YB/T 4143-2006 Standard practice for testing homogeneity of materials for development of reference materials.

Scope

1.1 This standard is applicable to the inspection of the uniformity of metals, whether they are in solid form, powder form, or finely ground oxide materials, which are prepared to be used as reference materials in X-ray emission spectroscopy analysis, optical emission spectroscopy analysis, or both. However, the criteria for determining whether a standard sample is qualified must be predetermined by the user to meet their specific needs. 1.2 This standard is primarily designed for testing samples using X-ray emission spectroscopy or optical emission spectroscopy, or a combination of both methods. However, this rule can easily be applied to other instrumental methods such as atomic absorption spectrophotometry. 1.3 As long as the signal-to-background ratio is not a limiting factor, this standard can be applied to one or more elements in a sample. 1.4 This rule includes a method for correcting system drift or periodic (sinusoidal) drift in instruments over time by using a control reference material. Note 1: Note that if there are serious drifts (such as unstable power supplies, X-ray tubes, etc.), they can be detected from the data analysis. 1.5 This standard may involve hazardous materials, operations, and equipment. This standard does not intend to address all safety issues related to its use. It is the responsibility of the user to review and establish appropriate safety and hygiene rules and determine the scope of application before using this standard.

Development Information

Superseded by the following standards

Referenced Standards

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