Sódio Etil Parahidroxibenzoato Padrão de Referência, CAS 35285-68-8, fornecido como sólido cristalino de pureza certificada e valor de referência estabelecido por ensaios instrumentais. Cada lote apresenta certificado de análise com valor nominal e incerteza expandida, rastreabilidade metrológica e dados de homogeneidade e estabilidade. Caracterizado por técnicas analíticas validadas, incluindo HPLC, RMN e espectrometria de massa, o material cumpre critérios de identidade, teor e impurezas relacionadas. Acondicionado em frascos selados sob condições controladas, com recomendações de armazenamento em local seco e temperatura controlada. Fornece referência robusta para calibração e validação analítica.
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