GB/T 48167-2026General rules for quantitative 1H nuclear magnetic resonance spectroscopy analysis by internal standard method (English PDF)

GB/T 48167-2026 is the English-translated version of 定量核磁共振波谱氢谱内标法分析通则.

This document gives general rules for quantitative proton nuclear magnetic resonance spectroscopy analysis using the internal standard method. Quantitative NMR is used to determine the content or purity of substances, and it is applied in chemistry, pharmaceutical analysis, reference material production and quality control. The audience includes analytical laboratories, reference material producers, research institutes and quality managers who run NMR measurements.

It takes effect earlier than most documents of its batch, on 1 December 2026. The Ministry of Science and Technology is named as the responsible body. As a GB/T document it is recommended, and the word general in the title indicates that it sets out principles applicable across analyses and not a method for one specific substance. Laboratories seeking comparable quantitative results across instruments and operators can use it as a reference.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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