Tidak ada referer, pengunjung mungkin datang langsung atau referer diblokir.ls. Fail:Toluene with sodium-benzophenone.jpg - Wikipedia Bahasa Melayu, ensiklopedia bebas
Lifestyle Khazanah Profil Baru Dram Lists Ensiklopedia
Technopedia Center
PMB University Brochure
Faculty of Engineering and Computer Science
S1 Informatics S1 Information Systems S1 Information Technology S1 Computer Engineering S1 Electrical Engineering S1 Civil Engineering

faculty of Economics and Business
S1 Management S1 Accountancy

Faculty of Letters and Educational Sciences
S1 English literature S1 English language education S1 Mathematics education S1 Sports Education
teknopedia

teknopedia

teknopedia

teknopedia

teknopedia

teknopedia
teknopedia
teknopedia
teknopedia
teknopedia
teknopedia
  2. Ensiklopedia Bebas
  3. Fail:Toluene with sodium-benzophenone.jpg - Wikipedia Bahasa Melayu, ensiklopedia bebas
Fail:Toluene with sodium-benzophenone.jpg - Wikipedia Bahasa Melayu, ensiklopedia bebas
Daripada Wikipedia, ensiklopedia bebas.

Fail asli (1,200 × 1,600 piksel, saiz fail: 387 KB, jenis MIME: image/jpeg)

Fail ini dari Wikimedia Commons dan mungkin digunakan oleh projek lain. Penerangan pada laman penerangan failnya di sana ditunjukkan di bawah.

Ringkasan

Keterangan
English: Toluene is refluxed in sodium-benzophenone to remove oxygen and water, before being distilled. Photo taken 4 Sep 2006. Keywords: reflux, toluene, sodium, benzophenone, distillation, desiccation
  • A bottle of benzophenone by Lancaster.
    A bottle of benzophenone by Lancaster.
  • Toluene is refluxed with sodium and benzophenone to produce dry, oxygen-free toluene.
    Toluene is refluxed with sodium and benzophenone to produce dry, oxygen-free toluene.
  • The mixture is still not blue yet indicating that the reaction is not complete.
    The mixture is still not blue yet indicating that the reaction is not complete.
  • The intense blue coloration due to the benzophenone ketyl radical shows that the toluene is considered free of air and moisture.
    The intense blue coloration due to the benzophenone ketyl radical shows that the toluene is considered free of air and moisture.
  • After the toluene has been thoroughly dried by the sodium and benzophenone, it is distilled at atmospheric pressure under a slight positive pressure of nitrogen to prevent contamination by air into the receiving Schlenk flask.
    After the toluene has been thoroughly dried by the sodium and benzophenone, it is distilled at atmospheric pressure under a slight positive pressure of nitrogen to prevent contamination by air into the receiving Schlenk flask.

Category:desiccants

Category:distillation
Tarikh 4 September 2006 (original upload date)
Sumber Transferred from en.wikipedia to Commons by omegakent.
Pengarang Rifleman 82 at Inggeris Wikipedia

Perlesenan

Public domain Rifleman 82 at Inggeris Wikipedia selaku pemegang hak cipta karya ini melepaskan karya ini ke dalam domain awam di seluruh dunia.
Di sesetengah negara, undang-undangnya mungkin tidak mengizinkan; jika begitu:
Rifleman 82 memberi sesiapa sahaja hak untuk menggunakan karya ini untuk apa jua tujuan, tanpa sebarang syarat, melainkan undang-undang menetapkan syarat-syarat sedemikian.

Log muat naik asal

Transferred from en.wikipedia to Commons by omegakent.

The original description page was here. All following user names refer to en.wikipedia.
  • 2006-09-04 17:00 Rifleman 82 1200×1600× (396460 bytes) Taken in my lab on 4 Sep 2006.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

menggambarkan

tarikh penubuhan

4 September 2006

ISO speed Inggeris

320

tempoh dedahan

0.066666666666667 saat

Sejarah fail

Klik pada tarikh/waktu untuk melihat rupa fail tersebut pada waktu itu.

Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa01:23, 11 Ogos 2009Gambar kenit bagi versi pada 01:23, 11 Ogos 20091,200 × 1,600 (387 KB)Omegakent{{Information |Description={{en|Toluene is refluxed in sodium-benzophenone to remove oxygen and water, before being distilled. Photo taken 4 Sep 2006. Keywords: en:reflux, en:toluene, en:sodium, en:benzophenone, [[:en:distillation

2 buah laman berikut menggunakan fail ini:

Penggunaan fail sejagat

Fail ini digunakan oleh wiki-wiki lain yang berikut:

Metadata

Fail ini mengandungi maklumat tambahan daripada kamera digital atau pengimbas yang digunakan untuk menghasilkannya. Jika fail ini telah diubah suai daripada rupa asalnya, beberapa butiran dalam maklumat ini mungkin sudah tidak relevan.

Pusat Layanan

UNIVERSITAS TEKNOKRAT INDONESIA | ASEAN's Best Private University
Jl. ZA. Pagar Alam No.9 -11, Labuhan Ratu, Kec. Kedaton, Kota Bandar Lampung, Lampung 35132
Phone: (0721) 702022
Email: pmb@teknokrat.ac.id