Unicam AA spectrometer 939 QZ (Refurbished)

• Product: Unicam 939 QZ Atomic Absorption Spectrometer
• Manufacturer: UNICAM  Ltd., Cambridge, Velká Británie (later acquired by Thermo Scientific)
• Serial number: GE 424990
• Accessories: GF90 Furnace, FS90 Furnace Autosampler

The Unicam 939 QZ is a atomic absorption (AA) spectrometer designed for precise trace element determination. With its graphite furnace (GF90) and automated autosampler (FS90), it provides sensitive and reproducible measurements across a wide range of applications in environmental, clinical, food, and industrial laboratories.

Key Features

• High-sensitivity AA spectrometer with Zeeman background correction (QZ)
• GF90 graphite furnace for ultra-trace elemental detection
• FS90 autosampler for fully automated sample introduction
• Reliable quantification of metals in complex matrices
• Designed for flexibility in research and routine analysis
• Robust build with proven long-term stability

Technical Specifications

• Model: Unicam 939 QZ AA Spectrometer
• Detection Principle: Atomic Absorption Spectroscopy (AAS) with Zeeman correction
• Accessories: GF90 Furnace, FS90 Autosampler
• Typical Applications: Environmental monitoring, food and beverage, metallurgy, pharmaceuticals, clinical samples

The last preventive inspection and calibration of the device were performed in April 2020 (see the attached inspection report); the device has not been used since then.