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Reference standards is a chemical substance or mixture of substances with known purity and content that is used as a standard content in content determination.

Features

Purity and content are known.

Including stoichiometric standards, metallurgical standards and drug testing standards.

Scopu

In drug development and production, it is used for drug quality control and standard curve drawing.

As a standard material for the determination of content or titer in bioassays, antibiotics or biochemical drugs.