ZSX Primus IVđť’ľ

Tube-Below Sequential Wavelength Dispersive X-ray Fluorescence Spectrometer

Uncompromised X-ray analysis of liquids, alloys, and plated metals

The tube-below high-performance model enables uncompromised analysis of samples such as liquids, alloys, and plated metals. Providing superior performance with the flexibility for analyzing the most complex samples, the ZSX Primus IVđť’ľ WDXRF spectrometer features a 30 micron Be tube window, the thinnest standard tube window in the industry, for exceptional light element (low-Z) detection limits.

ZSX Primus IVi system ZSX Primus IVi with scientist loading samples ZSX Primus IVi with scientist loading samples (closeup)

ZSX Primus IVđť’ľ Overview

Vacuum (partition) system for analyzing liquids

Because the spectrometer chamber is always under vacuum, the change from vacuum atmosphere to helium atmosphere is completed in less than two minutes. Furthermore, the consumption of helium gas is significantly reduced compared to models where the spectrometer chamber must also be purged.

Improved throughput

Improved mechanics minimize the analysis dead time. For example, a 16-element sequential quantitative measurement time improved from 348 seconds to 287 seconds, representing an 18% increase in efficiency.

D-MCA high-speed analysis

The Digital Multi-Channel Analyzer (D-MCA) system facilitates high-speed digital processing for high count rates for improved analytical precision and increased throughput speeds.

Optical system not easily impacted by sample surface height variations

An uneven sample surface causes variations in the distance between the sample and the X-ray tube. These differences can lead to changes in the X-ray intensity. Rigaku optical systems enable suppression of X-ray intensity changes caused by variation in distance. This enables accurate analysis by minimizing the impact of shape differences from fusion molds used in glass bead formulation and the impact of uneven sample surfaces during pressing of powder samples.

Point/mapping analysis

Equipped with a high-resolution camera that allows the user to zoom in on small features for proper identification and analysis. Enables accurate analysis by eliminating differences in sensitivity caused by measurement placement. Superior design uses the hot-spot of the tube to maximize intensity/sensitivity.

Refined SQX analysis

SQX analysis is standardless FP analysis software for calculation of accurate elemental composition. Now easier to use than ever.

Automated center wire cleaning mechanism

The F-PC detector center wire gradually becomes contaminated by proportional counter quench gas, which diminishes resolution. The center wire cleaning mechanism enables restoration of performance by eliminating center wire contamination by means of electrical heating, with no need to shut off the power source or to open the cabinet.

Nitrogen or Helium Flush mechanism

Nitrogen gas can now be used as the atmospheric gas in place of helium. When nitrogen gas is used, the SQX analysis range is 15P to 96Cm. When measuring in nitrogen atmosphere, the standard option “SQX scattering FP method” is not applicable.

ZSX Primus IVđť’ľ Features

Assisted measurement and analysis support: ZSX Guidance
Automated analysis settings features enhanced third-generation SQX analysis software
ZSX Guidance software
Built-in XRF expertise handles sophisticated settings. Available application packages enable turn-key operations
Intuitive software programmable for everyday analysis using sample trays
Sample ID settings for each tray (facilitates easy copy-and-paste for efficient measurement setup)
Improved accuracy of liquid sample analysis
Correction of geometry effect caused by geometry of liquid sample cups
High-speed, high-precision measurements
Efficiency of the new drive sequence decreases instrument overhead time
Unique functionality
The tube-below optics enables convenient functionality, including new sample film corrections

ZSX Primus IVđť’ľ Videos

ZSX Primus IVđť’ľ Specifications

Technique Wavelength dispersive X-ray fluorescence spectrometer (WDXRF)
Benefit Elemental analysis of solids, liquids, powders, alloys and thin films
Technology Tube-above sequential WDXRF
Attributes End window type Rh target 4 or 3 kW, 54-position autosampler, analyze Be to Cm, vacuum
Options He-flush
Additional analyzing crystals
r-θ stage/mapping
Computer External PC, MS Windows OS, ZSX software
Dimensions 840 (W) x 1440 (H) x 980 (D) mm
Mass Approx. 600 kg (core unit)
Power requirements 3-phase 200/208 V 40 A 50/60 Hz

ZSX Primus IVđť’ľ Options

The following accessories are available for this product:

Holderless Solution

This option can be added to the ZSX Primus IVi X-ray fluorescence (XRF) spectrometer to automatically transport samples from the ASC (Auto Sample Changer) tray, supporting continuous measurement and automation.

