Final Reports KC CCQM - TITLE

Final reports - QM: Key comparisons

Asset Publisher

Low-Polarity Analytes in Abiotic Matrix: Polycyclic Aromatic Hydrocarbons (PAHs) in Sediment

https://doi.org/10.59161/RBXE4957

Published: 2026

Lithium isotope delta measurements

https://doi.org/10.59161/DLCJ3581

Published: 2026

SARS-CoV-2 RNA copy number quantification

Published: 2025

Polar analyte in high protein food matrix

https://doi.org/10.59161/OSXE9588

Published: 2026

Mass fraction in mg/g of oxytetracycline hydrochloride salt in the oxytetracycline hydrochloride

https://doi.org/10.1088/0026-1394/62/1A/08013

Published: 2025

Small protein in a biological matrix - Total- growth hormone (GH) in human serum

https://doi.org/10.1088/0026-1394/62/1A/08026

Published: 2025

Copy number variant of HER2 in human tissue

https://doi.org/10.1088/0026-1394/61/1A/08017

Published: 2024

Hydrogen chloride in Nitrogen

https://doi.org/10.1088/0026-1394/62/1A/08028

Published: 2025

Assay of sodium carbonate

https://doi.org/10.1088/0026-1394/60/1A/08004

Published: 2023

Assay of sodium carbonate

https://doi.org/10.59161/CJNO5613

Published: 2026

Assay of sodium carbonate

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

Published: 2024

Specific Adsorption of Ar on zeolite

https://doi.org/10.1088/0026-1394/60/1A/08007

Published: 2023

Measurement of electrolytic conductivity

https://doi.org/10.1088/0026-1394/62/1A/08002

Published: 2025

Assay of sodium oxalate

https://doi.org/10.59161/HDDB9979

Published: 2026

Non-polar analytes in high carbohydrate food matrix: Trans-Zearalenone in Maize Powder

https://doi.org/10.1088/0026-1394/60/1A/08021

Published: 2023

Carbon Isotope Delta Measurements of Vanillin

https://doi.org/10.1088/0026-1394/59/1A/08004

Published: 2022

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

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

Published: 2024

Platinum group elements in automotive catalyst

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

Published: 2024

Free amino acids in human plasma

https://doi.org/10.1088/0026-1394/62/1A/08004

Published: 2025

Elements and inorganic arsenic in rice flour

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

Published: 2025

Thickness measurement of nm HfO₂ films

Published: 2023

Perfluorinated contaminants in water

https://doi.org/10.1088/0026-1394/59/1A/08016

Published: 2022

Perfluorinated contaminants in ground water

https://doi.org/10.1088/0026-1394/60/1A/08022

Published: 2023

Elements and tributyltin in sea water

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

Published: 2025

Trans-zearalenone (ZEN) in acetonitrile (ACN)

https://doi.org/10.1088/0026-1394/57/1A/08019

Published: 2020

Aflatoxin B1 (AfB1) in acetonitrile (ACN)

https://doi.org/10.1088/0026-1394/59/1A/08002

Published: 2022

Deoxynivalenol (DON) in acetonitrile (ACN)

https://doi.org/10.1088/0026-1394/60/1A/08002

Published: 2023

Aflatoxin B1 (AfB1) in acetonitrile (ACN)

https://doi.org/10.1088/0026-1394/61/1A/08004

Published: 2024

Patulin (PAT) in acetonitrile (ACN)

https://doi.org/10.1088/0026-1394/60/1A/08023

Published: 2023

Specific adsorption of N₂ or Kr on nonporous silicon dioxide

https://doi.org/10.1088/0026-1394/56/1A/08013

Published: 2019

Assay of Potassium Iodate

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

Published: 2020

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

Airborne particle number concentration

https://doi.org/10.1088/0026-1394/60/1A/08014

Published: 2023

Nitrogen in milk powder

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

Published: 2019

Mass fraction assignment of Bisphenol-A high purity material

https://doi.org/10.1088/0026-1394/58/1A/08015

Published: 2021

Mass fraction in mg/g of oxytetracycline (free base) in the oxytetracycline hydrochloride

