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SubNo 
Field 
Comparison inentifier 
Description 
Start Year 
Finish Year 
Comparison type 
Field 
Parameter(s) 
Status 
Pilot 
Publish Time 
Bioanalysis 


1 
QM 
CCQM K61 
Quantitative PCR 
2007 
2007 
K 
Amount of Substance, Bioanalysis 
Quantitative plasmid DNA based on a matched standard (matrix of non target DNA): 0.02 pg/µl and 0.002 pg/µl 
Approved for equivalence, Results available 
LGC&NIST 
2009 
2 
QM 
CCQM K86 
Relative quantification of genomic DNA fragments extracted from a biological tissue 
2010 
2010 
K 
Amount of Substance, Bioanalysis 
Ratio of number of copies of specified intact sequence segments of a length in the range of 70 to 100 nucleotides in a single genomic DNA extract 
Approved for equivalence, Results available 
IRMM 
2012 
Electrochemistry 


3 
QM 
CCQM K18 
pH measurement of carbonate buffer solutions 
2006 
2006 
K 
Amount of Substance, Electrochemistry 
pH 10 ； Temperature: 25 °C 
Approved for equivalence, Results available 
SMU 
2007 
4 
QM 
CCQM K18.1 
pH measurement of carbonate buffer solutions 
2007 
2007 
K 
Amount of Substance, Electrochemistry 
pH 10 ； Temperature: 25 °C 
Approved for equivalence, Results available 
SMU 

5 
QM 
CCQM K34 
Assay of potassium hydrogen phthalate 
2004 
2004 
K 
Amount of Substance, Electrochemistry 
Amount content, expressed in mol/kg 
Approved for equivalence, Results available 
SMU 
2006 
6 
QM 
CCQM K9 
pH measurement of phosphate buffer solutions 
1999 
2000 
K 
Amount of Substance, Electrochemistry 
15 °C, 25 °C and 37 °C plus 7 other temperatures 
Approved for equivalence, Results available 
PTB 

7 
QM 
CCQM K17 
pH measurement of phthalate buffer solutions 
2001 
2001 
K 
Amount of Substance, Electrochemistry 
Temperature: 15 °C, 25 °C and 37 °C 
Approved for equivalence, Results available 
PTB 

8 
QM 
CCQM K73 
Assay of HCl 
2009 

K 
Amount of Substance, Electrochemistry 
Amount content, nominal value: 0.1 mol/kg 
Report in progress, Draft B 
NIST 

9 
QM 
CCQMK36.1 
Measurement of electrolytic conductivity 
2007 
2008 
K 
Amount of Substance, Electrochemistry 
Electrolytic conductivity: 0.5 S/m and 5 mS/m 
Approved for equivalence, Results available 
DFM 
2009 
10 
QM 
CCQM K48 
Assay of potassium chloride 
2007 

K 
Amount of Substance, Electrochemistry 
Amount content of chloride in potassium chloride 
Approved for equivalence, Results available 
NIM 
2010 
11 
QM 
CCQM K92 
Measurement of electrolytic conductivity 
2011 

K 
Amount of Substance, Electrochemistry 
Conductivity: 0.05 S/m and 20 S/m 
Report in progress, Draft B 
SMU 

12 
QM 
APMP.QM K9 
pH measurement of phosphate buffer solutions 
2009 
2010 
K 
Amount of Substance, Electrochemistry 
pH ~ 6.86 Temperature: 15 °C, 25 °C and 37 °C 
In progress 
NMIJ 

13 
QM 
CCQM K19.1 
pH measurement of borate buffer solutions 

2010 
K 
Amount of Substance, Electrochemistry 
Temperature: 15 °C, 25 °C and 37 °C 
Approved for equivalence, Results available 
PTB 
2011 
14 
QM 
CCQM K96 
Assay of Potassium dichromate 
2011 
2012 
K 
Key comparison in Amount of Substance, Electrochemistry 
Amount content of oxidants expressed as potassium dichromate, nominal value 3.4 mol/kg 
Report in progress, Draft A 
KRISS & SMU 

