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Antonija Posted 20 years ago
Vocabulary

tetraethil lead

Hello,

Can you please check it? Thank you.



Until 1985, petrol contained tetraethtil or tetramethil – lead of approximately 1.5 to 3.0 g/gallon (0.4 – 0.8 g/L). In 1985 the level of lead was decreased/lowered to 0.5 g/gallon (0.13 g/L) and in 1989 it was reduced to 0.05 g/gallon (0.02 g/L).
  

Top answer

8 g/L) of tetraethyl lead. 02 g/L). Tetraethyl lead, lead tetraethyl, leadtetraethyl - are all correct and can be used.

  • 8 g/L) of tetraethyl lead.
  • 02 g/L).
  • Tetraethyl lead, lead tetraethyl, leadtetraethyl - are all correct and can be used.
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2 Answers
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Until 1985, petrol contained approximately 1.5 to 3.0 g/gallon (0.4 – 0.8 g/L) of tetraethyl lead. In 1985 the level of lead was decreased to 0.5 g/gallon (0.13 g/L) and in 1989 it was reduced to 0.05 g/gallon (0.02 g/L).

Tetraethyl lead, lead tetraethyl, leadtetraethyl -

are all correct and can be used.
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Thank you once again, Alan.

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