Oxidation Stability
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Oxidation stability refers to the tendency of fuels to react with oxygen at temperatures near ambient. The rate of oxidation is accelerated by high temperatures, water, acids and catalysts such as copper. The rate of oxidation increases with time. The service life of a fuel is also reduced with increases in temperature. Oxidation will lead to an increase in the fuel's viscosity and deposits of varnish and sludge.
Test Method
There are many methods to determine the oxidation stability of fuels, but the most instructive method is the determination of the induction period in the process of fuel oxidation.
To determine the oxidation stability, we can accelerate the aging process of the sample by exposing it to heat and increased volumes of air, and then measure the time that passes until oxidation takes place at a high rate, the induction time or oxidation stability index (OSI). Operate, evaluate, and data manage in the software for PC make analyses. Oxidation stability tester structure is showed in Fig.1.
Fig. 1 The structure of an oxidation stability tester
Test Standards
- AOCS Cd 12B-92 (AOCS -- American Society of Oil Chemists), Sampling and Analysis of Commercial Fats: Oil Stability Index (OSI)
- ISO 6886 Animal and vegetable fats -- Determination of oxidation stability (Accelerated oxidation test)
Alfa Chemistry's Advantages
- Short Detection Cycle
- Competitive Price
- Years of Testing Experience
- Advanced Equipment
- Reliable Results
- Familiar with Relevant Standards
Chemists from Alfa Chemistry have a great deal of experience in the tests of chemicals. Our experienced chemists are pleased to work with you to solve your problems in scientific research and industrial applications. Alfa Chemistry offers oxidation stability test of various chemicals. Please feel free to contact us for more details.
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