Elemental Analyzers

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Since 1951, Rigaku has been at the forefront of analytical and industrial instrumentation technology. Rigaku and its subsidiaries form a global group focused on life sciences and general purpose analytical instru­mentation. With hundreds of major innovations to its credit, Rigaku and its subsidiary companies are world leaders in the fields of small molecule and protein crystallography, X-ray spectrometry and diffrac­tion, X-ray optics, as well as semiconductor metrology. Rigaku employs over 1,400 people globally.


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NEX OL Process Elemental Analyzer for Liquid Streams

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On-line, Real-time Analysis by Energy Dispersive X-ray Fluorescence (EDXRF)

NEX OL
NEX OL

Featuring advanced 3rd generation energy dispersive X-ray fluorescence (EDXRF) technology, the Rigaku NEX OL represents the next evolution of process elemental analysis for liquid stream applications. Designed to span from heavy industrial through to food grade process gauging solutions, the NEX OL is configurable for use in both classified and non-classified areas.

Analyze from Aluminum to Uranium

To deliver superior analytical performance and reliability, the EDXRF measuring head assembly was derived from the established Rigaku NEX QC+ high-resolution benchtop instrument. With this proven technology, the Rigaku NEX OL delivers rapid, non-destructive, multi-element analyses — from parts-per-million (ppm) levels to high weight percent (wt%) concentrations — for elements from aluminum (Al) through uranium (U). Equipped with a 50 kV X-ray tube and SDD detector — together with a standardized, optimized suite of tube filters — the Rigaku NEX OL is engineered to solve a broad range of process control applications.

Features and Benefits

  • Real-time process control by elemental analysis
  • Measure elements aluminum to uranium
  • From ppm levels to weight percent (wt%)
  • Robust NEX QC+ optics with SDD detector
  • Industrial touchscreen user interface
  • Easy empirical calibration and routine operation
  • Toolless routine maintenance
  • Multiple remote analysis heads (non-classified)
  • No dangerous radioisotopes

Coating Thickness and Composition

In addition to analyzing liquid streams, the NEX OL serves web and coil applications, with the ability to perform multi-element composition analysis for the determination of coating thickness. Typically, the head is mounted in a fixed position over a roller so that the head-to-surface distance is constant. Some of the most common applications include papers and plastics, woven and nonwoven fabrics, conversion coatings, and other surface coatings.





A Broad Range of Applications





Equipped with a 50 kV X-ray tube and SDD detector — together with a standardized, optimized suite of tube filters — the Rigaku NEX OL is engineered to solve a broad range of process control applications. Some of the most common applications include:

  • Polyethylene / PET manufacturing: TPA and PTA catalysts
  • Metal finishing: plating, pickling and pre-treatment baths
  • Mining: solvent extractions
  • Chemicals: blending additives and resins
  • Paper and plastics: release / barrier coatings, fire retardants, UV stabilizers
  • Woven and nonwoven fabrics: fire retardants, UV stabilizers
  • Metals: conversion coatings, other surface coatings
  • Petroleum: lubricating oil additives and blending
  • Pulp and paper: process water
  • Industrial: waste water


Rigaku NEX OL for Liquid Streams or Web Applications





How It Works


With X-ray fluorescence (XRF), an electron can be ejected from an inner atomic orbital by the absorption of light (photon) from an X-ray tube. An electron from a higher energy orbital transfers to fill the vacant orbital. During this transition, a photon may be emitted. Because the energy difference between two specific orbital shells is always the same for a specific element, the emitted photon will always have a unique characteristic energy (keV). At any characteristic energy, the number of photons per unit time (counts per second) detected is correlated to the concentration of that element in a process stream.



Rigaku Delivers Superior Performance Without Dangerous Radioisotopes

Globally, the petroleum industry continues to employ tens of thousands of radioisotopes in activities that range from exploration and production to distribution. The presence of these radioisotope sources, in such vast numbers, represents a statistically significant opportunity for theft and subsequent misuse. Governments worldwide now regard radiological terrorism, through the use of radiological dispersive devices (RDD) - often called "dirty bombs," to be far more likely than use of a nuclear explosive device. In the context of the recent Deepwater Horizon Incident in the Gulf of Mexico, it is incumbent on the petroleum industry to evaluate liability exposure relative to its radioisotope inventory. Whether protecting the customer base or corporate shareholders, technology now exists to largely mitigate the risk associated with previous generation isotope-based technologies. Click through to read this article:

Petro Industry News - Dirty Bomb Article

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