Conquer every dispersion - from transparent to jet-black.
See more than UV/Vis/NIR.
Experience unmatched analytical power with the LUMiReader® X-Ray 440, designed for precise characterization of even the most challenging inorganic formulations and products. This cutting-edge instrument provides deep insight into particle dispersibility, size distribution, and dispersion stability, revealing the complete consolidation fingerprint of your sample: all in real time and at original concentration.
From particles and droplets to complex emulsions and pastes, the LUMiReader® X-Ray measures size distributions even at higher concentrations, ensuring accuracy where UV/Vis/NIR may not help. Perform direct stability testing under real conditions or accelerate your studies with elevated temperatures between 15 °C up to 60 °C.
Gain a detailed understanding of separation velocity distributions, determine volume concentration, sediment height and cream layer formation, and identify concentration gradients within sediments, all with unmatched precision. Whether working with suspensions, emulsions, powders or flat solid objects, no matter if transparent or completely black and opaque, the LUMiReader® X-Ray enables you to see far beyond the limits of UV/Vis/NIR methods in inorganic formulations.
Highlights
- Particle dispersibility, sizing, dispersion stability & consolidation fingerprinting.
- Particle & droplet size distribution also for higher concentrations.
- Direct real-time stability testing in original concentration.
- Accelerated stability testing by higher temperature: 15 °C to 40°C, specific applications have successfully been tested at 60 °C (with thermostat)
- Separation velocity distribution
- Determine sediment height & height of cream layers.
- Identify concentration gradients in sediments and calculate the volume concentration.
- Analyse dispersions, emulsions, pastes, solutions, powders, flat solid objects, ...
- From transparent to black samples - see more than UV/VIS/NIR in inorganic formulations.
- Closed sample cells - easy operation.
- Conformity: ISO 13317-3, ISO 18747, ISO/TR 13097, ISO/TR 18811, CFR 21 Part 11
*Type approval according to German X-ray ordinance (PTB 1/25 V StrlSchG)
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STEP-Technology®
The LUMiReader® X-Ray is a gravity particle and dispersion analyser: to study dispersability, stability, separation, and consolidation phenomena for completely transparent to completely opaque emulsions or suspensions. For the first time, X-rays illuminate your sample instantaneously from top to bottom. Solve your most challenging inorganic material problems with complete insight. Go places light cannot.
Our patented solution combines X-ray vision with the proven STEP-Technology®, permitting highest spatial resolution, short sampling intervals and powerful
detection technique. The LUMiReader® X-Ray creates monochrome and parallel X-rays with the help of a special crystal, which transmits the entire sample cell of 20 mm height.
The X-ray line detector records the transmitted beam, giving an unprecedented resolution. Instantaneous transmission profiles across your whole sample are converted into stability and separation rates. Particle concentration, sediment packing density can also be calculated based on the extinction profiles.
The obtained Space- and Time-resolved Extinction Profiles across your whole sample are converted into concentration gradients as well as stability and separation rates. Particle size distribution, particle density, volume concentration and sediment packing density can also be calculated based on the extinction profiles 4 - 7 .
The LUMiReader® X-Ray allows you to characterize and optimize particle, formulation and product properties, from dispersibility via stability & separation to the quantification of separated phases and solid matrices.
Regardless of the shape or concentration of your dispersed particles and droplets. In-situ, real-time, non-invasive and non-destructive.
Typical applications are cosmetics, pharmaceutics, paint & pigments, construction materials and fillers, as well as mining, ceramics and petrol industry dealing with complex emulsions, slurries and sludges.
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Particle sizing with the LUMiReader X-Ray®
Particle sizing of inorganic materials with the LUMiReader® X-Ray (LRX), all advantages of separating techniques apply, is based on monochrome X-ray transmission, providing a
powerful alternative to optical methods that struggle with opaque or highly concentrated dispersions. By applying Lambert-Beer’s law, the instrument translates X-ray attenuation
into direct information about the volume concentration of suspended particles, even in samples that are impenetrable to visible or near-infrared light.
Analysis of particle size distribution follows ISO 13317-3:2001 “Determination of particle size distribution by gravitational liquid sedimentation methods; Part 3: X-ray gravitational technique”. Display the raw data and apply several fit functions.
Advantages of particle sizing with LRX
- Particle and droplet sizing over whole sample (STEP).
- True raw data – direct physical measurement.
- From nm to µm same principle.
- Multimodal systems with high resolution.
- Higher concentrations than other techniques.
- No restrictions regarding liquid continuous phase (closed cell).
- No refractive indices required for volume-weighted particle size distribution.
Applications
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We are happy to advise you on the LUMiReader® X-Ray.
Downloads & Technical facts
Technical facts LUMiReader® X-Ray
| Measurement principle | Monoenergetic X-ray attenuation / transmission |
| Phase separation | Low to high concentrated dispersions (transparent or opaque) |
| In situ sediment analysis | Packing density & structure |
| Stability analysis observation time | 1 s to ∞ |
| Particle size distribution range | 70 nm to 100 µm |
| Consolidation measurements | Typically 10 seconds, also in combination with LUMiFuge & LUMiSizer |
| Conformity | ISO 13317-3, ISO 18747, ISO/TR 13097, ISO/TR 18811, CFR 21 Part 11 |
| Samples | Suspensions, emulsions, suspo-emulsions, sludges, slurries, foams, chemical solutions, solid flat objects, powders |
| Channels | One |
| Volume | 0.2 ml to 1.5 ml |
| Dispersion concentration | 0.015 Vol% to 75 Vol% |
| Radiation source | Molydenum X-ray tube, 17.48 keV |
| Temperature control | 15 °C to 40°C, specific applications have successfully been tested at 60 °C (with thermostat) |
| Cells | Different materials, optical pathlength 1 mm – 10 mm |
| Dimensions (WxHxD), Weight | 47 x 24 x 52 cm, 25 kg |
| Power supply | Main power connection = 24 V DC, power consumption max. 9.2 A / 221 W |
| Safety |
Directive 2013/59/EURATOM Full protection device according to § 21 StrlSchV |
| Radiation control requirements |
none* *Type approval according to German X-ray ordinance (PTB 1/25 V StrlSchG) |
