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Washing Method Materials

Broadly speaking, the method of washing can be divided into two parts, namely the method of soaking and spraying. 1) Immersion Method The material to be washed soaked in water with a certain time to remove impurities attached to the material. To get the maximum laundering, on this treatment can be helped by brushing or rubbing carefully so that the ...

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Dissolved and Biochemical Oxygen

tool: – Wardrobe BOD incubator with a temperature range of -10 to 50 0 C and was stabilized at 20 0 C at the test temperature – BOD Bottle 300 ml – Aerator – Measuring cup 100 ml – The glass cup 100 ml – Equipment for testing dissolved oxygen in accordance with the scale of SNI M-10-1990-F Material : ...

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Pengujian Mutu Susu Segar

Susu adalah salah satu hasil ternak selain daging dan telur. Susu merupakan bahan pangan yang tersusun oleh zat-zat makanan dengan proporsi seimbang. Susu dipandang sebagai bahan mentah yang mengandung sumber zat-zat makanan penting. Penyusun utamanya adalah air, protein, lemak, mineral dan vitamin. Kualitas atau mutu susu merupakan bagian penting dalam produksi dan perdagangan susu. Derajat mutu susu hanya dapat dipertahankan ...

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Fresh Milk Quality Testing Methods

1) Check the specific gravity using the tool Laktodensimeter ditera at a temperature of 27.5 o C. The principle of this test is that solid object which is inserted into a fluid will get upward pressure weighing the displaced liquid volume. Density measured between 20 ° – 30 ° C adjustable at: 2) The level of fat by Gerber method ...

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The Concentration of O2 and CO2 Storage

Oxygen in the air can not be completely removed from the atmosphere, due to the presence of oxygen is necessary to keep the course of normal metabolism. Below 1-3% oxygen, many commodities were damaged. Similarly, the concentration of CO2, the tolerance limit commodity to these gases vary. Some commodities are not resistant to high CO2 concentrations. Some commodities hold at ...

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Pengangkutan Hasil Pertanian dan Perikanan

Proses pengangkutan dapat dilakukan dengan berbagai kendaraan baik tradisional maupun modern. Pengangkutan dengan alat transportasi tradisional antara lain dengan menggunakan gerobak yang ditarik oleh kuda atau sapi atau dengan tanaga manusia. Beberapa alat transportasi tradisional yang masih dipakai untuk mengangkut bahan hingga saat ini antara lain adalah pedati, becak dan gerobak. Gambar 43. Berbagai alat angkut bahan hasil pertanian secara ...

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