https://doi.org/10.1088/0026-1394/62/1A/08012

Published: 2025

Niacin (vitamin B3) in milk powder

https://doi.org/10.1088/0026-1394/56/1A/08015

Published: 2019

Low-Polarity Analyte in high fat food: Benzo[a]pyrene in Olive Oil

https://doi.org/10.1088/0026-1394/58/1A/08011

Published: 2021

Low-Polarity Analyte in high fat food: Benzo[a]pyrene in Olive Oil

https://doi.org/10.1088/0026-1394/57/1A/08017

Published: 2020

Toxic and essential elements in bovine liver powder

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

Published: 2020

Analysis of trace elements as impurities in alumina powder

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

Published: 2025

Copper calibration solutions

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

Published: 2020

CRMs and Value-Assigned Quality Controls: Urea and Uric Acid in Human Serum or Plasma

https://doi.org/10.1088/0026-1394/56/1A/08007

Published: 2019

Enrofloxacin and sulfadiazine in bovine tissue

https://doi.org/10.1088/0026-1394/56/1A/08005

Published: 2019

Carbon stable isotope ratio delta values in honey

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

Published: 2017

Comparison of the measurement of clinical markers in human serum

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

Published: 2018

Aflatoxins in dried fig

Published: 2019

Nitrogen monoxide (NO) in nitrogen (N₂)

https://doi.org/10.1088/0026-1394/57/1A/08001

Published: 2020

Measurement of porosity properties of nanoporous Al2O3

https://doi.org/10.1088/0026-1394/53/1A/08014

Published: 2016

Phthalates in PVC

https://doi.org/10.1088/0026-1394/62/1A/08018

Published: 2025

Vitamin D metabolites in human serum

https://doi.org/10.1088/0026-1394/54/1A/08027

Published: 2017

Mass fraction of organic calibration solution

https://doi.org/10.1088/0026-1394/56/1A/08003

Published: 2019

Nitrogen in glycine

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

Published: 2017

Copper Indium Gallium (di)Selenide (CIGS) thin layer composition

https://doi.org/10.1088/0026-1394/53/1A/08011

Published: 2016

Heavy metals and organo-tin in leather powder

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

Published: 2018

Toxic and trace elements in soils

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

Published: 2017

Low polarity organic in water

https://doi.org/10.1088/0026-1394/54/1A/08030

Published: 2017

Iodine and other elements in infant formula

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

Published: 2017

Trace elements and Chromium speciation in drinking water

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

Published: 2017

Trace elements in biodiesel fuel

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

Published: 2017

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

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

Published: 2020

Comparison of monoterpenes in nitrogen

https://doi.org/10.1088/0026-1394/55/1A/08019

Published: 2018

https://doi.org/10.1088/0026-1394/56/1A/08001

Published: 2019

Liquified Petroleum Gas

https://doi.org/10.1088/0026-1394/55/1A/08004

Published: 2018

https://doi.org/10.1088/0026-1394/59/1A/08017

Published: 2022

NH₃ in Nitrogen

https://doi.org/10.1088/0026-1394/58/1A/08017

Published: 2021

Water vapour in Nitrogen

Published: 2018

Peptide Purity - Glycated Hexapeptide of HbA1c

https://doi.org/10.1088/0026-1394/59/1A/08006

Published: 2022

Peptide purity determination - synthetic human C peptide (HCP)

https://doi.org/10.1088/0026-1394/54/1A/08007

Published: 2017

Peptide purity determination - synthetic oxytocin (OXT)

https://doi.org/10.1088/0026-1394/57/1A/08014

Published: 2020

Peptide purity determination - Hexapeptide of HbA0 (VHLTPE or VE)

