Ls Proses Ii Bab 4.docx

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LAPORAN SEMENTARA POLIMERISASI UREA FORMALDEHIDE Kelompok Anggota Hari, tanggal

:4 : 1. Afif Deyan Monlei Wicaksono 2. Nasirotul Hasanah : Selasa, 26 Maret 2019

Data Percobaan dan Pengamatan :  Berat piknometer kosong  Berat piknometer + aquadest  Suhu  Volume formalin mula-mula  Berat Urea  Volume piknometer

= = = = = =

I8317001 I8317021

gram gram ͦ C mL gram mL

Tabel IV.1 Hasil Pengukuran Sampel Selama Reaksi Berlangsung No. Waktu (Menit) pH Berat (gram) Suhu ( ͦC) 1. 2. 3. 4. 5. 6. 7.  Berat cawan kosong 1 = gram  Berat cawan kosong 2 = gram  Berat cawan + sampel 1 = gram  Berat cawan + sampel 2 = gram  Berat sampel 1 mula-mula = gram  Berat sampel 1 mula-mula = gram

Tabel IV.2 Hasil Penentuan Berat Sampel setelah Pengovenan Berat Sampel No. Waktu Pengovenan Sampel 1 (gram) Sampel 2 (gram) 1. 1 jam 2. 1 jam + semalam 3. 1 jam + semalam + 15 menit

Asisten,

Tutut Ayu Kinasih NIM I8316056

Surakarta, 26 Maret 2019 Praktikan, 1. Afif Deyan Monlei Wicaksono 2. Nasirotul Hasanah

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