ZSX Primus IVđť’ľ Application Notes

The following application notes are relevant to this product

  • XRF1131 - Standardless FP Analysis of Lithium-ion Battery Cathode Material LiFePOâ‚„ by ZSX PrimusIV

  • BATT0004 - Chemical Composition Analysis of NMC Cathode

  • BATT0001 - Battery Material Development

  • WDXRF1099 - Trace Element Analysis in Geological Samples by the Pressed Powder Method, using GEO-TRACE-PAK

  • WDXRF1085 - Trace Element Analysis for Water Solution by Micro-droplet Method using Ultra Carry Filter Paper

  • WDXRF1106 - Sulfur Analysis in Petroleum Products by WDXRF according to ASTM D2622-16

  • WDXRF1108 - Sulfur Analysis in Crude Oil and High-sulfur Fuels by WDXRF according to ASTM D2622-16

  • WDXRF1102 - Standardless FP Analysis of Plant, Animal and Food Samples Applying Correction by Scattering Line

  • WDXRF1084 - Mapping and Small Spot Analysis with a General-Purpose XRF Spectrometer

  • WDXRF1105 - Lubricating Oil Analysis by WDXRF According to ASTM D6443-14

  • WDXRF1117 - Lead Analysis in Gasoline — ASTM D5059-21 — using WDXRF ZSX Primus IVđť’ľ

  • WDXRF1101 - Fused Bead Analysis for Refractories using Application Package Refractory Series

  • WDXRF1100 - Fused Bead Analysis for Wide Concentration Ranges of Various Oxide Materials using OXIDE-FB-PAK

  • WDXRF1092 - Fixed Angle Measurement using the Semi-Quantitative Analysis Function SQX of ZSX Guidance Software

  • WDXRF1086 - Boron and Fluorine Quantitative Analysis for Water Solution by Micro-droplet Method using Ultra Carry Filter Paper

  • WDXRF1091 - Beryllium Analysis in Beryllium Copper Alloy using ZSX Primus IV with RX85

  • WDXRF1109 - Automatic Quant Application Setup Applied to Calibrating Coal Fly Ash Fused Beads

  • WDXRF1104 - Analysis of S, Fe, Ni and V in Residual Oil According to IP610/13

  • WDXRF1107 - Analysis of Low-concentration Sulfur in Petroleum-based Fuels by WDXRF According to ASTM D2622-16

ZSX Primus IVđť’ľ Resources

Webinars

Analysis of Hazardous Heavy Elements in Soil and Sediment Watch the Recording
A Non-Destructive XRF Technique for Rapid and Easy Screening of Residual Catalysts in APIs and Intermediates Watch the Recording
Quality control of API potency, excipient blend uniformity, and heavy metals impurities by non-destructive and direct analysis of intact pills by XRF Watch the Recording

Rigaku Journal articles

adobeWavelength dispersive X-ray fluorescence spectrometer ZSX Primus IVi Read the Article
adobeSample preparation for X-ray fluorescence analysis V. / Fusion bead method—part 2: practical applications Read the Article
adobeSample preparation for X-ray fluorescence analysis IV./ Fusion bead method―part 1 basic principals Read the Article
adobeSample preparation for X-ray fluorescence analysis III. Pressed and loose powder methods Read the Article
adobeSample preparation for X-ray fluorescence analysis II. Pulverizing methods of powder samples Read the Article

ZSX Primus IVđť’ľ Events

Learn more about our products at these events

  • IEEE-IAS/PCA Cement Conference 2025
    May 3 2025 - May 7 2025
    Birmingham, AL, USA
  • Rigaku Battery Forum 2025
    June 23 2025 - June 24 2025
    Neu-Isenburg, Germany
  • FEMS Euromat 2025
    September 13 2025 - September 17 2025
    Granada, Spain
  • Trollbroken XRF Sweden Conference 2025
    September 15 2025 - September 16 2025
    Göteborg, Sweden
  • Gulf Coast Conference 2025
    October 13 2025 - October 14 2025
    Galveston, TX, United States
  • CONGRESO GEOLĂ“GICO DE ESPAĂ‘A 2025
    November 4 2025 - November 6 2025
    Zaragoza, Spain

Contact Us

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