Padrão de referência Khellin, CAS 82-02-0, é um material de referência caracterizado e certificado quanto à composição e pureza, fornecido com certificado de análise detalhado que inclui valor de ensaio, incerteza de medição e dados de homogeneidade e estabilidade. A matéria-prima é quantificada por técnicas analíticas validadas, com rastreabilidade metrológica documentada e controles de qualidade conforme normas aplicáveis. O padrão é embalado e acondicionado para preservar integridade durante armazenamento e transporte, com informações de lote, data de validade e instruções de manuseio. Disponível em formatos de massa e concentração especificados, garante consistência entre lotes e documentação para auditorias.
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