Uji Seliwanoff

Tujuan : Membuktikan adanya ketosa (Fruktosa) Prinsip : Dehidrasi fruktosa oleh HCl pekat menghasilkan hidroksimetilfurfural dan dengan pe...

Tujuan : Membuktikan adanya ketosa (Fruktosa)

Prinsip : Dehidrasi fruktosa oleh HCl pekat menghasilkan hidroksimetilfurfural dan dengan penambahan resorsional akan mengalami kondensasi membentuk senyawa kompleks berwarna merah oranye.

Alat dan Bahan

  1. Larutan sempel
  2. Pereaksi Saliwanoff
  3. Penangas air
  4. Tabung reaksi lengkap dengan rak dan penjepitnya
  5. pipet tetes
Prosedur Kerja
  1. Masukan 1ml pereaksi saliwanoff kedalam tabung reaksi
  2. Masukan 10 tetes sempel lalu panaskan selama 1-5 menit
  3. Hasil positif bila terbentuk warna jingga kemerah-merahan setelah dipanaskan

Terimakasih ^_^

COMMENTS

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Laboratory Information Service: Uji Seliwanoff
Uji Seliwanoff
Laboratory Information Service
http://www.labkes.info/2013/10/uji-seliwanoff.html
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http://www.labkes.info/
http://www.labkes.info/2013/10/uji-seliwanoff.html
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