Micro-Z ULS
Ultra Low Sulphur Analyser
- Ultra-low sulphur determination in petroleum fuels
- WDXRF technology with monochromatic excitation
- Detection limit below 0.1 ppm S
- Compliant with ASTM D2622 and ISO 20884
- No sample preparation — direct liquid measurement
Product Overview
The Rigaku Micro-Z ULS is an ultra-low-sulphur wavelength dispersive X-ray fluorescence (WDXRF) analyser specifically designed for the determination of total sulphur content in petroleum fuels at concentrations from sub-ppm to percent levels. The Micro-Z ULS meets the analytical requirements of ASTM D2622 and ISO 20884 for sulphur in fuel, providing the precision and accuracy needed for regulatory compliance.
Ultra-low sulphur regulations for transportation fuels have made accurate sulphur measurement at the single-digit ppm level essential for refineries, pipeline operators, fuel terminals and regulatory testing laboratories worldwide. The Micro-Z ULS’s dedicated design, optimised crystal analysers and advanced sample handling deliver the lowest possible detection limits for sulphur by XRF, ensuring compliance with increasingly stringent environmental regulations.
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Technical Specifications
| Technique | Monochromatic WDXRF |
| Element | Total Sulphur |
| Detection Limit | <0.1 ppm S |
| Range | 0–5% S |
| Excitation | Monochromatic X-ray |
| Sample | Direct liquid, no preparation |
| Compliance | ASTM D2622, ISO 20884 |
| Analysis Time | ~200 seconds |
| Calibration | Liquid standards |
| Power | Single-phase 100–240 V / 50–60 Hz |
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