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Aviation Fuel Testing Equipment - ICP for Middle Distillate Fuels

ICP for Middle Distillate Fuels

ICP for Middle Distillate Fuels TT-7111

ICP for Middle Distillate Fuels TT-7111 utilizes inductively coupled plasma atomic emission spectrometry (ICP-AES) to analyze selected elements in middle distillate fuels. 

The test's concentration range typically spans from 0.1 to 2.0 mg/kg. While the test may be used for concentrations beyond this range, the precision statements may not be applicable. Middle distillate fuels analyzed in this method consist of all distillation fractions within the boiling range of 150 to 390°C. This includes, but is not limited to, diesel fuels and aviation turbine fuels.

Instrument advantage

1. Over 70 elements can be tested.
2. Simultaneous testing of multiple elements, allowing all elements to be tested at once with a single sample injection.
3. Fast analysis speed, with approximately 5 elements tested per minute, and the fastest test speed reaching up to 10 elements per minute.
4. Low detection limit, with most elements detectable at ppb levels.
5. Wide linear range, spanning up to 5-6 orders of magnitude, enabling testing of high and low content simultaneously without altering the standard curve.
6. Minimal chemical interference leads to more accurate test results.

Performance characteristics

Safe and Reliable Solid-State RF Power Supply

The instrument utilizes a radio frequency power supply that is both safe and reliable. With its compact size, high output efficiency, and stable power output, it incorporates various safety protection functions including water circuit, air circuit, and overload protection. These features significantly enhance the instrument's safety and reduce the likelihood of failures.

High Degree of Automation

Featuring exceptional automation, the instrument operates primarily through software control. Apart from the power switch, all operations are software-driven. Intelligent software provides real-time feedback and prompts for various operations, ensuring efficient and error-free operation.

Automatic Ignition

The software enables fully automatic one-key ignition, with all parameter settings automatically adjusted. Utilizing advanced automatic matching technology, the ignition success rate is high, and operation is simplified.

High-Precision Airflow Control System

The instrument uses a high-precision mass flow controller (MFC) to regulate plasma gas, auxiliary gas, and carrier gas. The flow rate is continuously adjustable, ensuring highly accurate output airflow and precise test data.

High Frequency Generator
Working Frequency
Output power
800W ~1600W
Output power Stability
Scanning spectrometer
Light path
Czerny turner
Focal length
Raster specification
Ion-etched holographic grating, engraved line density
3600L / mm or 2400L / mm; scribed area (80 × 110) mm
Line dispersion reciprocal
≤0.008nm(3600 wire grating)
Main host Parameters
Scanning wavelength range
195nm~500nm (3600L/mm wire grating)

Sample measurable element evaluation

Now for the detection of middle distillate fuel, the application R&D center has evaluated the details as shown in Table 2:

Table 2. Middle distillate fuel sample solutions

Tested elements
Sample processing (for reference only)
Middle Distillate Fuels
Shown ASTM D7111 table 1
TT-7111 ICP
Weigh 0.5g of the sample into a microwave digestion tank, then add 6ml of nitric acid and 2ml of hydrogen peroxide. Preheat the mixture on a 150°C electric hot plate for approximately 10 minutes. Once heated, allow it to cool before loading it into the microwave digestion system to run the program. After completion, cool the solution to room temperature and adjust the volume to 50ml for testing.
ASTM D7111-2015
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