https://doi.org/10.1088/0026-1394/59/1A/08013

Published: 2022

Noble gas mixture

https://doi.org/10.1088/0026-1394/54/1A/08017

Published: 2017

Composition of Biogas

https://doi.org/10.1088/0026-1394/57/1A/08011

Published: 2020

Propane in nitrogen

https://doi.org/10.1088/0026-1394/54/1A/08022

Published: 2017

Propane in nitrogen

https://doi.org/10.1088/0026-1394/54/1A/08009

Published: 2017

Propane in nitrogen

https://doi.org/10.1088/0026-1394/55/1A/08016

Published: 2018

Urea and uric acid in human serum

https://doi.org/10.1088/0026-1394/56/1A/08006

Published: 2019

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

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

Published: 2015

Determination of arsenic species and total arsenic in brown rice flour

Published: 2017

Elements and Se speciation in human serum

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

Published: 2016

Pb, As and Hg in cosmetic cream

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

Published: 2015

Conductivity of aqueous salt solution

https://doi.org/10.1088/0026-1394/51/1A/08016

Published: 2014

Purity assessment of high purity organic materials: Avermectin

https://doi.org/10.1088/0026-1394/54/1A/08019

Published: 2017

Melamine in milk powder

https://doi.org/10.1088/0026-1394/54/1A/08018

Published: 2017

Polybrominated diphenyl ethers (PBDEs) in sediment

https://doi.org/10.1088/0026-1394/54/1A/08026

Published: 2017

Oxygen in Nitrogen

https://doi.org/10.1088/0026-1394/53/1A/08013

Published: 2016

Analysis of Copper in Ethanol

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

Published: 2014

pH of a phosphate buffer

https://doi.org/10.59161/YSBU4088

Published: 2026

pH of phosphate buffer

Published: 2016

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

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

Published: 2014

Arsenobetaine in standard solution and in fish tissue (tunafish)

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

Published: 2017

Assay of potassium dichromate

https://doi.org/10.1088/0026-1394/62/1A/08020

Published: 2025

Assay of potassium dichromate

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

Published: 2025

Assay of potassium dichromate

Published: 2015

Assay of potassium dichromate

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

Published: 2013

Mid-polarity analytes in food matrix

https://doi.org/10.1088/0026-1394/52/1A/08007

Published: 2015

https://doi.org/10.1088/0026-1394/56/1A/08002

Published: 2019

Di-methyl sulphide in Nitrogen

https://doi.org/10.1088/0026-1394/53/1A/08002

Published: 2016

Ethanol in Nitrogen or Air

https://doi.org/10.1088/0026-1394/50/1A/08025

Published: 2013

Measurement of electrolytic conductivity

https://doi.org/10.1088/0026-1394/50/1A/08013

Published: 2013

pH measurement of an unknown phthalate buffer

https://doi.org/10.1088/0026-1394/50/1A/08016

Published: 2013

Acidity function of an unknown phthalate buffer at zero chloride molality

https://doi.org/10.1088/0026-1394/61/1A/08014

Published: 2024

Formaldehyde in Nitrogen

https://doi.org/10.1088/0026-1394/54/1A/08029

Published: 2017

Trace and essential elements in Herba Ecliptae

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

Published: 2013

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

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

Published: 2013

Monoelemental calibration solutions of Cr, Co and Pb

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

Published: 2012

Relative quantification of Bt63 in GM rice matrix sample

https://doi.org/10.1088/0026-1394/55/1A/08017

Published: 2018

Relative quantification of genomic DNA fragments extracted from a biological tissue

https://doi.org/10.1088/0026-1394/49/1A/08002

Published: 2012

Relative quantification of genomic DNA fragments extracted from a high oil matrix

https://doi.org/10.1088/0026-1394/57/1A/08004

Published: 2020

Malachite green in fish tissue

https://doi.org/10.1088/0026-1394/50/1A/08010

Published: 2013

Comparison of standard gas mixtures in high pressure gas cylinders with a matrix of air

https://doi.org/10.1088/0026-1394/54/1A/08016

Published: 2017

Comparison of standard gas mixtures in high pressure gas cylinders with a matrix of air

https://doi.org/10.1088/0026-1394/51/1A/08009

Published: 2014

Methane in air : preparative comparison

https://doi.org/10.1088/0026-1394/52/1A/08001

Published: 2015

https://doi.org/10.59161/PDZG9945

Published: 2026

Chloramphenicol as residue in pig muscle

https://doi.org/10.1088/0026-1394/50/1A/08018

Published: 2013

Creatinine in human serum

https://doi.org/10.1088/0026-1394/50/1A/08006

Published: 2013

Ethanol in aqueous matrix

https://doi.org/10.1088/0026-1394/50/1A/08005

Published: 2013

Mass fraction assignment of organic analytes in a multi-component aqueous calibration solution

