Methanol exposure limit
Release time:
2021-11-22
Methanol is low toxic to the human body, because methanol will be oxidized into formaldehyde and formic acid (formic acid), which are more toxic than methanol in human metabolism.
Initial symptoms of poisoning include rapid heartbeat, abdominal pain, vomiting (vomiting), diarrhea, loss of appetite, headache, dizziness, and general weakness. In severe cases, they may become confused, have rapid breathing and become exhausted. Blindness is the most typical symptom. After methanol enters the blood, it will increase the acidity of the tissues and cause acidosis, leading to kidney failure. The worst is death.
However, there are still many unscrupulous businessmen who disregard their lives and use industrial alcohol containing methanol to blend and sell fake wine. However, there is also a very small amount of methanol in genuine wine, which is one of the reasons for the hangover. Methanol poisoning can be detoxified with ethanol. Because methanol is oxidized to formaldehyde by alcohol dehydrogenase in the liver, and then forms formic acid. Ethanol can compete with methanol for alcohol dehydrogenase, giving the body time to eliminate methanol.
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A brief discussion on the cleaning agent of lubricating oil additive
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Main function and classification of dispersant lubricant additive （2）
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Main function and classification of dispersant lubricant additive （1）
In the early stage, the widely used detergent dispersants in internal combustion engine oil are metallic sulfonates, alkyl phenols, phosphonates and alkyl salicylate, which are called metal detergent dispersants. Subsequently developed a metal-free additive, it has excellent dispersion properties, in order to distinguish from the former, people called it ash-free powder.
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