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Antonija Posted 20 years ago
Vocabulary

oxidans

Can you please, check it. Especially the highlighted parts?

Oxidans are today added to the petrol to increase the octane number and impact, and these are ethanol, methanol, tertiar-butil-alcochol and methil-tertiar-butil-ether (MTBE), especially in reformulated petrol. The amount of oxydans added to the petrol varies to a great extent.
  

Top answer

Oxidants are today added to petrol to increase the octane number and prevent knocking. These are ethanol, methanol, tertiary-butyl-alcohol and methyl-tertiary-butyl-ether (MTBE), especially in reformulated petrol. The amount of oxidants added to petrol varies to a great extent.

— Alan.es

  • Oxidants are today added to petrol to increase the octane number and prevent knocking.
  • These are ethanol, methanol, tertiary-butyl-alcohol and methyl-tertiary-butyl-ether (MTBE), especially in reformulated petrol.
  • The amount of oxidants added to petrol varies to a great extent.
  • htm
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5 Answers
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Oxidants are today added to petrol to increase the octane number and prevent knocking. These are ethanol, methanol, tertiary-butyl-alcohol and methyl-tertiary-butyl-ether (MTBE), especially in reformulated petrol. The amount of oxidants added to petrol varies to a great extent.

Here is a good link which eplains this idea simply:
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Alan.esmethyl-tertiary-butyl-ether (MTBE)
The correct old-fashioned names are (no hyphens, separate words):
tert-butyl alcohol
methyl tert-butyl ether

IUPAC Rule C21: functional name and radical are separate words
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Thank you Alan and Kajjo.

Alan, you have omitted impact and put the phrase prevent knocking. Is it the same? I guess impact doesn't exist?
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'Impact' doesn't make sense in this sentence. I'm guessing but the whole idea of this bit of text is about adding things to ' prevent knocking'.

'Knocking' is when the petrol ignites a fraction of a second before the plug sparks and so makes a slightly early 'bang'or if you like 'impact.

i can't see it being anything else.
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I don't know, but that will be another thing I will discuss with the author. I know the lady who wrote it, so it won't be a problem.

I appreciate your help.
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