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Jurnal Kimia dan Kemasan
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Articles 4 Documents
Search results for , issue "BULLETIN PENELITIAN VOL. XVIII NO. 2 AGUSTUS 1996" : 4 Documents clear
Pembuatan Bahan Kemasan Mampu Urai Hayati (Biodegradable Packaging) Dari Tepung Tapioka Budi Utami; Wiwik Pudjiastuti
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XVIII NO. 2 AGUSTUS 1996
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3732.58 KB) | DOI: 10.24817/jkk.v0i0.5068

Abstract

Experiment of biodegradable packaging from cassava starch has been done in a laboratory scale by preparing 9 formulation containing several type of substances. Physical properties and biodegradability from each formulation have been evaluated. Comparing with TIS Z 1707 - 1975, formulation 7 has the best physical properties using for food packaging with thickness= 0,15 mm, tensile strength= 189,39 kg£'cm2, elongation= 112,919 °!CJ, \VVTR = 43,29 glm2. 24 hr and biodegradability = 2 weeks.
Pengaruh Penambahan Substrat Organik Pada Limbah Klorinasi Pabrik Kertas Terhadap Pembentukan Gas Methan Dan Penurunan Senyawa Klorin Rahyani Ermawati; Sunardi Sunardi
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XVIII NO. 2 AGUSTUS 1996
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2463.976 KB) | DOI: 10.24817/jkk.v0i0.5069

Abstract

Kraft mill bleaching process is some significant source of chlorinated organic compounds. In this process, wood pulp is bleached using plant specific sequence of chlorination with chlorine and extraction with alkali. The waste water from chlorination of Kraft bleaching contains many toxic compounds that very difficult to be removed by conventional activated sludge treatment. Adding an organic substrate will affect the methanogenesis. The aims of this study are: (1). To remove adsorbable organichalide (AOX) by anaerobic treatment, (2). Toexamine the effect co-substrates to methanogenesis, such as methanol and glucose, (3). To know the effect of sterilization to decrease of AOX. The result is AOX can be removed anaerobically with or without co-substrate.
Profil Fitokimia Tanaman Johar Mardanis S
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XVIII NO. 2 AGUSTUS 1996
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3955.082 KB) | DOI: 10.24817/jkk.v0i0.5070

Abstract

Investigation on phytochcmieal of Johar species (Cassia siamca, Lam.k) has been done. Alkaloid content about 0,05 % is obtained by qualitative and quantitative analysis. The methanol are used as solvent in the alkaloid extraction. Cri.stalization from that extract yield a yellow crystal, with melting point 218 - 220 °C. Reference factor (Rf) value is 0,49 in methanol - benzena ( 1 : 9 ) solvent. The analysis of the infrared spectrometry indicated that the compound containing hydroxyl group which attached into the aromatic ring and amine group located in the aromatic ring, with the absorbtion peak about 3250 cm, C = C (1620 cm"), carbonyl (1660 cm and 1740 cm), aromatic (1460, 1520, 1560, and 1600 cm) and C - H (860 and 890 cm) groups. While ultra-violet spectrometry measurement indicated that the absorbtion peak about 203 and 290 run.
Penelitian Pembuatan Formulasi Insektisida Dari Tanaman Nimba Sri Pudji Rahayu; Rofienda Rofienda; Emmy Ratnawati
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XVIII NO. 2 AGUSTUS 1996
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4233.999 KB) | DOI: 10.24817/jkk.v0i0.5071

Abstract

Neem tree (Azadirachta indica) was found contain azadirachtion that can be used as an insecticide. Extraction of azadirachtin has been conducted in BEIK laboratory with neem seed collected from Madura and Ngawi, by using n-hexane, methanol petroleum ether and ethyl acetate as solvents. The experiment showed that n-hexane gave the best result in the extraction of neem seed from Madura, that was 20,36 °10. The neem extract then used to made Emulsifiable Concentrate (EC) formulation of insecticide. As a control, it was used neem oil from India.From the physico - chemical testing of formulation, is found that EC formulation of neem extract arc not give good result yet, compared then EC formulation that made from Indian neem oil.

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