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L-06-01-M05 |
50ml 100ml Flat Bottom PFA Crucible for Mining Trace Element Analysis |

The flat bottom PFA crucible is manufactured from ultra-pure PFA material and designed for high-precision trace element and isotope analysis in mining, geochemical and analytical laboratories. Available in 50ml and 100ml specifications, this laboratory vessel features a translucent body for visual monitoring of sample processing and supports compatible PFA or PTFE lids for sealed treatment.
With excellent chemical inertness against concentrated acids and aggressive solvents, together with a temperature resistance range of -200°C to +260°C, the PFA crucible minimizes trace metal leaching and contamination risks during sample pretreatment. Its stable structure supports consistent mineral sample preparation workflows and reliable analytical performance for professional laboratories.
The flat bottom PFA crucible is suitable for open acid digestion, heating, evaporation and purification of ore, rock and geological samples. The flat base provides stable placement and uniform heat transfer during hotplate processing, supporting consistent preparation before instrumental analysis.
This PFA sample vessel is applicable for pretreatment of metallurgical raw materials and hydrometallurgical leachate residues. Its corrosion-resistant structure helps maintain sample integrity and reduces contamination risks during laboratory evaluation procedures.
Designed for trace element detection and quantitative mineral analysis, the ultra-low blank characteristics of the PFA material help reduce background interference and support repeatable analytical results in mining laboratory quality control workflows.
The crucible is suitable for professional geochemical and isotope laboratories requiring high-purity sample preparation. Its chemically inert material supports reliable preparation of geological samples for advanced analytical testing.
Manufactured from ultra-pure PFA material, the crucible provides ultra-low trace metal leaching performance and supports ppt-level ultra-trace elemental analysis. Its resistance to concentrated HF, HNO3 and aggressive organic solvents helps prevent sample contamination and elemental deviation.
The flat bottom PFA crucible maintains stable physical and chemical performance across a wide temperature range from -200°C to +260°C. The structure is designed for repeated heating and cooling cycles while maintaining reliable laboratory operation.
The translucent body allows operators to observe sample digestion and evaporation conditions without unnecessary interruption. Compatible PFA or PTFE lid accessories support sealed processing, helping reduce solution loss and improve pretreatment consistency.
Available in standard 50ml and 100ml specifications, the crucible integrates with common laboratory heating equipment and mineral analysis workflows. It is suitable for mining laboratories, trace element testing facilities and geochemical research institutions.
The corrosion-resistant PFA material extends product service life and reduces frequent replacement requirements. Stable low-leaching performance helps minimize repeated analysis caused by contamination issues, supporting efficient laboratory operation.
| Product Name | Flat Bottom PFA Crucible |
| Material | Ultra-pure PFA |
| Available Specifications | 50ml, 100ml |
| Appearance | Translucent (easy internal observation) |
| Temperature Resistance Range | -200°C to +260°C |
| Chemical Resistance | Fully inert to concentrated HF, HNO3 and aggressive organic solvents |
| Purity Performance | Ultra-low trace metal leaching, suitable for ppt-level analysis |
| Matching Accessory | Compatible with PFA or PTFE lid |
| Main Application Fields | Trace element analysis laboratories, geochemistry & isotope laboratories, mining laboratories |
FKN PANDA supplies high-purity fluoroplastic laboratory consumables for global mining laboratories, geochemical research institutions and metallurgical testing facilities. We understand that contamination control and low-blank sample vessels are essential foundations for reliable trace element analysis.
Our flat bottom PFA crucibles are manufactured using selected ultra-pure PFA raw materials, providing stable chemical inertness, wide temperature adaptability and consistent low-leaching performance. The practical translucent design and flat bottom structure support daily mineral sample pretreatment and high-standard laboratory applications.
With reliable product quality and compatibility with established laboratory workflows, FKN PANDA PFA crucibles help users maintain stable testing conditions, improve sample preparation efficiency and control operational costs. We support stable bulk supply and standardized quality inspection for global laboratories and distributors.
Q1. How to select appropriate PFA crucibles (50ml, 100ml) for different ore sample types in mineral testing laboratories?
Selecting suitable PFA crucibles requires consideration of sample characteristics, digestion method, reagent system, and analytical objectives. In mining laboratories, the choice between 50ml and 100ml crucibles should match sample volume requirements and the specific workflow from ore sample preparation to trace element analysis. Laboratories should evaluate chemical compatibility, operating conditions, and equipment requirements to ensure reliable digestion performance and consistent sample handling during mineral testing and metallurgical evaluation.
