Mass spectrometer

Dual-Focus Thermal Ionization Mass Spectrometer (TDF-TIMS) - High Precision Ionization for Mass Spectrometry

Explore the advanced Dual-Focus Thermal Ionization Mass Spectrometer (TDF-TIMS), designed for precise isotope ratio analysis, geochemical applications, and high-precision thermal ionization mass spectrometry. Ideal for applications in geochemistry, nuclear science, and more.

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Product Details

The TDF-TIMS is a revolutionary thermal ionization mass spectrometer with a double focusing mass analyzer for superior performance. It offers unparalleled sensitivity, stability, and precision, making it ideal for isotope ratio analysis, material testing, and scientific research in various fields.

Product features:

1. Magnetoelectric double focusing: breaking through traditional thinking, it is the first thermal mass spectrometer using magnetic-electric double focusing mass analyzer. The additional electrostatic analyzer not only overcomes the influence of accelerated high-voltage ripple, but also enhances the system stability, showing extremely excellent performance in actual sample analysis.

2. High-precision measurement: As a mass spectrometer for high-precision isotope ratio measurement, TDF-TIMS can fully meet the analytical needs of various fields. In the measurement of Sr, Nd and other isotope ratios, the measurement precision can reach ppm level.

3. Automatic analysis: TDF-TIMS ion source can accommodate up to 21 stations single/double filament sample tape, the motor with absolute value encoder can precisely control the position of each sample tape, with ion lens parameters automatically tuned, can achieve automatic sample analysis.

Technical indicators:

1. Vacuum: ion source ≤5e-8 mbar (cold trap); Analysis chamber ≤5e-9 mbar;

2. Abundance sensitivity: ≤ 2ppm without blocking filter; The filter with block is ≤5ppb;

3. Faraday Cup amplifier performance: dynamic range 0-50V (positive and negative ion mode); Noise ≤20μVrms(11 power high resistance, 4s integral); Baseline drift ≤1e-16 A/h;

4. Ion counter performance: counting noise ≤10cpm; Detection efficiency ≥90%;

5. Accuracy: Internal accuracy RSE < 5ppm (Sr, Nd), external accuracy RSD < 5ppm (Sr, Nd);

6. Stability: magnetic field stability is better than ±25 ppm/min; System stability is better than ±30 ppm/min;

7. Receiver mass dispersion range: 17% (ZOOM lens).

Dual-Focus Thermal Ionization Mass Spectrometer (TDF-TIMS) - High Precision Ionization for Mass Spectrometry

Technical Specifications


Vacuum	On Source Chamber	≤5×10-8mbar (cold trap)	lon Counter Performance	Counting Noise	≤10cpm
Vacuum	Anayzer Chamber	≤5x10-9mbar	lon Counter Performance	Detection EHclengy	≥90%
Abundance Sensitivity (²3U taling to m/z 237)	without RPQ	≤2ppm	Precision	Interna Precision	RSE<10ppm(Sr,Nd)
Abundance Sensitivity (²3U taling to m/z 237)	with RPQ	≤5ppb	Precision	Extema Precision	RSD<10ppm(Sr,Nd)
Faraday Cup Amplifier Performance	Dynamic Range	0-50V(positive ion mode)	Stability	Maonetic Field stability	beter than ±30ppm/30min
	Noise	≤20pVmms (1011Ω ,4s integation time)	Stability	System Stabi	beter than ±30ppm/30min
	Baseline Drit	≤1x10-16A/h	Mass Dispersion Range	17%(with zoom lens)such as6Li and7L

Why Choose Dual-Focus Thermal Ionization Mass Spectrometer (TDF-TIMS)?

The TDF-TIMS is the premier choice for scientists and researchers in need of high-precision thermal ionization mass spectrometry. With its advanced double focusing mass analyzer, the TDF-TIMS overcomes the challenges of noise and drift typically encountered in mass spectrometry, providing highly stable and linear data. This makes it an essential tool for isotope ratio analysis, geochemistry, and nuclear science applications.

Key Features and Benefits of TDF-TIMS

The TDF-TIMS is a cutting-edge instrument that brings unparalleled performance to thermal ionization mass spectrometry. Here are its key features:

Superior Sensitivity and Stability

· Enhanced Ionization: The DF-TIMS uses a magnetic-electric dual-focus mass analyzer that minimizes noise and drift, offering excellent peak shape and long-term stability.

· High Sensitivity: With a highly sensitive ionization system, it ensures accurate measurements even for low-abundance isotopes.

Multi-Detector System

· The TDF-TIMS includes a fixed-array multi-detector system that allows for the simultaneous detection of multiple ion beams, ensuring accurate and precise isotope ratio measurements.

Exceptional Isotope Ratio Precision

· High Precision Measurements: The system can deliver precision measurements for isotopic ratios such as 87Sr/86Sr, 143Nd/144Nd, and 235U/238U, with accuracy levels as low as 0.01% for certain measurements.

Dual-Focus Thermal Ionization Mass Spectrometer (TDF-TIMS) Features and Benefits

What applications is the TDF-TIMS suitable for?
The TDF-TIMS is ideal for applications in geochemistry, nuclear science, environmental analysis, and materials testing, providing highly precise isotope ratio measurements.

How does the dual-focus mass analyzer improve performance?
The double focusing magnetic-electric system eliminates the effects of acceleration high-voltage noise and drift, providing superior peak shape and long-term stability.

What is the maximum number of samples the TDF-TIMS can handle?
The TDF-TIMS can handle up to 21 samples, with automatic switching between single and double filament configurations.

What is the precision of isotope ratio measurements?
The TDF-TIMS provides industry-leading precision with a static multi-receiver measurement accuracy of <5 ppm for Sr, Nd, and <0.02% for U isotope ratios.

What is the vacuum system's performance?
The system features a high-performance vacuum with ion source pressures <5e-8 mbar and analyzer pressures <5e-9 mbar, ensuring optimal sensitivity and precision.