Category
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Order Code |
Product Name |
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L-02-01-M05 |
Karl Fischer Moisture Titrator for Mining Laboratory and Hydrometallurgical Testing | FKN PANDA |
This Karl-Fischer moisture titrator operates based on the coulometric Karl-Fischer principle for trace-to-wide-range water-content determination. It supports direct testing of liquids, soluble solids and gas samples, providing reliable moisture measurement solutions for mining laboratories, metallurgical testing facilities and hydrometallurgical applications.
For insoluble solids, cross-contamination-sensitive matrices, reactive substances or samples with slow water release, the instrument can work together with an external Karl-Fischer oven to complete water-release processing before measurement.
The system features automatic drift compensation and blank-value subtraction to reduce background moisture interference. Equipped with a color touch-screen interface, customizable sample numbering, 1000-record data storage and a built-in thermal printer, it improves laboratory workflow efficiency while maintaining measurement reliability.
Within mining-related laboratories, this moisture analysis instrument supports sample preparation, mineral analysis and metallurgical testing workflows. It provides cost-effective water-content testing capability for mine-site laboratories, research facilities and industry distributors.
The Karl-Fischer moisture titrator determines residual moisture in soluble inorganic mineral salts and other mineral-derived substances after sample pre-treatment. It also supports moisture monitoring of organic process solvents used in ore extraction and purification workflows to verify reagent quality before analytical or metallurgical testing.
The instrument measures moisture content of soluble mineral salt samples and process-related organic liquids. Water-content data supports mineral-property characterization and quality screening of mineral-processing auxiliary materials.
During metallurgical laboratory testing, the system measures moisture content in process oils, organic solvents and electrolyte-type materials used in experimental process loops. For insoluble mineral powders, metal powders and ceramic powders, a matched Karl-Fischer oven is required for complete water release before measurement.
The instrument is suitable for analyzing moisture content in organic extractants and electrolyte solutions used in hydrometallurgical workflows. Strongly reactive mineral-matrix samples should use the supporting Karl-Fischer oven setup to avoid unwanted chemical reactions inside the titration cell.
The system is also suitable for moisture analysis of organic chemicals, insulating oils, pharmaceutical raw materials, pesticide emulsifiers, lithium-battery electrolytes, soluble solids and gas samples. Insoluble solids from powder-material applications require auxiliary Karl-Fischer oven hardware.
Based on the strict coulometric Karl-Fischer measurement principle, the system integrates automatic drift compensation and blank-value deduction to reduce interference from ambient background moisture. Defined accuracy specifications across different water-content ranges help minimize measurement deviation during low-level moisture testing.
Fault self-check prompts assist operators in identifying abnormal conditions quickly. Adjustable electrolysis current and stepless touch-controlled stirring support different sample matrices. Multiple endpoint notification methods, including screen prompts, printing, audio alarms and indicator lamps, reduce the risk of missed measurement completion during busy laboratory operations.
Customizable sample numbering and internal storage capacity for up to 1000 test records simplify data management. The built-in 56 mm high-speed low-energy thermal printer generates configurable reports with date-time information, while automatic unit conversion among %, ppm and mg/kg reduces manual calculation requirements.
The moisture titrator directly handles liquids, soluble solids and gas samples. For insoluble mineral powders, ceramic powders, contamination-sensitive materials or chemically reactive specimens, it can be combined with a Karl-Fischer oven to support diversified sample testing requirements in mineral-processing laboratories.
The compact bench-top design reduces laboratory space requirements. The main unit covers conventional liquid, soluble-solid and gas moisture testing tasks, while the optional Karl-Fischer oven can be added only when specific insoluble-solid applications require additional sample treatment capability.
| Parameter | Specification |
|---|---|
| Measuring Principle | Karl-Fischer coulometric method |
| Maximum Measuring Speed | 40 μg H₂O / s |
| Measuring Range | 0.1 μg-350 mg |
| Measurement Accuracy | Error ≤ ±2 μg for 100 μg-1000 μg water content; error ≤ ±0.2% above 1000 μg water content; standard-ratio deviation ≤0.3% |
| Measurement Resolution | 0.1 μg H₂O |
| Water Content Concentration Range | 0-100% |
| Electrolysis Current | 0-400 mA adjustable |
| Moisture Concentration Resolution | 0.0001 |
| Concentration Units | %, ppm, mg/kg |
| Stirring Speed | Stepless touch-screen adjustment |
| Drift Value & Blank Value Handling | Automatic deduction |
| Special Functions | Automatic drift compensation, automatic ambient-background moisture deduction, fault self-check prompt |
| Operation & Display | Color touch screen |
| Sample ID | User-definable sample numbering |
| Data Storage | 1000 records |
| Printing | Built-in low-energy high-speed thermal printer, 56 mm paper width |
| Calendar & Time | Current date-time display and printing |
| Endpoint Indication | Screen prompt, print-out, audio alarm, endpoint indicator lamp |
| Operating Environment | Temperature 2℃-50℃, humidity <90% |
| Power Consumption | ≤50 W |
| Main Unit Dimension | 350 mm × 220 mm × 185 mm |
| Power Supply | 220 V, 50 Hz, 150 W |
| Weight | Net weight 4 kg; packed weight 7 kg |
An external Karl-Fischer oven can be added for insoluble solids, cross-contamination-prone materials, reactive samples and specimens with slow water release characteristics.
