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Hukum Lambert-Beer - Fakultas Farmasi Universitas Andalas

Hukum Lambert-Beer - Fakultas Farmasi Universitas Andalas

Hukum Lambert-Beer - Fakultas Farmasi Universitas Andalas

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<strong>Hukum</strong> <strong>Lambert</strong>-<strong>Beer</strong>Contoh Soal:Hitunglah persen radiasi masuk yang diserap oleh suatu sampel jika serapannyasebesar (i) 2 dan (ii) 0,1.Penyelesaian:(i)I 1A log 0 logI T2 2 log(% T )log(% T ) % T0 anti log 0 1 2 log(% T )Jadi radiasi yang diserap = 100 – 1= 99%(ii)I 1A log 0 logI T0,1 2 log(% T )log(% T )% T 2 0,1 1,9 anti log1,9 2 log(% T )79,4Jadi radiasi yang diserap = 100 – 79,4= 20,6%28/03/2013 Harrizul Rivai 15

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