https://doi.org/10.1088/0026-1394/56/1A/08010

Published: 2019

Non-polar analytes in a multi-component organic solution Mass fraction of non-polar pesticides in acetonitrile

https://doi.org/10.1088/0026-1394/62/1A/08010

Published: 2025

Analytical comparison of synthetic standards of refinery gas

https://doi.org/10.1088/0026-1394/49/1A/08003

Published: 2012

Analytical comparison of standards of sulfur dioxide in nitrogen

https://doi.org/10.1088/0026-1394/48/1A/08015

Published: 2011

Toxic metals in algae

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

Published: 2011

Nitrogen dioxide (NO₂) in Nitrogen (N₂)

https://doi.org/10.1088/0026-1394/49/1A/08005

Published: 2012

Nitrogen dioxide (NO2) in Nitrogen (N2)

https://doi.org/10.1088/0026-1394/58/1A/08018

Published: 2021

Concentration of H⁺ in an HCl solution

https://doi.org/10.1088/0026-1394/58/1A/08002

Published: 2020

Amount content of H+ in an HCl solution

https://doi.org/10.59161/FRDD3126

Published: 2026

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

Published: 2013

Amount content of H+ in an HCl solution

https://doi.org/10.1088/0026-1394/62/1A/08009

Published: 2025

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

Published: 2014

Multi-component gas mixture

https://doi.org/10.1088/0026-1394/47/1A/08021

Published: 2010

Determination of low levels of Hg in natural water

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

Published: 2011

Anabolic steroids in urine: Testosterone glucuronide

https://doi.org/10.1088/0026-1394/47/1A/08018

Published: 2010

Nitrous oxide in synthetic air

https://doi.org/10.1088/0026-1394/48/1A/08004

Published: 2011

Nitrous oxide in air at ambient levels

https://doi.org/10.1088/0026-1394/60/1A/08011

Published: 2023

Measurement of the composition of Fe-Ni alloy films

https://doi.org/10.1088/0026-1394/47/1A/08011

Published: 2010

Purity of methane

https://doi.org/10.1088/0026-1394/49/1A/08001

Published: 2012

Methyl and ethyl mercaptan in methane

https://doi.org/10.1088/0026-1394/47/1A/08004

Published: 2010

Analysis of a copper alloy

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

Published: 2009

Non-peptide hormones in serum: Cortisol and Progesterone

https://doi.org/10.1088/0026-1394/47/1A/08017

Published: 2010

Nutrients in infant/adult formula

https://doi.org/10.1088/0026-1394/47/1A/08016

Published: 2010

Quantitative PCR

https://doi.org/10.1088/0026-1394/46/1A/08021

Published: 2009

Total selenium and selenomethionine in selenised wheat flour

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

Published: 2010

Nitrite and nitrate in calibration solutions

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

Published: 2008

Nitrogen and trace elements in silicon nitride power

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

Published: 2009

Chemical composition of clay

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

Published: 2009

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

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

Published: 2010

Purity assessment of high purity organic materials: L-(+)-Valine

https://doi.org/10.1088/0026-1394/51/1A/08010

Published: 2014

Purity assessment of high purity organic materials: Folic acid

https://doi.org/10.1088/0026-1394/55/1A/08013

Published: 2018

Purity assessment of high purity organic materials: 17beta-Estradiol

https://doi.org/10.1088/0026-1394/49/1A/08009

Published: 2012

Purity assessment of high purity organic materials: aldrin

https://doi.org/10.1088/0026-1394/49/1A/08014

Published: 2012

n-Hexane in Methane

https://doi.org/10.1088/0026-1394/47/1A/08019

Published: 2010

Oxygen (O₂) in Nitrogen (N₂)

