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The scope of the standard

The scope of the standard
First introduced the standard meaning of the standard document developed and approved by a recognized body. Standard simply say what kind of requirements is when to reach out to a product of the production process and product production, this rule can be used for common and repeated use, in order to achieve the best results in predetermined areas . In general, the formulation of the standard file through the consultation process, and by a recognized authority. Standards tend to have far-reaching impact on the aspects that should be taken seriously (such as machines and tools, safety, reliability and efficiency, toys, medical equipment)
The standard range can be divided as technical standards and chemical range
Production of a unified technical standards is a release in writing rules and technical standards to ensure that materials, products, processes and services to meet the need.
The range of chemical standards for relative analysis, composed of pure substances determined and accurately measured. The general use of metals, oxides, nitrates, soluble in inorganic acid, good stability, accurately weighed) chromatographic pure reagents. There are two kinds of liquid and solid forms.

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