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Atomic Absorption Spectroscopy (AAS)

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ZA4000 Series Polarized Zeeman Atomic Absorption Spectrophotometer

Experience the next generation of elemental analysis with the Hitachi ZA4000 Series. Designed for laboratories that demand unwavering precision and high throughput, the ZA4000 combines Hitachi’s legendary Polarized Zeeman Correction with a unique Dual Detector method to deliver unmatched sensitivity and baseline stability. Whether you are conducting cutting-edge research or managing rigorous quality control, the ZA4000 provides the speed and reliability needed to excel in diverse fields such as environmental testing, food safety, and material science.

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Overview

 

Superior Background Correction (Polarized Zeeman Method)

Unlike conventional D2 lamp correction, the Polarized Zeeman Correction method uses a permanent magnet to provide a stabilized baseline across the entire wavelength range (190 nm to 900 nm).

  • Effectively suppresses interference from coexisting materials and spectral overlaps.
  • Achieve a stable baseline immediately after turning on the hollow cathode lamp—no long warm-up times required.
  • Works for all elements, including those in the visible range like Sodium and Potassium

Enhanced Sensitivity with Dual Detector Method

The ZA4000 employs two independent detectors to sample light and reference signals simultaneously. This dual-path optical system significantly reduces noise, allowing for the detection of trace elements at extremely low concentrations with high reproducibility.

Maximum Throughput: New Rapid Sequential Mode

Specifically designed for the flame method, the new Rapid Sequential (RS) mode (available on the ZA4800 model) revolutionizes laboratory efficiency.

  • Fast Analysis: Sequentially analyze multiple elements (up to 12) from a single sample injection.

  • 30% Faster Results: Drastically reduces total measurement time and gas consumption compared to traditional single-element methods.

  • Reduced Workload: Minimizes manual sample handling, allowing for high-volume automated analysis.

Versatile Applications

The Hitachi ZA4000 Polarized Zeeman Atomic Absorption Spectrophotometer is the trusted choice for:

  • Environmental Protection: Analyzing toxic heavy metals in river water, soil, and industrial waste.

  • Food & Beverage: Testing for mineral content and contaminants in food products and animal feed.

  • Quality Management: Essential for lithium-ion battery materials, plating liquid analysis, and impurity testing in paints or chemicals.