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Merck
Certified sec. standard reference buffer solution potassium dihydrogen phosphate/di-sodium hydrogen phosphate, pH 7.41 (25 °C), Certipur®

Solução tampão de padrão de referência secundário certificada

Certified sec. standard reference buffer solution potassium dihydrogen phosphate/di-sodium hydrogen phosphate, pH 7.41 (25 °C), Certipur®