Final reports - QM: Key comparisons

Assay of sodium carbonate

Specific Adsorption of Ar on zeolite

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

Carbon Isotope Delta Measurements of Vanillin

Thickness measurement of nm HfO₂ films

Perfluorinated contaminants in water

Perfluorinated contaminants in ground water

Trans-zearalenone (ZEN) in acetonitrile (ACN)

Aflatoxin B1 (AfB1) in acetonitrile (ACN)

Deoxynivalenol (DON) in acetonitrile (ACN)

Patulin (PAT) in acetonitrile (ACN)

Aflatoxin B1 (AfB1) in acetonitrile (ACN)

Specific adsorption of N₂ or Kr on nonporous silicon dioxide

Assay of Potassium Iodate

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

Airborne particle number concentration

Nitrogen in milk powder

Mass fraction assignment of Bisphenol-A high purity material

Niacin (vitamin B3) in milk powder

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

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

Toxic and essential elements in bovine liver powder

Copper calibration solutions

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

Enrofloxacin and sulfadiazine in bovine tissue

Carbon stable isotope ratio delta values in honey

Comparison of the measurement of clinical markers in human serum

Aflatoxins in dried fig

Nitrogen monoxide (NO) in nitrogen (N₂)

Measurement of porosity properties of nanoporous Al2O3

Vitamin D metabolites in human serum

Mass fraction of organic calibration solution

Nitrogen in glycine

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

Heavy metals and organo-tin in leather powder

Toxic and trace elements in soils

Low polarity organic in water

Iodine and other elements in infant formula

Trace elements and Chromium speciation in drinking water

Trace elements in biodiesel fuel

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

Comparison of monoterpenes in nitrogen

Ambient CO₂

Liquified Petroleum Gas

Natural gas

NH₃ in Nitrogen

Water vapour in Nitrogen

Peptide Purity - Glycated Hexapeptide of HbA1c

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

Peptide purity determination - synthetic oxytocin (OXT)

Peptide purity determination - synthetic human C peptide (HCP)

Noble gas mixture

Composition of Biogas

Propane in nitrogen

Propane in nitrogen

Propane in nitrogen

Urea and uric acid in human serum

Determination of arsenic species and total arsenic in brown rice flour

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

Elements and Se speciation in human serum

Pb, As and Hg in cosmetic cream

Conductivity of aqueous salt solution

Purity assessment of high purity organic materials: Avermectin

Melamine in milk powder

Polybrominated diphenyl ethers (PBDEs) in sediment

Oxygen in Nitrogen

Analysis of Copper in Ethanol

pH of phosphate buffer

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

Arsenobetaine in standard solution and in fish tissue (tunafish)

Assay of potassium dichromate

Assay of potassium dichromate

PAHs in tea

Mid-polarity analytes in food matrix

Di-methyl sulphide in Nitrogen

Ethanol in Nitrogen or Air

Measurement of electrolytic conductivity

pH measurement of an unknown phthalate buffer

Formaldehyde in Nitrogen

Trace and essential elements in Herba Ecliptae

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

Monoelemental calibration solutions of Cr, Co and Pb

Relative quantification of Bt63 in GM rice matrix sample

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

Relative quantification of genomic DNA fragments extracted from a biological tissue

Malachite green in fish tissue

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

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

Methane in air : preparative comparison

Chloramphenicol as residue in pig muscle

Creatinine in human serum

Ethanol in aqueous matrix

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

Analytical comparison of synthetic standards of refinery gas

Analytical comparison of standards of sulfur dioxide in nitrogen

Toxic metals in algae

Nitrogen dioxide (NO2) in Nitrogen (N2)

Nitrogen dioxide (NO₂) in Nitrogen (N₂)

Concentration of H⁺ in an HCl solution

Assay of HCl

Purity of zinc

Multi-component gas mixture

Determination of low levels of Hg in natural water

Anabolic steroids in urine: Testosterone glucuronide

Nitrous oxide in air at ambient levels

Nitrous oxide in synthetic air

Measurement of the composition of Fe-Ni alloy films

Purity of methane

Methyl and ethyl mercaptan in methane

Analysis of a copper alloy

Non-peptide hormones in serum: Cortisol and Progesterone

Nutrients in infant/adult formula

Quantitative PCR

Total selenium and selenomethionine in selenised wheat flour

Nitrite and nitrate in calibration solutions

Nitrogen and trace elements in silicon nitride power

Chemical composition of clay

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

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

Purity assessment of high purity organic materials: aldrin

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

Purity assessment of high purity organic materials: Folic acid

n-Hexane in Methane

Oxygen (O₂) in Nitrogen (N₂)

Carbon dioxide (CO₂) in Air

Carbon monoxide (CO) in Nitrogen (N₂)

Reactive gases - ambient levels - NO in N₂

PAHs in soil and particulate matter

Toxic and essential elements in bovine liver

Chloride in KCl

Assay of potassium chloride

VOCs in solution

Ammonia in Nitrogen

Toxic metals in food

Trace metals in sewage sludge

Arsenic, Mercury, Selenium and Methylmercury in marine fish

Organo-mercury in salmon fish

Constituents of an aluminium alloy

Hydrogen Sulfide in Nitrogen

Hydrogen Sulfide in Nitrogen

PCB congeners in solution

Chlorinated pesticides in solution

Determination of PAHs in solution

Measurement of electrolytic conductivity

Determination of electrolytic conductivity in aqueous solutions

Measurement of electrolytic conductivity

Sulfur in diesel fuel

Determination of amount of acid in a solid weak acid

Assay of potassium hydrogen phthalate

Assay of potassium hydrogen phthalate

Determination of amount of acid in a solid weak acid

Assay of potassium hydrogen phthalate

Minor elements in steel

Thickness of SiO₂ on Si film

Arsenic in shellfish

Lead in wine

Lead in wine

Anion calibration solutions

Anion calibration solutions

Tributyltin in sediment

Ethanol in aqueous matrix

Ethanol in aqueous matrix

Ethanol in aqueous matrix

Reactive gases: Nitrogen monoxide in Nitrogen

Reactive gases: Sulfur dioxide in Air

PCBs in sediments

Cadmium (Cd) in rice

Natural gas type I and III

Natural gas type II

Volatile organic compounds in air

pp'-DDT in fish oil

pH measurement of tetroxalate buffer solutions

pH measurement of borate buffer solutions

pH measurement of borate buffer solutions

pH measurement of borate buffer solutions

Determination of pH of carbonate buffer

pH measurement of carbonate buffer solutions

pH measurement of carbonate buffer solutions

pH measurement of phthalate buffer solutions

Natural gas types IV and V

Sulfur Hexafluoride and Carbon Terafluoride in Nitrogen

Calcium in human serum

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

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

Creatinine in human serum, 2001

Concentration of H+ in an HCl solution

Glucose in human serum, 2012

Glucose in human serum, 2001

BTEX in Nitrogen

Benzene, Toluene and Xylene (BTX) in Nitrogen at regulatory levels, 2001

pH measurement of a phosphate buffer solution, 2006 - 2007

pH measurement of phosphate buffer solutions, 1999 - 2000

pH measurement of a phosphate buffer solution, 2000

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

Benzene, Toluene and Xylene (BTX) in Nitrogen at levels higher than regulatory levels, 1999

Cholesterol in human serum, 2012

Cholesterol in human serum, 2000

pp'-DDE in fish oil, 1999

Ethanol in Air, 1999

Automotive emission gases