Uncertainty Evaluation in Determination of Banned Azo Dyes in Synthetic Leather by GC-MS
GB/T 19942-2019 prescribes the method for the determination of banned azo dyes in leather and fur.A mathematical model was established for the determination of benzidine in synthetic leather by GC-MS,the sources of uncertainty were analyzed and each component was evaluated and synthesized.Finally,the compositive uncertainty and effective degrees of freedom were given.
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