Key Comparisons - CCQM-IAWG TITLE

Final reports: CCQM-IAWG Key Comparisons

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Final Report

CCQM-K173.1

Assay of sodium carbonate

https://doi.org/10.1088/0026-1394/61/1A/08015

  • Published: 2024

Final Report

CCQM-K169

Assay of sodium oxalate

https://doi.org/10.59161/HDDB9979

  • Published: 2026

Final Report

CCQM-K161

Anions (Cloride, Sulfate, Bromide, Nitrate, Phosphate (as P)) in seawater

https://doi.org/10.1088/0026-1394/61/1A/08016

  • Published: 2024

Final Report

CCQM-K160

Platinum group elements in automotive catalyst

https://doi.org/10.1088/0026-1394/61/1A/08011

  • Published: 2024

Final Report

CCQM-K158

Elements and inorganic arsenic in rice flour

https://doi.org/10.1088/0026-1394/62/1A/08001

  • Published: 2025

Final Report

CCQM-K155

Elements and tributyltin in sea water

https://doi.org/10.1088/0026-1394/62/1A/08007

  • Published: 2025

Final Report

CCQM-K152

Assay of Potassium Iodate

https://doi.org/10.1088/0026-1394/58/1A/08005

  • Published: 2020

Final Report

CCQM-K151

Mass fraction of a purity-assessed recombinant protein in an aqueous calibration solution using amino acid-based ID-LC-MS and/or sulfur-based ID-ICP-MS

