Mixed Calibration Standard 10 components: As 50ug/ml ; K 50ug/ml ; La 10ug/ml ; Li 10ug/ml ; Mn 10ug/ml ; Ni 10ug/ml ; Sr 10ug/ml ; Zn 10ug/ml ; Ba 1ug/ml ; Mg 1ug/ml in HNO3 2% - Certificati ISO 17034 / ISO 17025 - Validita 24 mesi

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