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This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.
grade
certified reference material
Quality Level
Agency
suitable for EPA 200.7
product line
Certipur®
concentration
1000 mg/L K in 0.5 M HNO3 (1000 mg/L K in 0.5 mol/L HNO3)
technique(s)
AAS: suitable
ICP: suitable
pH
0.5 (20 °C in H2O)
density
1.013 g/cm3 at 20 °C
application(s)
industrial qc
pharmaceutical
format
single component solution
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