https://doi.org/10.1088/0026-1394/47/1A/08005

Published: 2010

Carbon dioxide (CO₂) in Air

https://doi.org/10.1088/0026-1394/45/1A/08011

Published: 2008

Carbon monoxide (CO) in Nitrogen (N₂)

https://doi.org/10.1088/0026-1394/47/1A/08008

Published: 2010

Reactive gases - ambient levels - NO in N₂

Published: 2006

PAHs in soil and particulate matter

https://doi.org/10.1088/0026-1394/47/1A/08006

Published: 2010

Toxic and essential elements in bovine liver

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

Published: 2008

Assay of potassium chloride

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

Published: 2010

Chloride in KCl

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

Published: 2016

VOCs in solution

https://doi.org/10.1088/0026-1394/50/1A/08021

Published: 2013

Ammonia in Nitrogen

https://doi.org/10.1088/0026-1394/47/1A/08023

Published: 2010

Toxic metals in food

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

Published: 2006

Trace metals in sewage sludge

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

Published: 2009

Arsenic, Mercury, Selenium and Methylmercury in marine fish

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

Published: 2009

Organo-mercury in salmon fish

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

Published: 2006

Constituents of an aluminium alloy

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

Published: 2008

Hydrogen Sulfide in Nitrogen

https://doi.org/10.1088/0026-1394/58/1A/08010

Published: 2021

Hydrogen Sulfide in Nitrogen

https://doi.org/10.1088/0026-1394/44/1A/08004

Published: 2007

PCB congeners in solution

Published: 2005

Chlorinated pesticides in solution

Published: 2005

Determination of PAHs in solution

https://doi.org/10.1088/0026-1394/46/1A/08003

Published: 2009

Measurement of electrolytic conductivity

https://doi.org/10.1088/0026-1394/46/1A/08004

Published: 2009

Measurement of electrolytic conductivity

https://doi.org/10.1088/0026-1394/47/1A/08025

Published: 2010

Determination of electrolytic conductivity in aqueous solutions

https://doi.org/10.1088/0026-1394/54/1A/08032

Published: 2017

Sulfur in diesel fuel

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

Published: 2007

Assay of potassium hydrogen phthalate

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

Published: 2006

Determination of amount of acid in a solid weak acid

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

Published: 2020

Assay of potassium hydrogen phthalate

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

Published: 2010

Assay of potassium hydrogen phthalate

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

Published: 2007

Determination of amount of acid in a solid weak acid

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

Published: 2019

Minor elements in steel

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

Published: 2006

Thickness of SiO₂ on Si film

https://doi.org/10.1088/0026-1394/45/1A/08013

Published: 2008

Arsenic in shellfish

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

Published: 2005

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

Published: 2013

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

Published: 2008

Anion calibration solutions

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

Published: 2006

Anion calibration solutions

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

Published: 2006

Tributyltin in sediment

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

Published: 2006

Ethanol in aqueous matrix

https://doi.org/10.1088/0026-1394/42/1A/08005

Published: 2005

Ethanol in aqueous matrix

https://doi.org/10.1088/0026-1394/41/1A/08002

Published: 2004

Ethanol in aqueous matrix

https://doi.org/10.1088/0026-1394/50/1A/08019

Published: 2013

Reactive gases: Sulfur dioxide in Air

https://doi.org/10.1088/0026-1394/44/1A/08007

Published: 2007

Reactive gases: Nitrogen monoxide in Nitrogen

Published: 2006

PCBs in sediments

https://doi.org/10.1088/0026-1394/41/1A/08001

Published: 2004

Cadmium (Cd) in rice

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

Published: 2003

Natural gas type II

https://doi.org/10.1088/0026-1394/47/1A/08013

Published: 2010

Natural gas type I and III

https://doi.org/10.1088/0026-1394/44/1A/08001

Published: 2007

Volatile organic compounds in air

https://doi.org/10.1088/0026-1394/44/1A/08006

Published: 2007

pp'-DDT in fish oil

https://doi.org/10.1088/0026-1394/40/1A/08004

Published: 2003

pH measurement of tetroxalate buffer solutions

https://doi.org/10.1088/0026-1394/46/1A/08022

Published: 2009