An accurate assessment of moisture content in feed ingredients is important because moisture influences the nutritional evaluation of feedstuffs. The objective of this study was to evaluate various methods for moisture content determination. In Exp. 1, the weight loss on drying (LOD) of corn, soybea …
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Citation preview. 141. ANALYTICAL METHODS 1. Determination of moisture content (AOAC, 2000) Method 1. Dry the empty dish and lid in the oven at 105C for 3 h and transfer to desiccator to cool. Weigh the empty dish and lid. 2. Weigh about 3 g of sample to the dish. Spread the sample to the uniformity.
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Drying foods in a vacuum oven therefore has a number of advantages over conventional oven drying techniques. If the sample is heated at the same temperature, drying can be carried out much quicker. Alternatively, lower temperatures can be used to remove the moisture ( e.g. 70 o C instead of 100 o C), and so problems associated with degradation ...
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Nov 21, 2014 1.0 DETERMINATION OF MOISTURE CONTENT (STANDARD METHOD - OVEN DRYING METHOD) 1.1 OBJECTIVE. The water content is the most frequently determined soil characteristic. It is defined as the ratio of the weight of water to the weight of the dry soil grains in a soil mass. The water content is a good indication of the strength of clay soils.
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Oct 16, 2011 This study was conducted on ungrounded, grounded, long and short rice grains to determine the moisture content for storage. The rice samples were dried in an oven at 105C; in this regard every sample was divided in 6 parts with equal volume. The moisture contents were measured in six different ways such as 1st part with 1 h interval, 2nd with 2 h, 3rd with 4 h, 4th …
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on Drying) is then compared with either the original weight (Wet-base test) or final weight (Dry-base test) and the moisture content calculated. Tests can be manually conducted (weigh, oven dry, weigh) or automated (integrated weight and heating unit) with systems called Moisture Determination Balances. Depending on the balance and heating ...
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Oven Drying Method. The oven-drying method is the laboratory method that is widely used for the moisture content determination of soil. The determination of the water content of soil by the oven drying method is a very simple and accurate process. Apparatus Required for Oven Dry Method. Weighing balance. Oven with temeperture 110 o 5 o C ...
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Table 8: Advantages and disadvantages of oven-dry method and halogen moisture analyzer method. ... Drying oven. A drying oven can estimate several samples' moisture content at the same time • It can determine the water content. of large sample volumes • It has a simple procedure to perform. The drying time is very long
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Table 8: Advantages and disadvantages of oven-dry method and halogen moisture analyzer method. Instrument. Advantages. Disadvantages. Drying oven. A drying oven can estimate several samples' moisture content at the same time • It can determine the water content. of large sample volumes
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The LOD contents of the individual ingredients were additive when dried at 105C regardless of drying time. In Exp. 2, moisture contents of corn, SBM, wheat, whey permeate, whey powder, lactose, and 2 sources of DDGS (DDGS1 and DDGS2) were measured by the Karl Fischer method, oven drying at 135C for 2 h, and oven drying at 125C, 115C ...
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