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General Information:

Address: No.18,Bei San Huan
Dong Lu,Chaoyang
Dist,Beijing,P.R.China, 100013

ws@nim.ac.cn
Tel:+86-10-64525678

 

International Comparisons

CCQM organized eight key comparisons/pilot studies for elemental speciation from 2005. NIM organized and attended all of them, and got satisfied results. On this basis, 10 CMCs about element speciation were claimed.

Time

Code

Analyte

Matrix

Pilot laboratory

2005

CCQM P39.1

Methylmercury

Salmonfish

IRMM

2006

CCQM P86

Selenomethionine

Yeast

LGC & NRCC

2007

CCQM K43.1

Methylmercury

Swordfish

NMIJ

2007

CCQM P96

Arsnobetaine

Swordfish

NMIJ & NIM

2008

CCQM K60

Selenomethionine

Se-rich wheat flour

LGC & NRCC

2009

CCQM P114

PBDE & PBB

Plastic

IRMM

2010

CCQM P96.1

Arsnobetaine

Solution & Codfish

NMIJ & NIM

2012

CCQM K97&P133

Arsnobetaine

Solution & tunafish

NIM & NMIJ