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tetraether male
compound
Pb
Tetraethnal or Saebnal has the chemical formula (CH3CH2)4Pb.
not indicated; It is someone else’s alkyl cargo. Hololoeran and Naphnatrup
Synthesized by reaction with an alloy. Colorless with a peculiar odor
It is easy to counterfeit with liquid. Unstable in sunlight, it decomposes slowly.
It’s cloudy. It is flammable and corrosive to metals.
all:
Tetraethyl lead is a lead additive used in leaded gasoline before unleaded gasoline.
I was adding various things to gasoline to solve the car knocking phenomenon.
Adding lead solved the crackling knocking problem.
However, lead has been known to be bad for people since Roman times, so it should not have been added, but American companies had to sell it.
It was made possible by adding lead and lobbying the political world.
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One taste of science, the taste of hard work, the remaining determination
ABC
tire
Half life of uranium isotopes
Attempting to determine the age of the Earth through
Excessive answering ingredients in the air
Due to this, research continued to fail.
In areas where ice accumulates in layers
1920 After investigating the composition of the atmosphere,
Before the 1990s, rice content in the air was
Cladair Patters
I just learned that there are almost none.
Cars are the main culprit of rice content in the air.
I knew it was because of exhaust gases.
Prevent the use of lead in gasoline
I dedicate my whole life to doing this.
A man named Patterson tried to analyze the atmospheric composition and discovered that there was no lead in the original atmosphere, but lead was added to the atmosphere due to exhaust gases.
He devoted his life to fighting against companies to eliminate leaded gasoline.
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In the United States, in the 7920s, Nami Cheolgari’s flexible stomach oil was called Tetra.
TEL blades are not widely used because of their effect on improving the price of wood.
As air pollution regulations were strengthened in the 1970s, in January 1996
1 day sales are completely prohibited. Flexible stomach oil manufacturer
Until the 1980s, they had a lobby that encouraged the use of Tel.
me; Ultimately, under the guidance and supervision of the U.S. Environmental Protection Agency (EPA),
Petroleum oil has not been withdrawn from the market.
The impact of tetraethyl lead on the United States
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Leaded fuel oil contains male ingredients to prevent yellowing of the engine.
Cheolgahan Wibalyuro; This male component spreads through exhaust gas.
Children’s brain development and intelligence quotient (fatal adverse effects on this)
There is some research to come: In particular; From the 1920s
Leading fuel oil has been widely used throughout the United States for decades.
The ingredient reduces children’s Q frame by more than 800 million points.
as; Analyzed as having the greatest influence on those born in the 1960s and 1970s
It’s hot:
6 It is said to have lowered the IQ of Americans born in the 1970s.
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