Brand instruments
Brand Instrument
HSCA-2000 Total Sulfur Analyzer
Product description
Technical indicators
This analyzer is used to determine trace sulfur content in petroleum products and liquid organic chemicals, including gasoline, naphtha, kerosene and diesel, methanol, benzene, ester, ketone, ether, etc. The analyzer can be applied to process control and product quality control during the processing and blending of petroleum products. The measurement indicators meet the requirements for total sulfur inspection in National IV and National V of automotive fuels.
Measuring principle: energy dispersion method X-ray fluorescence method (EDXRF)
X-ray fluorescence is a phenomenon caused by high-energy X-ray excitation of the inner orbital electrons of atoms. When X-rays excite the inner electrons of an atom, causing the electrons to escape from the inner layer and generate holes in the inner electron orbits, the atom will then become unstable in an energetic state. The electrons in the outer orbit will migrate to the holes in the inner layer, and energy will be released during the migration process, that is, X-ray fluorescence phenomenon will occur. The energy of the generated X-fluorescence is related to the atomic structure. For specific element atoms, X-ray excitation with specific energy will produce characteristic X-fluorescence. For sulfur atoms, the K layer electrons are excited to escape, and the L layer electrons migrate to the K layer. The energy of this particular X-ray fluorescence is mainly the S-Kα line, whose energy is 2.31 keV, and a small amount is S- The Kβ line has an energy of 2.46 keV.
The X-ray fluorescence energies of element atoms close to sulfur atoms are listed in the table below:
Elemental energy keV (kiloelectron volts)
Sulfur, S-Kα 2.31
Argon, Ar-Kα 2.96
Titanium, Ti-Kα 4.51
Iron, Fe-Kα 6.40
Since the intensity of characteristic X-ray fluorescence is proportional to the number of sulfur atoms in the sample, the sulfur content in the sample can be directly detected by measuring the X-ray fluorescence of the sample.
application:
Refinement of petroleum products
● Hydrocracking ● Desulfurization catalyst evaluation
● Hydrofinishing ● New process development
● Oil product blending ● Oil product evaluation
● Oil desulfurization ● Oil quality management
Features:
Measurement method: Energy dispersive X-ray fluorescence method (EDXRF), no need to burn and transform the sample, busy with the analysis method of non-destructive sample;
The analyzer has no moving mechanical parts, no need to replace the power window diaphragm, no vacuum pump to maintain the measurement system vacuum, no temperature sensitive spectroscopic crystal and other monochromator components, better than wavelength dispersive X-ray fluorescence method (WDXRF), no daily Maintenance, no need to shut down to replace consumables regularly, saving operating costs and labor costs;
Similar products have obtained China National Explosion Protection Certification NEPSI Ex dpx IIB + H2 T4 Gb, can be used in all refining and oil refining processes, can be used in the process of oil hydrogenation, certificate number GYJ11.1655
The total sulfur measurement range can be set arbitrarily from 0 ~ 10 to 0 ~ 500ppm, and the range can be extended to 0 ~ 1000ppm;
Use intuitive 10 "color tablet computer operation interface, select Chinese or English language display, built-in Windows XP or Win7 system, convenient for on-site operation and maintenance, can display rich information and graphics;
The measurement method conforms to the following international and national standard test methods: ASTM D4294-2008, GB / T 17040, ASTM D6445, SH / T 0742, etc.
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