prosedur gravimetri metode penguapan.pptx

prosedur gravimetri metode penguapan
kadar air

1. http://www.free-powerpoint-templates-design.com ANALISA GRAVIMETRI METODE PENGUAPAN

2. KELOMPOK 5 Ahmad Taufiq hidayat 3 Diniyah Nurhidayati M 7 Muhammad Abiyyu B 17 Muhammad Rizal 21 Nuril Imamah 30

3. Section Break Insert the Sub Title of Your Presentation

4. Analisa Gravimetri Merupakan salah satu metode analisis kuantitatif yang didasarkan dengan pengukuran gram yang melibatkan pembentukan isolasi dan penimbangan berat dari suatu endapan

5. Secara langsun g Unsur yang akan ditentukan diubah menjadi gas,gas yang terjadi di serap dengan senyawa tertentu Sebenarnya yang ditimbang ialah bahan penyerap itu,yaitu sebelum gas sudah penyerapan sedangkan berat gas diperoleh sebagai selisih kedua penimbangan Tidak langsung Bila yang di ukur ialah fase padatan dan kemudian fase gas dihitung berdasarkan padatan tersebut Metode penuapan tidak langsung daoat digunakan untuk menentukan kadar air (hidrat)dalam suatu senyawa atau kadar air dalam suatu sampel basa GRAVIMETRI PENGUAPAN

6. Kapan menggunakan metode penguapan? Metode penguapan dalam analisis gravimetri digunakan untuk menetapkan komponen komponen dari senyawa yang relatif mudah menguap dapat dilakukan dengan cara pemanasan dalam gas tertentu atau penambahan suatu reaksi tertentu .

7. Prinsip analisa metode penguapan Cara ini dilakukan dengan cara pemanasan dalam gas tertentu atau penambahan suatu pereaksi tertentu sehingga komponen yang tidak diinginkan mudah menguap atau penambahan suatu pereaksi tertentu sehingga komponen yan diinginkan tidak mudah menguap 0001 Analisis kimia

8. Alat dan bahan 1 buah Desikator 1 buah Botol semprot 1 Buah Krus porselen 1 buah Tang krus 1 buah . Neraca analitik digital 1 buah . Oven 1 buah Botol timbang 1 buah Spatula Sampel

9. Langkah langkah 5. Hitung massa sampel yang dibutuhkan, yaitu 2 gram 6. Masukkan dalam cawan porselen dengan bantuan spatula, sesuai dengan data perhitungan 4. Timbang dan catat berat cawan porselen kosong 3. Dinginkan dalam desikator selama 1 jam . 2. Panaskan cwan porselen dalam suhu 105 c selama 1 jam 1. Membersihkan cawan porselen dari kotoran dengan menggunakan kertas hisap .

10. LANGKAH LANGKAH P.2 11. Ulangi pemanasan dengan penimbangan hingga diperoleh berat konstan 12. Hitung kadar air dalam sampel bahan makanan 10. Mencatat hasil penimbangan 9. Timbang cawan porselen zat 8. Dinginkan dalam desikator selama 1 jam 7. Memasukkan dalam oven selama 1,5 jam dengan suhu 105 c dengan bantuan krustang

11. Simple PowerPoint Presentation Simple PowerPoint Presentation Simple PowerPoint Presentation Simple PowerPoint Presentation You can simply impress your audience and add a unique zing and appeal to your Presentations. Easy to change colors, photos and Text. You can simply impress your audience and add a unique zing and appeal to your Presentations. Rumus . Perhitungan kadar air Designed A: Berat cawan perselin, dinyatakan dalam gram B: Berat cawan dengan abu, dinyatakan dalam gram

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