The quality of gasoline can be distinguished as follows:
- to smell
The smell of gasoline is heavier and choking the nose, indicating that the oil is not good, and the smell of inferior gasoline has pungent, smoky eyes, stench and other irritating odors. This means that the sulfur content of gasoline is too high, and the octane number is the agreed value for evaluating gasoline. Therefore, oil with high sulfur content is generally not good oil. When smelling, do not point your nose directly at the oil, but gently fan the mouth of the container to smell.
- Use to see
The quality of gasoline can be seen from the color of the oil. Generally, 93# gasoline is transparent yellow, 97# gasoline is emerald green, and qualified gasoline is generally clear, with no floating substances on the surface, no suspended solids in the middle, no sediment at the bottom, no stratification and no stratification. turbidity. On the contrary, there are turbidity, stratification, suspended matter, sediment and other phenomena, indicating that the oil has hidden quality problems.
- Touch by hand
Dip your fingers in oil and rub a few times. If the oil feels like motor oil on your fingers, the quality is not good. Or, pour a little gas oil in your hand. If the oil evaporates quickly, it means the oil is of good quality.