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Skip Navigation LinksCereals & Grains > Analytical Resources > Approved Methods of Analysis > 64 Sampling Methods

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64 Sampling Methods​

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64-40.01 Sampling of Fats and Shortenings

Composite samples are of very limited utility in determining the acceptability of fat materials. Sampling techniques must be altered or adapted to suit the type of fat and container in question. Plastic fats are subject to damage in shipment due to overheating, which will be most pronounced near the surfaces of the package. It is in this same area that damage to contents due to contamination is found. It is, therefore, imperative that samples of plastic or solid fats be taken such that there is reasonable certainty concerning the representative value of sample. This sampling procedure is applicable to animal and vegetable fats and to crude and refined vegetable oils.

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64-50.01 Sampling of Feeds and Feedstuffs

To obtain a representative sample of bagged or bulk feeds and feedstuffs. See Method 64-40 for liquids.

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64-60.01 Sampling of Flour, Grain Products, and Feed Products in Sacks

Standard procedures to sample flour, grain pro​ducts, and feed products stored in sacks enable meaningful inspection and quality analysis.  This method outlines the proper procedure for obtaining representative samples. This method is applicable to wheat flour and semolina, grain products (bulgur, grits, and flakes), and feed products.

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64-70.02 Manual Sampling of Wheat and Other Whole Grains

A representative sample is essential for sound inspection and quality analysis. This method provides the manual (nonmechanical) means of obtaining a representative sample from a large mass of grain and similar material. The method is applicable to small grains, corn, and pulses.

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64-71.01 Mechanical Sampling of Dry, Free-Flowing Granular Material

A representative sample is essential for meaningful inspection and quality analysis. This method provides the means of obtaining a representative sample from a large mass of free-flowing material (Fig. 1) as material is conveyed through an inclined spout or chute or from discharge end of conveyer belt (Figs. 2 and 3). The method is applicable to wheat, rice and other cereal grains, and other commodities like pulses, seeds, cornmeal, bulgur, etc.

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