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Pembuatan Dry Yeast (Lab Scale) Bag.1 Koentoro Soebijarso
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN TAHUN II NO.5 JANUARI 1977
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.4857

Abstract

Yeast can be used for many purposes , in the fermentation industries, bakeries, alcoholic beverages , etc , Yenst can be also used for · Saccharification and fermentation in home industries, and also it can be used as cat­tle food. The protein conten is about 45-52 % dry matter (White)1-2,6 % fats and a good sources of Calsium, Iron, and Phos­phor. Inthis experiment active dry yeast Temperature, pH, medium and exponentialfeeding and sever­al, drying exper­iment was conducted within Lab-scaIe unit,in making mass production, drying was made by drum/spray­drying.
Anyaman pita kulit pada gerabah, menghasilkan produk baru Koentoro Soebijarso
Majalah Kulit, Karet, dan Plastik Vol 7, No 12-13 (1992): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1641.285 KB) | DOI: 10.20543/mkkp.v7i12-13.469

Abstract

Kulit jadi (leahter) , selanjutnya dalam tulisan ini disebut kulit, digunakan untuk pembuatan barang-barang sebagai berikut : pembuatan berbagai jenis dan model alas kaki (foot wear), garment dan sarung tangan kulit: barang-barang dari kulit seperti tas, koper, dompet, ikat pinggang; alat-alat olah raga; jok mebel; sol; kulit teknis, dan lain-lain.Kulit untuk menganyam sampai saat ditulis ini tidak terdapat di umum atau diperjualbelikan, atau tidak dikenal. Ide ini dilontarkan untuk menghasilkan produk yang sama sekali baru yakni produk grabah  yang dianyam dengan pita-pita yang terbuat dari kulit. Supaya produk baru ini dikenal di masyarakat maka diadakan pameran. Transfer teknologi diajarkan dalam pelatihan-pelatihan.Proses penganyaman dilakukan terhadap gerabah yang berbentuk  vas atau berleher, dan yang telah diproduksi secara melembaga oleh industri kecil di sentra-sentra gerabah. Kulit yang dipergunakan adalah lembaran kulit (side) dan dibuat pita-pita dengan pertolongan mesin potong pita. Motif – motif anyaman dikembangkan oleh para peneliti yang ada di Balai Besar Penelitian dan Pengembangan Industri Barang Kulit, Karet dan Plastik (BBKKP). Hasil adalah produk baru yang berupa gerabah yang telah diantam dengan pita-pita kulit.
Rice Husk In Indonesia Koentoro Soebijarso
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN TAHUN III NO.11 & 12 JULI & OKTOBER 1978
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.4903

Abstract

The paddy production in Indonesia should contain rice husk 20 - 25 %. bran 10 - 12 %, and rice 63 - 70 %. Rice husk usually burned to ash used as abrasive purposes for household application, and also rice husk used for burning bricks. In this case we are facing the secondary waste product which is rich in Si02 con­tent, the ash from burning the rice husk as fuel.The characteristics for rice husk and ash (dry basis) from Tangerang & Karawang especially ash, Si02, CaO, MgO, and Fe2o3 are determinated.
Rice Husk In Indonesia Koentoro Soebijarso
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN TAHUN III NO.11 & 12 JULI & OKTOBER 1978
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1199.362 KB) | DOI: 10.24817/jkk.v0i0.4903

Abstract

The paddy production in Indonesia should contain rice husk 20 - 25 %. bran 10 - 12 %, and rice 63 - 70 %. Rice husk usually burned to ash used as abrasive purposes for household application, and also rice husk used for burning bricks. In this case we are facing the secondary waste product which is rich in Si02 con­tent, the ash from burning the rice husk as fuel.The characteristics for rice husk and ash (dry basis) from Tangerang & Karawang especially ash, Si02, CaO, MgO, and Fe2o3 are determinated.
Plastik Sebagai Bahan Kemasan Makanan Koentoro Soebijarso; djumarman Djumarman
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN TAHUN IV NO.13 & 14 JANUARI & APRIL 1979
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5241.493 KB) | DOI: 10.24817/jkk.v0i0.4914

