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Isopentane: the 29-30 °C Cut of the Lightest Gasoline (Mabery & Hudson 1897)
Charlie

Imeundwa na

Charlie

29. Oktoba 2026DE
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Isopentane: the 29-30 °C Cut of the Lightest Gasoline (Mabery & Hudson 1897)

Just above the butanes in the lightest gasoline comes a pentane boiling at about 30 °C. Mabery and Hudson collected several hundred grams of the 29-30 °C cut and studied it as isopentane through its chlorine derivative. Result: several hundred grams of a 29-30 °C distillate; its monochloride boiled at 96-97 °C and analysed as C5H11Cl. Source: Mabery & Hudson, Proc. Amer. Acad. 32 (1897), pp. 101-111. The identification as isopentane is theirs. Not given: how many times this cut was redistilled. Extremely flammable and boils near room temperature: no flame near. Picture drawn by Youblob.
Mtaalamu
3 months

Maagizo

1

Take the lightest gasoline

Start from the most volatile gasoline: Mabery and Hudson worked 250 litres of 88° and 92° Baumé gasoline from Pennsylvania and Ohio naphtha.

Vifaa kwa hatua hii:

PetroliPetroli250 lita

Zana zinazohitajika:

Chupa ya Kioo ya KunerekaChupa ya Kioo ya Kunereka
2

Distil it in single-degree fractions in the cold

Distil it again and again, collecting single-degree fractions; the most volatile portions went through a Warren condenser filled with a freezing mixture. Ours: crushed ice and salt as the freezing mixture.

Zana zinazohitajika:

Chupa ya Kioo ya KunerekaChupa ya Kioo ya Kunereka
Kikondensa cha KurudishaKikondensa cha Kurudisha
Barafu iliyopondwaBarafu iliyopondwa
ChumviChumvi
Kipimajoto cha maabaraKipimajoto cha maabara
3

Keep the 29-30 °C cut

Collect the distillate that comes over at 29 to 30 °C: several hundred grams in their work. They chlorinated it: the monochloride boiled at 96-97 °C at 760 mm and analysed as C5H11Cl.

Zana zinazohitajika:

Chupa ya Kioo ya KunerekaChupa ya Kioo ya Kunereka
Kipimajoto cha maabaraKipimajoto cha maabara
4

Store it sealed and cool

Ours: it boils near room temperature, so keep it in a stoppered bottle in a cool place, away from flame.

Zana zinazohitajika:

Chupa za kioo zenye viziboChupa za kioo zenye vizibo

Vifaa

1
  • 1
    Petroli
    250 lita
    Kishikilia Nafasi

Zana Zinazohitajika

6

Mchoro huu unatengeneza

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Kishikilia nafasi

Isopentani

Free

0
0

Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

Normal Butane: the 0 °C Cut of the Lightest Gasoline, Distilled Twenty Times in the Cold (Mabery & Hudson 1897)

Normal Butane: the 0 °C Cut of the Lightest Gasoline, Distilled Twenty Times in the Cold (Mabery & Hudson 1897)

na CharlieDE

Viwandani

3
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Gasoline and Naphtha: Benzine Distillate Redistilled by Steam Heat, Cut by Baumé Gravity (Sadtler, in Thorpe 1913)

Gasoline and Naphtha: Benzine Distillate Redistilled by Steam Heat, Cut by Baumé Gravity (Sadtler, in Thorpe 1913)

na CharlieDE

Viwandani

10
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