X-ray fluorescence (XRF) spectrometers

Polarized Cartesian geometry for trace level sensitivity

Unlike conventional EDXRF analyzers, the NEX CG was engineered with a unique close-coupled Cartesian Geometry (CG) optical kernel that dramatically increases signal-to-noise. By using secondary target excitation, instead of convention direct excitation, sensitivity is further improved. The resulting dramatic reduction in background noise, and simultaneous increase in element peaks, result in a spectrometer capable of routine trace element analysis even in difficult sample types.

Novel software reduces the need for standards

NEX CG is powered by a new qualitative and quantitative analytical software, RPF-SQX, that features Rigaku Profile Fitting (RPF) technology. The software allows semi-quantitative analysis of almost all sample types without standards — and rigorous quantitative analysis with standards.

Features

Analyze ¹¹Na to ⁹²U non-destructively
Solids, liquids, powders and thin films
Polarized excitation for lower detection limits
Novel treatment of peak overlap reduces errors
PPB detection limits for aqueous samples using UltraCarry
Simplified user interface with EZ Analysis

Excitation

X-ray tube with Pd anode
50W max power
50kV max voltage
Four standard polarization and secondary targets depending
on application, for optimum excitation
Optional fifth target for optimal excitation of Na and Mg

Detector

High performance SDD
Peltier electronic cooling
Large active detection area
Optimum balance of spectral resolution and high
count rate

Sample Chamber

Large 38 cm diameter x 10 cm deep sample chamber for bulk
samples
15-position automatic sample changer (32mm sample cups)
10-position automatic sample changer (35-40mm sample cups
and pellets)
9-position automatic sample changer with sample spinner
Analysis in air, helium purge, or vacuum

Environmental Conditions

Ambient temperature 18-28ºC (65-82ºF)
Relative humidity ≤75%
Vibration: undetectable by people
Free from corrosive gas, dust and particles

Computer

External PC computer system
Microsoft® Windows Vista® operating system
Keyboard and mouse
Monitor
Printer

Software & Application Packages

Menu-based software for control of spectrometer functions and data analysis
Application templates
Simple flow bar wizard to create your own methods
RPF-SQX FP for qualitative and quantitative analysis
Matching Library for augmentation of FP
Automatic spectral overlap deconvolution
Empirical calibration with overlap and matrix compensation

Spectrometer Data

Single phase AC 100/220V, 15/7A (50/60 Hz)
Dimensions: 60(W) X 60(D) X 40(H) cm (23.6 X 23.6 X 15.7 inch)
Weight: 80 kg (176 lbs)

Options

Fifth secondary target for optimum excitation of Na and Mg
9-position automatic sample changer with sample spinner
Vacuum system
Uninterruptible power supply (UPS)
10-position automatic sample changer