Abstract

The advantage of plastic usage as packaging material are light,not fra­gile, not rusted, easy colored, easy formed for various designs, available in various types, not expensive, etc.The main factors in selecting of packaging material for food packaging are: the characteristics of the raw material/food material, the characteristics of the packaging material , environmental factors, and the method of food preservation. Physically, plastics for packaging can be divided into rigid plastic, semi­rigid, and flexible.
Pelaksanaan Wajib Uji Barang Di DKI Jakarta Koentoro Soebijarso
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN TAHUN I NO.3 JULI 1976
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.4836

Abstract

In the fraraework of compulsory testing in DK.I JAKARTA several process of collecting and certification of samples has been done, with the purpose to simplify the system of administrative worko To cheek the quality of the product distributed into the market, Balai Penelitian Industri and Dinas Perindustrian DKI conduct market sampling and the result of this is alsoused for standardization feedback.
Plastik Sebagai Bahan Kemasan Makanan Koentoro Soebijarso; djumarman Djumarman
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN TAHUN IV NO.13 & 14 JANUARI & APRIL 1979
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.4914

Abstract

The advantage of plastic usage as packaging material are light,not fra­gile, not rusted, easy colored, easy formed for various designs, available in various types, not expensive, etc.The main factors in selecting of packaging material for food packaging are: the characteristics of the raw material/food material, the characteristics of the packaging material , environmental factors, and the method of food preservation. Physically, plastics for packaging can be divided into rigid plastic, semi­rigid, and flexible.
Penelitian komposisi kimia, jenis bahan mentah dan kualitas pasta kapur untuk proses “liming” Koentoro Soebijarso
Majalah Kulit, Karet, dan Plastik Vol 12, No 23 (1997): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1116.685 KB) | DOI: 10.20543/mkkp.v12i23.349

Abstract

The ain of this research was to determine the chemical composition, kind of raw material and the quality of paste of lime-water, for liming process in the limeyard within a tannery. Paste of lime water was produced by adding a quantity of water to lime in the pit. Samples was taken from the pits, after the hydration reaction was completed. The lime-paste was immersed in water to avoid natural carbonization reaction with carbondioxide in the air. The samples paste lime-water soon analysed. It was concluded that the paste of lime-water composed mainly of 12.75% CaO and 15.81%MgO wet basis. The pH of the saturated lime-water solution was 12.5. The raw material used was dolomite limestone. The quality of paste of lime-water was suitable for liming process. ABSTRAK Tujuan dari penelitian ini adalah untuk menetapkan susunan kimia, jenis bahan mentah dan kualitas pasta kapur, untuk proses pengapuran di bagian pengapuran dalam industri penyamakan kulit. Pasta kapur dihasilkan dengan menambahkan sejumlah air ke kapur tohor dalam bak. Contoh-contoh diambil dari bak-bak, setelah reaksi hidrasi selesai dengan sempurna. Pasta kapur telah direndam dalam air untuk mencegah reaksi karbonisasi alamiah dengan karbondioksida di udara. Contoh-contoh pasta kapur segera dianalisa. Telah disimpulkan bahwa pasta kapur tersusun utamanya dari CaO 12,75% dan MgO 15,81% atas dasar bahan basah. pH dari larutan jenuh larutan kapur dalam air adalah 12,5. Bahan mentah yang digunakan adalah batu kapur dolomitis. Mutu dari pasta kapur telah memenuhi syarat untuk proses pengapuran.
Ruang lingkup dan kegiatan Balai Besar Penelitian & Pengembangan Industri Barang Kulit Karet dan Plastik Koentoro Soebijarso
Majalah Kulit, Karet, dan Plastik Vol 1, No 1 (1984): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1299.155 KB) | DOI: 10.20543/mkkp.v1i1.256

Abstract

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Leather specification according IULTCS part II, Continuation and discussion Koentoro Soebijarso
Majalah Kulit, Karet, dan Plastik Vol 10, No 19 (1995): Majalah Barang Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1237.063 KB) | DOI: 10.20543/mkkp.v10i19.429

Abstract

This Part II publication of Leather Specification According IULTSC (the International Union of Leather Technologists and Chemists Societies), is the continuation of Part I edition, in the bulletin “Sain dan Teknologi Kulit” ISSN : 0853-3660, no.2 th.II, Desember 1991. In this publication the writer will concentrate on the specification of shoe uppers, lining and upholstery leather. At the end of this publication a discussion on IULTCS specification and IUF, IUP, IUC, etc. test methods for the benefit of the Government, tanners and scientists will be conducted. This is to consider the existing Indonesian Industrial Standard that already adopted as Indonesian Nasional Standard.