https://doi.org/10.1088/0026-1394/58/1A/08007

  • Published: 2021

Final Report

CCQM-K149

Nitrogen in milk powder

https://doi.org/10.1088/0026-1394/56/1A/08011

  • Published: 2019

Final Report

CCQM-K145

Toxic and essential elements in bovine liver powder

https://doi.org/10.1088/0026-1394/57/1A/08013

  • Published: 2020

Final Report

CCQM-K144

Analysis of trace elements as impurities in alumina powder

https://doi.org/10.1088/0026-1394/62/1A/08019

  • Published: 2025

Final Report

CCQM-K143

Copper calibration solutions

https://doi.org/10.1088/0026-1394/58/1A/08006

  • Published: 2020

Final Report

CCQM-K140

Carbon stable isotope ratio delta values in honey

https://doi.org/10.1088/0026-1394/54/1A/08005

  • Published: 2017

Final Report

CCQM-K139

Comparison of the measurement of clinical markers in human serum

https://doi.org/10.1088/0026-1394/55/1A/08006

  • Published: 2018

Final Report

CCQM-K130

Nitrogen in glycine

https://doi.org/10.1088/0026-1394/54/1A/08004

  • Published: 2017

Final Report

CCQM-K128

Heavy metals and organo-tin in leather powder

https://doi.org/10.1088/0026-1394/55/1A/08020

  • Published: 2018

Final Report

CCQM-K127

Toxic and trace elements in soils

https://doi.org/10.1088/0026-1394/54/1A/08010

  • Published: 2017

Final Report

CCQM-K125

Iodine and other elements in infant formula

https://doi.org/10.1088/0026-1394/54/1A/08013

  • Published: 2017

Final Report

CCQM-K124

Trace elements and Chromium speciation in drinking water

https://doi.org/10.1088/0026-1394/54/1A/08012

  • Published: 2017

Final Report

CCQM-K123

Trace elements in biodiesel fuel

https://doi.org/10.1088/0026-1394/54/1A/08008

  • Published: 2017

Final Report

CCQM-K122

Anionic impurities (Bromide, Sulfate) and Lead in salt solutions

https://doi.org/10.1088/0026-1394/57/1A/08012

  • Published: 2020

Final Report

CCQM-K108

Determination of arsenic species, total arsenic and cadmium in brown rice flour

https://doi.org/10.1088/0026-1394/52/1A/08005

  • Published: 2015

Final Report

CCQM-K108.2014

Determination of arsenic species and total arsenic in brown rice flour

  • Published: 2017

Final Report

CCQM-K107

Elements and Se speciation in human serum

https://doi.org/10.1088/0026-1394/53/1A/08008

  • Published: 2016

Final Report

CCQM-K106

Pb, As and Hg in cosmetic cream

https://doi.org/10.1088/0026-1394/52/1A/08004

  • Published: 2015

Final Report

CCQM-K100

Analysis of Copper in Ethanol

https://doi.org/10.1088/0026-1394/51/1A/08013

  • Published: 2014

Final Report

CCQM-K98

Isotopic abundance ratios of Pb in a pure solution and in bronze

https://doi.org/10.1088/0026-1394/51/1A/08017

  • Published: 2014

Final Report

CCQM-K97

Arsenobetaine in standard solution and in fish tissue (tunafish)