FKN PANDA provides laboratory analytical instruments for international mine-site laboratories, hydrometallurgical test facilities, mineral-processing teams and regional distributors. This coulometric Karl-Fischer moisture titrator addresses moisture determination requirements for solvents, electrolytes, soluble mineral salts and related auxiliary materials commonly used in mining laboratories.
We understand that mining laboratory samples vary significantly in physical properties and chemical behavior. Directly injectable liquids and soluble solids can be measured using the main titrator unit, while insoluble mineral powders and reactive matrices can be supported through optional Karl-Fischer oven integration.
Beyond equipment supply, FKN PANDA provides practical application support for mineral-derived sample moisture testing. We support end-user laboratories, mineral-project procurement and distributor orders with reliable moisture-analysis hardware designed for mineral-processing laboratory workflows.
Q1. How can a Karl Fischer moisture titrator improve moisture measurement for mineral concentrates?
A Karl Fischer moisture titrator provides a dedicated analytical method for determining water content in mineral concentrates and metallurgical samples. Accurate moisture measurement is important for sample characterization, process evaluation, and mass-balance calculations in mining laboratories. Compared with traditional drying methods, Karl Fischer titration can help laboratories analyze moisture in materials where water loss during heating may affect results, supporting more reliable mineral testing workflows.
Q2. Should volumetric or coulometric Karl Fischer titration be selected for a mining laboratory?
The selection between volumetric and coulometric Karl Fischer titration depends on the expected moisture range, sample characteristics, and laboratory testing requirements. Mining laboratories should consider the moisture level of concentrates, mineral powders, and process materials when choosing a suitable method. Evaluating sample types, testing frequency, and analytical objectives helps ensure that the selected configuration matches routine mineral analysis and metallurgical research applications.
Q3. How can moisture analysis support mass-balance calculations in mineral processing experiments?
Moisture analysis provides essential water content data for calculating accurate material balances during mineral processing experiments. In laboratory workflows involving flotation tests, leaching studies, roasting experiments, or concentrate evaluation, moisture content affects the relationship between wet sample weight and dry material quantity. Reliable moisture measurement helps metallurgical engineers improve data interpretation during process evaluation and technical decision-making.
Q4. How should hygroscopic ore samples be collected and sealed before moisture testing?
Hygroscopic mineral samples should be collected and stored carefully to minimize moisture exchange with the surrounding environment before analysis. Proper sample handling, sealing, and transfer procedures are important because external humidity can influence measured moisture values. In mining laboratories, consistent sample collection and preparation practices help ensure that Karl Fischer results accurately represent the original material condition.
Q5. What sample preparation is required for fine concentrates with uneven moisture distribution?
Fine concentrates with uneven moisture distribution require representative sampling and appropriate preparation before Karl Fischer analysis. Homogenization and careful handling help reduce variation caused by localized moisture differences within the sample. For mineral concentrates, tailings materials, and metallurgical products, consistent preparation procedures support repeatable moisture measurements and improve the reliability of laboratory testing results.
Q6. How can a Karl Fischer moisture titrator reduce drying loss errors in mineral laboratory analysis?
A Karl Fischer moisture titrator can reduce errors associated with conventional drying methods by directly measuring water content through chemical titration. Some mineral materials may contain volatile components or moisture that is difficult to evaluate accurately through heating procedures. By applying a suitable moisture analysis method, laboratories can obtain more representative data for mineral characterization, process studies, and quality control activities.
Q7. What factors affect the accuracy of Karl Fischer moisture results for porous minerals?
Moisture measurement accuracy for porous minerals can be affected by sample homogeneity, water release behavior, environmental humidity, sample handling, and measurement conditions. Some materials may retain moisture within pores or release water gradually during analysis. Mining laboratories should establish appropriate preparation and testing procedures to ensure consistent results for concentrates, powders, and other mineral processing materials.
Q8. How can Karl Fischer moisture testing support leaching, roasting, and calcination laboratory experiments?
Karl Fischer moisture testing supports metallurgical experiments by providing accurate water content information before and after process steps such as leaching, roasting, and calcination. Moisture can influence reagent consumption, thermal behavior, and material characteristics during laboratory studies. Reliable moisture data helps engineers better evaluate experimental conditions and compare results throughout the mineral testing and metallurgical evaluation process.
Q9. How should laboratories select a Karl Fischer moisture titrator for a new metallurgical testing center?
When selecting a Karl Fischer moisture titrator for a new metallurgical testing center, laboratories should consider sample types, expected moisture ranges, testing workload, operational requirements, and future expansion plans. Important considerations include compatibility with mineral samples, workflow efficiency, and quality-control requirements. The selected instrument should support the laboratory’s overall process from sample preparation and mineral testing to metallurgical evaluation.
Q10. What quality-control checks are needed for Karl Fischer moisture analysis?
Quality control for Karl Fischer moisture analysis typically involves verification of reagent performance, blank measurements, calibration procedures, and recovery checks according to laboratory requirements. Consistent quality-control practices help maintain reliable analytical results during continuous operation. For mining laboratories analyzing concentrates, process materials, and metallurgical samples, proper validation procedures are important for supporting accurate moisture data and technical decision-making.
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