Oil analysis issues
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Regarding the analysis of oil oxidation stability, the common methods for such analysis include the accelerated method (SH/T0175 ASTM D2274), the rotating oxygen bomb method (ASTM D2272 SH/T0193), and the induction period method (GB/T 8018). There are two samples available: one is diesel, and the other is a lubricant base oil (with high viscosity and low volatility). I consulted two suppliers and received two different answers; one supplier said that the acceleration method should be used for diesel while the rotary oxygen bomb method is appropriate for lubricant base oils, while the other supplier said that the acceleration method can be used for both. All the oils in the process package meet ASTM D2274 standards, and it was said after consulting that they can all be analyzed. Which one should I believe? ? ? ? What analysis methods should be chosen for different types of oils (gasoline, kerosene, diesel, naphtha, lubricating oil)? ? ? I hope an expert can give some guidance; the more detailed, the better. @chqd812 @qugd
Check the analysis methods recommended by the product standards.
Check the analysis methods recommended by the product standards.
Each testing method has its scope of application, which is described in detail at the beginning of the standard testing method. Furthermore, various oil product standards also specify the standard numbers for the testing methods of corresponding analytical parameters. Why not check what types of oils these testing standards are applicable to, and what analytical methods are used to determine the oxidation stability of those oils?
First, identify the implementation standards for each type of oil product; these standards specify the methods of use. For those with stringent requirements, the standards should be followed, while for products without such standards or those with less stringent requirements, alternative substances can be used appropriately, based solely on reference
Okay, thank you, teacher. It mainly comes down to whether it’s necessary to purchase additional equipment; I’ve already looked up various methods, but I just wanted to hear the opinion of an expert. Now the problem has been solved.
All standards have their applicable ranges; generally, spin-on bombs are used for base oils
**There are clear regulations for different products; just check the standards. Moreover, the standards specify the scope of use