Q2. What are the critical chemical resistance specifications for 50ml and 100ml PFA crucibles in mining laboratory applications?
Chemical resistance is a key factor when selecting PFA crucibles for mineral digestion applications involving aggressive reagents. Laboratories should assess compatibility with the acids and digestion conditions used in their analytical procedures, including reagent concentration, temperature, and exposure duration. Properly selected 50ml and 100ml PFA crucibles help maintain sample integrity during digestion workflows and support reliable preparation of geological and metallurgical samples for subsequent analysis.
Q3. Can 50ml and 100ml PFA crucibles maintain structural integrity during repeated high-temperature acid digestion cycles?
The service performance of PFA crucibles during repeated digestion cycles depends on operating conditions, reagent exposure, cleaning procedures, and laboratory handling practices. For continuous mineral analysis operations, laboratories should regularly inspect crucible condition and follow appropriate usage procedures. Maintaining suitable operating practices helps extend crucible service life and supports consistent sample preparation during repeated acid digestion processes used in exploration, mineral testing, and metallurgical research.
Q4. How does PFA material composition affect sample contamination levels in trace element mineral analysis?
PFA material properties can influence contamination control during trace element analysis because sample purity is important throughout the digestion process. Selecting suitable PFA crucibles helps reduce unwanted interaction between the container and digestion solution when preparing mineral samples. In mining laboratories, high-quality sample preparation equipment supports reliable analytical workflows by maintaining sample integrity from initial ore digestion through elemental analysis and process evaluation.
Q5. Which PFA crucible size (50ml vs 100ml) specifications are optimal for standard laboratory digestion systems in mining exploration?
The appropriate crucible size depends on sample quantity, digestion requirements, and laboratory workflow design. A 50ml PFA crucible may be suitable for applications requiring smaller digestion volumes, while a 100ml option may support workflows requiring greater capacity. Mining exploration laboratories should select crucible sizes according to their sample preparation procedures, equipment compatibility, and analytical targets to achieve efficient and consistent mineral testing operations.
Q6. How to configure 50ml and 100ml PFA crucible systems for high-volume gold and copper ore digestion test work?
For high-volume gold and copper ore digestion programs, laboratories should consider sample throughput, workflow organization, cleaning procedures, and inventory planning when configuring PFA crucible systems. A balanced selection of 50ml and 100ml crucibles can support different sample preparation requirements within the same laboratory operation. Proper configuration helps maintain continuous testing capacity while supporting reliable mineral analysis and metallurgical evaluation processes.
Q7. What are the differences between 50ml and 100ml PFA crucibles for different sample volume digestion procedures?
The main difference between 50ml and 100ml PFA crucibles is the applicable sample and reagent volume range within the digestion workflow. Selection should be based on laboratory requirements, digestion method, and the amount of material being processed. Mining laboratories should consider whether their applications focus on routine testing, research-scale evaluation, or higher-throughput sample preparation when choosing the appropriate crucible capacity.
Q8. How do 50ml and 100ml PFA crucible designs improve sample recovery efficiency during acid digestion processes?
PFA crucible design contributes to effective sample handling by providing a suitable container environment during acid digestion and subsequent sample transfer. Properly selected crucibles help laboratories manage dissolved samples efficiently while reducing potential sample loss during preparation steps. In mineral testing workflows, reliable sample recovery supports accurate downstream analysis and improves consistency between ore characterization, metallurgical testing, and process decision-making activities.
Q9. Can 50ml and 100ml PFA crucibles accommodate both nitric and hydrofluoric acid digestion conditions in mining laboratories?
PFA crucibles are widely considered for demanding chemical digestion applications due to their fluoropolymer material characteristics. However, suitability depends on the specific acid combination, concentration, temperature, and digestion procedure used by the laboratory. Mining laboratories should evaluate crucible compatibility according to their analytical methods, especially when performing complex mineral dissolution procedures involving strong acids for trace element and geological analysis.
Q10. How can 50ml and 100ml PFA crucibles be validated for precision trace element mineral analysis workflows?
Validation of PFA crucibles for precision mineral analysis should focus on compatibility with the laboratory digestion method, contamination control requirements, repeatability, and operational consistency. Laboratories can assess crucible performance through established quality control procedures during sample preparation and analytical testing. Proper validation helps ensure reliable digestion workflows from ore sample treatment to trace element measurement, supporting accurate data for mineral exploration and metallurgical decision-making.
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