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CCQM-K155
Metrology area, Sub-field Chemistry and Biology, Inorganics
Description Elements and tributyltin in sea water
Time of measurements 2019
Status Approved for equivalence
Final Reports of the comparisons
Measurand Mass fraction of of elements and trilbutylin in three samples of sea water.
Sample A: Mercury (0.1 µg/kg - 2 μg/kg), Lead (0.5 µg/kg - 10 μg/kg), Nickel (1 µg/kg - 20 μg/kg), Zinc (1 µg/kg - 20 μg/kg)
Sample B: Arsenic (1 µg/kg- 20 μg/kg), Cadmium (0.1 µg/kg - 2 μg/kg), Copper (1 µg/kg- 20 μg/kg)
Sample C: Tributyltin (1 ng/kg- 20 ng/kg)

Transfer device Sample A containing about 250 mL of sea water.
Sample B containing about 100 mL of sea water.
Sample C containing about 1L of sea water.
Comparison type Key Comparison
Consultative Committee CCQM (Consultative Committee for Amount of Substance)
Conducted by CCQM (Consultative Committee for Amount of Substance)
Comments Co-pilot by UME and GL
UME (Turkey) pilots measurements involving samples A and C.
GL (Hong Kong) pilots measurements involving sample B.
Pilot institute GL
Government Laboratory
Hong Kong, China
Contact person Wai hong Fung

+852 2762 3853
Additional
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
Pilot laboratory
GL

Government Laboratory, Hong Kong, China, APMP

FTMC

Center for Physical Sciences and Technology, Lithuania, EURAMET

GUM

Glowny Urzad Miar, Central Office of Measures, Poland, EURAMET

HSA

Health Science Authority, Singapore, APMP

INMETRO

Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM

ISP

Instituto de Salud Pública, Chile, SIM

KRISS

Korea Research Institute of Standards and Science, Korea, Republic of, APMP

LNE

Laboratoire national de métrologie et d'essais, France, EURAMET

MIKES-SYKE

Finnish Environment Institute, Finland, EURAMET

MIRS/IJS/F-2,O-2

MIRS/Jozef Stefan Institute/Low and Medium Energy Physics F2, Environmental Sciences O2, Slovenia, EURAMET

NIM

National Institute of Metrology, China, APMP

NIMT

National Institute of Metrology (Thailand), Thailand, APMP

NMIA

National Measurement Institute, Australia, Australia, APMP

NMIJ AIST

National Metrology Institute of Japan, Japan, APMP

NRC

National Research Council, Canada, SIM

RISE

Research Institutes of Sweden AB, Sweden, EURAMET

UME

TÜBITAK Ulusal Metroloji Enstitüsü, Türkiye, EURAMET

VNIIFTRI

Institute of Physical Technical and Radiotechnical Measurements, Rosstandart, Russian Federation, COOMET

VNIIM

D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET

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Results