Ichigofans

UJI KUALITAS FORMALIN PADA TAHU DAN MIE BASAH Tujuan Untuk mengetahui   ada tidaknya kandungan formalin pada tahu dan mie basah. Bahan       Tahu dan mie basah Reagensia Aquadestilla Perak Nitrat (AgNO 3 ) 4,25%   b/v (4,25 gr AgNO 3 + 100 ml Aquades) Amoniak 10% Formalin/ Formaldehid (pembanding) Alat Erlemeyer                      Gelas Ukur Beaker glass                  Corong kaca Tabung reaksi                Timbangan Pipet   ukur                     Lampu Spritus (Bunsen) Pipet tetes                     Kertas saring biasa Penjepit tabung              Korek api Mortal Dsb. Perlakuan Sample (Pembuatan Larutan Sample) 1.       Menimbang sample 20 gr dan menggerus larutan sample. 2.       Menambahkan aqua destilla 20 ml dan menggerusnnya kembali hingga homogeny 3.       Menyaring larutan sample dengan kertas saring biasa 4.       Menampung filtrate dalam Erlenmeyer. Prosedur identifikasi 1.       Mengukur 1 ml filtrate dan memasukanny

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