https://doi.org/10.1088/0026-1394/54/1A/08003

  • Published: 2017

Final Report

CCQM-K96.2023

Assay of potassium dichromate

https://doi.org/10.1088/0026-1394/62/1A/08003

  • Published: 2025

Final Report

CCQM-K96

Assay of potassium dichromate

https://doi.org/10.1088/0026-1394/50/1A/08012

  • Published: 2013

Final Report

CCQM-K96.1

Assay of potassium dichromate

  • Published: 2015

Final Report

CCQM-K89

Trace and essential elements in Herba Ecliptae

https://doi.org/10.1088/0026-1394/50/1A/08003

  • Published: 2013

Final Report

CCQM-K88

Determination of lead in lead-free solder containing silver and copper

https://doi.org/10.1088/0026-1394/50/1A/08002

  • Published: 2013

Final Report

CCQM-K87

Monoelemental calibration solutions of Cr, Co and Pb

https://doi.org/10.1088/0026-1394/49/1A/08010

  • Published: 2012

Final Report

CCQM-K75

Toxic metals in algae

https://doi.org/10.1088/0026-1394/48/1A/08002

  • Published: 2011

Final Report

CCQM-K73

Assay of HCl

https://doi.org/10.1088/0026-1394/50/1A/08001

  • Published: 2013

Final Report

CCQM-K72

Purity of zinc

https://doi.org/10.1088/0026-1394/51/1A/08008

  • Published: 2014

Final Report

CCQM-K70

Determination of low levels of Hg in natural water

https://doi.org/10.1088/0026-1394/48/1A/08011

  • Published: 2011

Final Report

CCQM-K64

Analysis of a copper alloy

https://doi.org/10.1088/0026-1394/46/1A/08023

  • Published: 2009

Final Report

CCQM-K60

Total selenium and selenomethionine in selenised wheat flour

https://doi.org/10.1088/0026-1394/47/1A/08012

  • Published: 2010

Final Report

CCQM-K59

Nitrite and nitrate in calibration solutions

https://doi.org/10.1088/0026-1394/45/1A/08015

  • Published: 2008

Final Report

CCQM-K58

Nitrogen and trace elements in silicon nitride power

https://doi.org/10.1088/0026-1394/46/1A/08002

  • Published: 2009

Final Report

CCQM-K57

Chemical composition of clay

https://doi.org/10.1088/0026-1394/46/1A/08020

  • Published: 2009

Final Report

CCQM-K56

Trace elements (calcium, iron, zinc and copper) in whole fat soybean powder

https://doi.org/10.1088/0026-1394/47/1A/08007

  • Published: 2010

Final Report

CCQM-K49

Toxic and essential elements in bovine liver

https://doi.org/10.1088/0026-1394/45/1A/08016

  • Published: 2008

Final Report

CCQM-K48

Assay of potassium chloride

https://doi.org/10.1088/0026-1394/47/1A/08009

  • Published: 2010

Final Report

CCQM-K48.2014

Chloride in KCl

https://doi.org/10.1088/0026-1394/53/1A/08012

  • Published: 2016

Final Report

CCQM-K45

Toxic metals in food

https://doi.org/10.1088/0026-1394/43/1A/08014

  • Published: 2006

Final Report

CCQM-K44

Trace metals in sewage sludge

https://doi.org/10.1088/0026-1394/46/1A/08005

  • Published: 2009

Final Report

CCQM-K43

Organo-mercury in salmon fish

https://doi.org/10.1088/0026-1394/43/1A/08005

  • Published: 2006

Final Report

CCQM-K43.1

Arsenic, Mercury, Selenium and Methylmercury in marine fish

https://doi.org/10.1088/0026-1394/46/1A/08007

  • Published: 2009

Final Report

CCQM-K42

Constituents of an aluminium alloy

https://doi.org/10.1088/0026-1394/45/1A/08012

  • Published: 2008

Final Report

CCQM-K35

Sulfur in diesel fuel

https://doi.org/10.1088/0026-1394/44/1A/08008

  • Published: 2007

Final Report

CCQM-K34.2016.1

Determination of amount of acid in a solid weak acid

https://doi.org/10.1088/0026-1394/58/1A/08004

  • Published: 2020

Final Report

CCQM-K34.1

Assay of potassium hydrogen phthalate

https://doi.org/10.1088/0026-1394/44/1A/08009

  • Published: 2007

Final Report

CCQM-K34

Assay of potassium hydrogen phthalate

https://doi.org/10.1088/0026-1394/43/1A/08008

  • Published: 2006

Final Report

CCQM-K34.2

Assay of potassium hydrogen phthalate

https://doi.org/10.1088/0026-1394/47/1A/08003

  • Published: 2010

Final Report

CCQM-K34.2016

Determination of amount of acid in a solid weak acid

https://doi.org/10.1088/0026-1394/56/1A/08004

  • Published: 2019

Final Report

CCQM-K33

Minor elements in steel

https://doi.org/10.1088/0026-1394/43/1A/08007

  • Published: 2006

Final Report

CCQM-K31

Arsenic in shellfish

https://doi.org/10.1088/0026-1394/43/1A/08003

  • Published: 2005

Final Report

CCQM-K30.1

Lead in wine

https://doi.org/10.1088/0026-1394/50/1A/08007

  • Published: 2013

Final Report

CCQM-K30

Lead in wine

https://doi.org/10.1088/0026-1394/45/1A/08001

  • Published: 2008

Final Report

CCQM-K29.1

Anion calibration solutions

https://doi.org/10.1088/0026-1394/43/1A/08013

  • Published: 2006

Final Report

CCQM-K29

Anion calibration solutions

https://doi.org/10.1088/0026-1394/43/1A/08012

  • Published: 2006

Final Report

CCQM-K28

Tributyltin in sediment

https://doi.org/10.1088/0026-1394/43/1A/08001

  • Published: 2006

Final Report

CCQM-K24

Cadmium (Cd) in rice

https://doi.org/10.1088/0026-1394/40/1A/08001

  • Published: 2003

Final Report

CCQM-K14

Calcium in human serum

https://doi.org/10.1088/0026-1394/41/1A/08003

  • Published: 2004

Final Report

CCQM-K13.1

Amount content of Cadmium (Cd) and Lead (Pb) in sediment

https://doi.org/10.1088/0026-1394/43/1A/08004

  • Published: 2006

Final Report

CCQM-K13

Amount content of Cadmium (Cd) and Lead (Pb) in sediment

https://doi.org/10.1088/0026-1394/39/1A/22

  • Published: 2002

Final Report

CCQM-K8

Monoelemental calibration solutions of Al, Cu, Fe and Mg, 1999 - 2000

https://doi.org/10.1088/0026-1394/39/1A/20

  • Published: 2002

Final Report

CCQM-K2

Cadmium and Lead in natural water, 1998

  • Published: 2000