PENGARUH WAKTU MASERASI DAN JENIS BAHAN ZAT WARNA TERHADAP PEWARNAAN KAIN
Bahan pewarna tekstil alami daun alpukat, daun ketapang, daun sirsak, dan sabut kelapa. Penggunaan bahan alami bertujuan untuk mengurangi pencemaran lingkungan akibat pewarnaan tekstil. Metode yang digunakan untuk mendapatkan zat pewarna adalah maserasi, maserasi merupakan metode yang sangat sederhana dengan variasi waktu maserasi 2,4, 6, 8, 10 hari. Acuan yang digunakan dalam pewarnaan ini adalah banyaknya kadar tanin yang terkandung dalam bahan tersebut. Penelitian ini menggunakan daun sirsak segar, daun ketapang kering, daun ketapang segar, daun sirsak segar, dan sabut kelapa segar. Uji kadar tanin dilakukan menggunakan Spektrofotometri UV-Vis dengan panjang gelombang 400-800 nm.
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