Dual-Channel Hydride Atomic Fluorescence Spectrometer AF-7550, 12 Elements (CAT#: STEM-AL-9632-ZJF)

The AF-7550 is a dual-channel hydride atomic fluorescence spectrometer for trace elemental analysis. The source lists As, Sb, Pb, Bi, Te, Sn, Se, Hg, Cd, Zn, Ge, and Au among the supported elements. A six-port injection valve is combined with a variable-volume quantitative tube for automated sample introduction. The system can prepare a calibration curve from a single standard point and automatically dilute overloaded samples. The listed calibration linear-correlation coefficient is at least 0.999. A two-stage gas-liquid separation arrangement is used to improve separation before fluorescence measurement. Mass-flow control provides continuously adjustable carrier-gas and shielding-gas flow. The instrument is intended to automate trace-element fluorescence workflows while reducing manual dilution and gas-flow adjustments.

Product Type: Dual-Channel Hydride Atomic Fluorescence Spectrometer
Model: AF-7550
Listed Elements: As, Sb, Pb, Bi, Te, Sn, Se, Hg, Cd, Zn, Ge, Au
Element Count: 12
Calibration Correlation Coefficient: ≥0.999
Sample Introduction: Six-Port Valve With Variable Quantitative Tube
Gas Control: Mass-Flow Control
Gas-Liquid Separation: Two Stage

Dual-Channel Fluorescence Detection
Automated Sample Dilution
Single-Point Curve Preparation
Two-Stage Gas-Liquid Separation
Continuously Adjustable Gas Flow
Trace Element Analysis