A Quantitative NMR Method for Period Verification of Sulfonamides Reference Materials

Abstract

Abstract:

A quantitative NMR method for analyzing sulfonamides reference materials based on determination of Sulfameter content was developed. The liner range of the method was found to be 1.00~20.00 mg/mL. The regression equation derived was y=0.112 8x+0.016 2, R=0.999 0, and the relative deviation was less than 0.7%. The results of this study showed that quantitative NMR analysis provides a simple, convenient, accurate and stable method for period verification of sulfonamides reference materials.

Key words: NMR, internal standard, sulfonamides reference material, period verification

CLC Number:

O482. 53

WEI Ying-liang*，MO Jian-guang，PAN Yan-kun. A Quantitative NMR Method for Period Verification of Sulfonamides Reference Materials[J]. Chinese Journal of Magnetic Resonance.

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