A good sample must reflect the characteristics of the entire batch (representative), True, False, A sample taken only from the surface of the container can still be considered representative, True, False, Taking a smaller-than-required amount of material is acceptable if the analyst can still perform the test., True, False, A good sample must have adequate sample size suitable for all tests., True, False, If the sampler is in a hurry, slight bias in the sampling location is acceptable., True, False, A good sample must be free from any bias (location, method, timing), True, False, Homogeneity is essential; samples from a non-homogeneous drum may give misleading results., True, False, If a material appears uniform on the outside, a single-point sample is sufficient., True, False.

Good Sample

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النمط البصري

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