Laboratory Analysis and Technical Specifications
To ensure complete transparency and provide our customers with the highest level of confidence, every production lot may be submitted to comprehensive laboratory analysis performed using internationally recognized analytical methodologies.
The rhodium currently available for commercial supply has been analyzed by ASIC Services – Alex Stewart International, one of the world’s leading independent inspection, testing and certification companies, with the following analytical results:
Chemical Composition
Element Result
Rhodium (Rh) 99.08%
Platinum (Pt) 0.21%
Palladium (Pd) 0.11%
Ruthenium (Ru) 0.02%
Iridium (Ir) 0.02%
Gold (Au) <0.005%
Osmium (Os) <0.005%
Iron (Fe) <0.010%
Copper (Cu) <0.005%
Nickel (Ni) <0.005%
Lead (Pb) <0.002%
Zinc (Zn) <0.003%
Aluminum (Al) <0.005%
Silicon (Si) <0.005%
The laboratory confirmed a certified rhodium purity of 99.08%, with only trace concentrations of other platinum group metals and extremely low levels of base-metal impurities, demonstrating the high quality of the refining process. LAUDO RH_2445_26.pdf
⸻
Physical Characteristics
The analyzed material presents the following physical properties:
* Appearance: Gray metallic powder
* Certified Purity: 99.08% Rh
* Moisture: 0.03%
* Bulk Density: 3.45 g/cm³
* Tap Density: 5.28 g/cm³
* Average Particle Size (D50): 15 µm
* Particle Size Range: 5–45 µm
* Magnetic Materials: None Detected
* Insoluble Residue: Less than 0.01% LAUDO RH_2445_26.pdf
⸻
Particle Size Distribution
The particle size distribution was determined by laser diffraction, resulting in:
Particle Size Percentage
<10 µm 21%
10–20 µm 49%
20–45 µm 27%
>45 µm 3%
This controlled granulometric distribution provides excellent consistency and makes the material suitable for high-performance industrial applications, including catalyst manufacturing, advanced chemical processing, electronics, aerospace components, specialty alloys, and other high-value technological applications. LAUDO RH_2445_26.pdf
⸻
Analytical Methodology
The laboratory analyses were performed using internationally accepted methodologies, including:
* ICP-MS (Inductively Coupled Plasma Mass Spectrometry)
* ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry)
* X-Ray Fluorescence (XRF)
* Fire Assay
* Laser Particle Size Analysis (ISO 13320)
* Gravimetric Moisture Determination
Sampling procedures comply with ISO 12743, while laboratory testing follows ISO/IEC 17025 quality procedures. Additionally, the material successfully passed the natural background radiation verification. LAUDO RH_2445_26.pdf
Comments