Gas 


15 
QM 
APMP.QM K1.c 
Exhaust emission gases: Nitrogen monoxide in Nitrogen 
2005 
2006 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of NO in N2: 100 µmol/mol 
Approved for equivalence, Results available 
KRISS 
2010 
16 
QM 
APMP.QM K1.d 
Sulfur dioxide (SO2) in Nitrogen (N2) 
2005 
2006 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of SO2 in N2: 100 µmol/mol 
Approved for equivalence 
CERI 
2008 
17 
QM 
APMP.QM K4.1 
Ethanol in nitrogen 
2005 
2006 
K 
Amount of Substance, Gases 
Amountofsubstance fraction: 120 µmol/mol 
Approved for equivalence, Results available 
CERI( 
2008 
18 
QM 
APMP.QM K41 
Comparison of standard gas mixtures in high pressure gas cylinders with a matrix of air 
2011 
 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of hydrogen sulphide in nitrogen 
Planned 
KRISS 

19 
QM 
APMP.QM K46 
Ammonia in Nitrogen 
2012 
 
K 
Amount of Substance, Gases 
Amount of substance fraction of Ammonia in Nitrogen: 30 µmol/mol to 50 µmol/mol 
Planned 
CERI( 

20 
QM 
CCQM K1.a 
Carbon monoxide (CO) in Nitrogen (N2) 
1994 
1995 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of CO in N2: 100 µmol/mol, 1000 µmol/mol, and 60 mmol/mol 
Approved for equivalence, Results available 
NmiVSL 

21 
QM 
CCQM K1.b 
Carbon dioxide (CO2) in Nitrogen (N2) 
1993 
1994 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of CO2 in N2: 100 µmol/mol, 1000 µmol/mol and 150 mmol/mol 
Approved for equivalence, Results available 
NmiVSL 

22 
QM 
CCQM K1.c 
Nitrogen monoxide (NO) in Nitrogen (N2) 
1995 
1996 
K 
Amount of Substance, Gases 
Approved for equivalence, Results available 
Approved for equivalence, Results available 
NmiVSL 

23 
QM 
CCQM K1.d 
Sulfur dioxide (SO2) in Nitrogen (N2) 
1996 
1997 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of SO2 in N2: 100 µmol/mol and 1000 µmol/mol 
Approved for equivalence, Results available 
NmiVSL 

24 
QM 
CCQM K1.e 
Natural gas type I 
1996 
1997 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Natural gas type I: 
Approved for equivalence, Results available 
NmiVSL 

25 
QM 
CCQM K1.f 
Natural gas type II 
1996 
1997 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Natural gas type II: 
Approved for equivalence, Results available 
NmiVSL 

26 
QM 
CCQM K1.g 
Natural gas type III 
1996 
1997 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Natural gas type III: 
Approved for equivalence, Results available 
NmiVSL 

27 
QM 
CCQM K16.a 
Gas mixtures: Natural gas type IV 
2001 
2002 
K 
Amount of Substance, Gases 
Low calorific mixture 
Approved for equivalence, Results available 
BAM、 NmiVSL 

28 
QM 
CCQM K16.b 
Gas mixtures: Natural gas type V 
2001 
2002 
K 
Amount of Substance, Gases 
High calorific mixture 
Approved for equivalence, Results available 
BAM、 NmiVSL 

29 
QM 
CCQM K23.a 
Natural gas type I 
2004 
2005 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Natural gas type I: 
Approved for equivalence, Results available 
NMiVSL 
2006 
30 
QM 
CCQM K23.b 
Natural gas type II 
2004 
2005 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Natural gas type II: 
Approved for equivalence, Results available 
VSL(NMiVSL) 
2008 
31 
QM 
CCQM K23.c 
Natural gas type III 
2004 
2005 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Natural gas type III: 
Approved for equivalence, Results available 
NMiVSL 
2006 
32 
QM 
CCQM K3 
Automotive emission gases 
1998 
1999 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of CO (32 mmol/mol), CO2 (135 mmol/mol) and C3H8 (2.05 mmol/mol); N2 balance 
Approved for equivalence, Results available 
NmiVSL 

33 
QM 
CCQM K4 
Ethanol in Air 
1999 
1999 
K 
Amount of Substance, Gases 
Amountofsubstance fraction: 120 µmol/mol 
Approved for equivalence, Results available 
NPL 

34 
QM 
CCQM K41 
H_{2}S in Nitrogen 
2004 
2005 
K 
Amount of Substance, Gases 
Amount of substance fraction, nominal value: 10 µmol/mol 
Approved for equivalence, Results available 
NIST 
2006 
35 
QM 
CCQM K51 
Carbon monoxide (CO) in Nitrogen (N2) 
2006 
2006 
K 
Amount of Substance, Gases 
Amountofsubstance fraction: 5 µmol/mol 
Approved for equivalence, Results available 
NMISA 
2010 
36 
QM 
CCQM K52 
Carbon dioxide (CO2) in Air 
2006 
2006 
K 
Amount of Substance, Gases 
Amountofsubstance fraction: 360 µmol/mol 
Approved for equivalence, Results available 
VSL(NMiVSL) 
2008 
37 
QM 
CCQM K66 
Purity of methane 
2008 

