucibles for global mining laboratories, metallurgical testing facilities and geological research institutions. Manufactured with high-purity alumina materials, these crucibles provide stable high-temperature performance and low impurity characteristics for mineral sample calcination, ashing and thermal pretreatment.

With comprehensive capacity options and flexible shape selection, FKN PANDA alumina crucibles integrate with various laboratory heating systems and support efficient mineral sample preparation workflows. Their durable reusable structure helps reduce long-term consumable replacement costs while providing reliable high-temperature vessel solutions for mining technical teams, research institutions and distribution partners.

High Purity Alumina Ceramic Fusion Crucibles (Al₂O₃) – FAQ

Q1. How to select high purity alumina ceramic fusion crucibles for XRF glass bead preparation in mineral analysis workflows?

Selecting high purity alumina ceramic fusion crucibles requires consideration of the mineral sample type, flux composition, fusion temperature, and XRF analysis requirements. In mining laboratories, crucibles are commonly selected based on chemical compatibility, thermal stability, contamination control, and suitability for repeated sample preparation workflows. For geological and metallurgical testing, the crucible should support consistent glass bead formation during the sample preparation stage, helping laboratories maintain reliable analytical conditions from ore sample preparation to mineral evaluation.

Q2. What factors should be considered when choosing alumina ceramic crucibles for routine element analysis in ore sample measurements?

Important selection factors include alumina material purity, chemical resistance, operating temperature conditions, crucible geometry, and compatibility with the selected fusion method. Mining laboratories performing routine XRF analysis should evaluate whether the crucible design matches their workflow, including sample throughput, flux type, and required analytical sensitivity. Proper crucible selection helps reduce contamination risks and supports stable sample preparation procedures for applications such as ore characterization, grade control, and metallurgical research.

Q3. How does alumina ceramic material improve chemical resistance compared to graphite crucibles in oxidative fusion applications?

Alumina ceramic provides strong resistance to oxidation and maintains structural stability in oxidizing fusion environments. Compared with graphite materials, alumina crucibles are often considered when laboratory workflows involve conditions where carbon oxidation or material interaction may affect sample preparation. In mineral analysis applications, the choice between alumina and other crucible materials depends on flux chemistry, sample composition, and analytical objectives. Laboratory managers should evaluate material compatibility to ensure consistent XRF glass bead preparation.

Q4. How to ensure testing repeatability when using alumina ceramic crucibles for multi-sample XRF bead preparation?

Testing repeatability depends on maintaining consistent sample preparation conditions, including sample-to-flux ratio, fusion procedure, crucible condition, and cleaning practices. High purity alumina ceramic crucibles support repeatable workflows when properly selected and handled according to laboratory procedures. For mining laboratories processing multiple ore samples, consistent crucible performance helps minimize variation during glass bead preparation and supports reliable mineral testing results used for metallurgical evaluation and process decision-making.

Q5. What maintenance requirements are typical for alumina ceramic crucibles in continuous mineral testing laboratory operation?

Maintenance of alumina ceramic crucibles mainly involves careful handling, appropriate cleaning procedures, inspection for cracks or surface damage, and proper storage between fusion cycles. Since fusion laboratories may operate continuously during exploration, production support, or quality control activities, regular inspection helps identify conditions that could affect sample preparation consistency. Following laboratory operating procedures helps extend crucible service life and maintain stable performance during repeated XRF bead preparation workflows.

Q6. Can high purity alumina fusion crucibles be integrated into automated fusion sample preparation workflows for mining laboratories?

High purity alumina fusion crucibles can be considered for automated fusion workflows when their dimensions and characteristics are compatible with the selected fusion equipment. In modern mining laboratories, automated sample preparation systems are used to improve workflow efficiency and reduce manual handling during high-volume mineral analysis. Crucible selection should consider instrument compatibility, fusion process requirements, and laboratory operating conditions to ensure smooth integration within the overall sample preparation sequence.

Q7. What cleaning procedures are recommended for alumina ceramic crucibles between different ore sample fusion types?

Cleaning procedures should be selected according to the previous sample composition, flux chemistry, and contamination control requirements of the laboratory. After fusion applications involving different ore types, laboratories typically evaluate whether residual materials may influence subsequent XRF measurements. Proper cleaning and handling practices help maintain crucible condition and reduce the risk of cross-contamination in workflows involving geological samples, mineral concentrates, and metallurgical testing materials.

Q8. What compatibility considerations exist between alumina ceramic crucibles and different flux compositions in XRF preparation?

Compatibility between alumina ceramic crucibles and flux compositions is an important consideration in XRF glass bead preparation. Laboratories should evaluate the interaction between the crucible material, selected flux system, and target mineral samples before establishing routine procedures. Different ores may require different fusion approaches, especially in applications involving refractory minerals or complex compositions. Proper compatibility assessment supports stable sample preparation and reliable analytical workflows in mining and metallurgical laboratories.

Q9. How does alumina material purity affect background levels in trace element XRF analysis of mineral samples?

Material purity can influence the suitability of a crucible for trace element XRF workflows because impurities within sample preparation components may contribute to analytical background or contamination concerns. For laboratories performing trace element analysis, selecting appropriate alumina ceramic crucibles helps maintain controlled preparation conditions. The required purity level should be evaluated based on the analytical objectives, sample characteristics, and quality requirements of the mineral testing workflow.

Q10. How can high purity alumina ceramic crucibles support laboratory expansion and continuous mineral testing operations?

High purity alumina ceramic crucibles can support laboratory expansion by providing a reliable component for repeated XRF glass bead preparation workflows. When mining laboratories increase sample volumes or replace existing consumables, crucible selection should consider compatibility with current equipment, testing procedures, and long-term operational requirements. Properly selected fusion crucibles contribute to consistent sample preparation across exploration, ore characterization, metallurgical evaluation, and routine quality control activities.

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