|Metrology area, Sub-field||Chemistry and Biology, Inorganics|
|Description||Trace of As, Cd, P and Na in mate|
|Time of measurements||2021|
|Comparison type||Supplementary Comparison|
|Consultative Committee||CCQM (Consultative Committee for Amount of Substance)|
|Conducted by||SIM (Inter-American Metrology System)|
|RMO Internal Identifier||SIM.QM-S11 / SIM.QM-P25|
|Comments||Yerba mate (Ilex paraguariensis, Aquilfoliaceae) is a native plant which grows in the subtropical regions of South America: Paraguay, Brazil, Argentina and Uruguay. It is consumed as an infusion called “mate” in the beforementioned countries as well as all around the world as tea. Due to safety reasons the mass fraction of arsenic and cadmium is constantly monitored. Besides, the mass fraction of nutrients as sodium and phosphorus is also measured for labeling purposes.
The aim of this comparison is to enable NMIs/DIs to demonstrate their competence in the determination of elements at low and high levels in a vegetal material within the high silica content category.
The pilot study SIM.QM-P25 is associated to SIM.QM-S11.
Laboratorio Tecnologico del Uruguay
|Contact person||Ramiro Pérez Zambra
+59826013724 ext 1513
Laboratorio Tecnologico del Uruguay, Uruguay, SIM
Centro Nacional de Metrologia, Mexico, SIM
National Laboratory of Chemical Metrology/GCSL - Hellenic Institute of Metrology, Greece, EURAMET
Health Science Authority, Singapore, APMP
Instituto Boliviano de Metrología, Bolivia, SIM
National Institute for Quality, Peru, SIM
Instituto Nacional de Metrología de Colombia, Colombia, SIM
Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM
Instituto Nacional de Tecnologia Industrial, Argentina, SIM
Instituto de Salud Pública, Chile, SIM
Laboratorio Costarricense de Metrologia, Costa Rica, SIM
MIRS/Jozef Stefan Institute/Low and Medium Energy Physics F2, Environmental Sciences O2, Slovenia, EURAMET
National Institute of Metrology (Thailand), Thailand, APMP
National Metrology Institute of South Africa, South Africa, AFRIMETS
Institute of Physical Technical and Radiotechnical Measurements, Rosstandart, Russian Federation, COOMET
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