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GB/T 48167-2026
General rules for quantitative 1H nuclear magnetic resonance spectroscopy analysis by internal standard method
GB/T 48167-2026 定量核磁共振波谱氢谱内标法分析通则
- Issue date
- 2026-08-28
- Effective date
- 2026-12-01
- Standard type
- National Standards
- ICS / CCS
- 71.040.40 / N04
- Issuing authority
- State Administration for Market Regulation and Standardization Administration of China
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Scope
This document specifies the general rules for purity analysis of organic compounds by quantitative ¹H nuclear magnetic resonance spectroscopy with the internal standard method. This document is applicable to purity analysis, by quantitative ¹H nuclear magnetic resonance spectroscopy with the internal standard method, of organic compounds of well-defined molecular structure that contain hydrogen atoms (¹H) producing NMR signals suitable for accurate quantification. This document is not applicable to purity analysis of compounds whose only hydrogen atoms (¹H) are in groups such as hydroxyl, amino and sulfhydryl groups.
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