ASTM E507: Ferrocolumbium Niobium Chemical Analysis Testing Services
ASTM E507-13 explains the determination of aluminum in iron ores, concentrates, and agglomerates. Aluminum is determined in such materials in a mass fraction (%) range from 0.1 to 5. The values are stated in SI units as they are considered standard units.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is ASTM E507 Ferrocolumbium Niobium Chemical Analysis?
ASTM E507 – 13 specifies a flame atomic absorption spectrometric (FAAS) method for determining aluminum content in iron ores. The method involves dissolving the sample, atomizing it in a flame, and measuring aluminum concentration based on light absorption at a characteristic wavelength.
This standard is widely used for accurate quantification of aluminum, which significantly influences iron ore processing and metallurgical behavior. Reliable aluminum determination helps optimize smelting conditions, control slag formation, and ensure consistent raw material quality for efficient industrial operations.
Applications and Benefits of ASTM E507 Ferrocolumbium Niobium Chemical Analysis Testing
Scope
ASTM E507 outlines a quantitative analytical method for determining aluminum in iron ores using flame atomic absorption spectrometry. It ensures accurate measurement under controlled laboratory conditions.
- Applicable to iron ores and related materials
- Suitable for aluminum determination at various concentration levels
- Based on atomic absorption spectrometric principles
- Enables precise and reproducible analysis
Applications
- Iron ore quality control
- Metallurgical process optimization
- Raw material evaluation
- Mining and beneficiation studies
- Laboratory chemical analysis
Benefits
- High sensitivity and selectivity for aluminum
- Reliable and reproducible results
- Suitable for routine laboratory testing
- Faster than traditional wet chemical methods
- Supports process efficiency and control
Our ASTM E507 Testing Procedure
Sample Dissolution
Dissolve iron ore sample using suitable acids to bring aluminum into solution.
1Sample Preparation
Dilute and condition the solution to match calibration standards and minimize interferences.
2Atomic Absorption Measurement
Aspirate sample into flame and measure aluminum absorbance at specific wavelength.
3Concentration Calculation
Determine aluminum content using calibration curve and corrected absorbance values.
4ASTM E507 Test Parameters and Requirements
| Parameter | Details |
|---|---|
| Standard | ASTM E507 – 13 |
| Method | Flame atomic absorption spectrometry (FAAS) |
| Analyte | Aluminum (Al) |
| Sample Type | Iron ore and mineral samples |
| Extraction Type | Acid digestion of solid sample |
| Detection Range | ppm to percentage levels |
| Wavelength | Characteristic Al absorption wavelength |
| Units | Percentage (%) or ppm Al |
- Atomic absorption spectrometer (flame type)
- Air-acetylene or nitrous oxide-acetylene flame system
- Analytical balance
- Volumetric glassware
- Digestion apparatus (hot plate or microwave system)
Equipment and Instrumentation Used for ASTM E507 Testing
What You Receive: Test Report, Data, and Certification
- Aluminum concentration (% or ppm)
- Calibration curve and absorbance data
- Test conditions and instrumental parameters
- Interference correction details
- Final analytical report
ASTM E507 Ferrocolumbium Niobium Chemical Analysis FAQs
FAAS uses a specific wavelength absorbed only by aluminum atoms. By isolating this wavelength and using proper background correction, the method minimizes interference from iron and other elements present in complex ore matrices.
Complete dissolution ensures all aluminum is available in solution for measurement. Incomplete digestion leads to underestimation, especially in ores where aluminum is bound within silicate or refractory mineral phases.
High iron content and other elements can suppress or enhance absorption signals. ASTM E507 addresses this through calibration standards, dilution, and sometimes releasing agents to maintain accurate quantification.
Sensitivity depends on flame type, fuel composition, burner alignment, and instrument calibration. Optimized conditions ensure consistent atomization and accurate absorbance readings.
Modern instruments with automated calibration, improved detectors, and enhanced background correction increase accuracy, efficiency, and reliability of aluminum determination.
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At the core of this breadth is our network of 2,000+ accredited laboratories across the USA, offering access to over 10,000 testing methods and analytical services. From advanced materials characterization (SEM, TEM, RBS, XPS) to mechanical, chemical, environmental, biological, and standardized ASTM/ISO-compliant testing, we deliver unmatched flexibility, specialization, and scale. You are never limited by geography, facility, or methodology — Infinita Lab connects you to the right expertise and testing solution, every time.
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