K 
Amount of Substance, Gases 
Measurement of impurity levels in methane: nitrogen, argon, carbon dioxide, and ethane, each at levels between 1 µmol/mol and 5 µmol/mol 
Approved for equivalence, Results available 
NMIJ 

38 
QM 
CCQM K68 
Nitrous oxide in synthetic air 
2008 
2009 
K 
Amount of Substance, Gases 
Amountofsubstance fraction: 320 nmol/mol 
Approved for equivalence, Results available 
KRISS 
2011 
39 
QM 
CCQM K71 
Multicomponent gas mixture 
2008 
2009 
K 
Amount of Substance, Gases 
Amount of substance fraction of NO (10 µmol/mol to 100 µmol/mol), SO2 (20 µmol/mol to 200 µmol/mol), CO (10 µmol/mol to 100 µmol/mol), CO2 (100 mmol/mol to 160 mmol/mol), and C3H8 (1 µmol/mol to 10 µmol/mol) in Stack gas 
Approved for equivalence, Results available 
VSL 

40 
QM 
CCQM K74 
Nitrogen dioxide (NO2) in Nitrogen (N2) 
2009 
2010 
K 
Amount of Substance, Gases 
10 µmol/mol 
Approved for equivalence, Results available 
BIPM、VSL 

41 
QM 
BIPM.QM K1 
Ozone at ambient level 
2007  

K 
Amount of Substance, Gases 
Amount fraction of ozone, in nmol/mol 
Ongoing, approved for equivalence, Results available 
BIPM 
2009 
42 
QM 
CCQM K76 
Analytical comparison of standards of sulphur dioxide in nitrogen 
2010 

K 
Amount of Substance, Gases 
Amountofsubstance fraction at a nominal value of 100 µmol/mol 
Approved for equivalence, Results available 
NIST 

43 
QM 
CCQM K77 
Analytical comparison of synthetic standards of refinery gas 
2010 

K 
Amount of Substance, Gases 
Amountofsubstance fraction of eight hydrocarbon components, hydrogen and nitrogen in a balance of helium 
Approved for equivalence, Results available 
VSL 

44 
QM 
CCQM K101 
Oxygen in Nitrogen 
2012 
 
K 
Amount of Substance, Gases 
Amountofsubstance fraction of Oxygen in Nitrogen 
Planned 
NIM 

Inorganics 


45 
QM 
CCQM K13 
Amount content of Cadmium (Cd) and Lead (Pb) in sediment 
2000 
2000 
K 
Amount of Substance, Inorganics 
Amount content: ~ 5.5 µmol/kg for Cd and ~ 170 µmol/kg for Pb 
Approved for equivalence, Results available 
IRMM 

46 
QM 
CCQM K24 
Cadmium (Cd) in rice 
2001 
2001 
K 
Amount of Substance, Inorganics 
Amount content: ~10 nmol/g 
Approved for equivalence, Results available 
IRMM 

47 
QM 
CCQM K29 
Anion calibration solutions 
2003 
2004 
K 
Amount of Substance, Inorganics 
Mass fraction of chloride (1 g/kg) and phosphate (1 g/kg) 
Approved for equivalence, Results available 
EMPA, SMU 
2006 
48 
QM 
CCQM K30 
Lead in wine 
2006 
2007 
K 
Amount of Substance, Inorganics 
Mass fraction of Pb: ~ 3 ng/g 
Approved for equivalence, Results available 
LGC 
2008 
49 
QM 
CCQM K49 
Toxic and essential elements in bovine liver 
2006 
2006 
K 
Amount of Substance, Inorganics 
Mass fraction of Fe, Zn, Se, Cd, Pb, Cr and As in bovine lever 
Approved for equivalence, Results available 
DFM 
2008 
50 
QM 
CCQM K8 
Monoelemental calibration solutions of Al, Cu, Fe and Mg 
1999 
2000 
K 
Amount of Substance, Inorganics 
Mass fraction at a nominal value of 1 g/kg 
Approved for equivalence, Results available 
BNMLNE、EMPA 

51 
QM 
CCQM K43.1 
Arsenic, Mercury, Selenium and Methylmercury in marine fish 
2007 
2007 
K 
Amount of Substance, Inorganics 
Amount concentration of Arsenic (88 µmol/kg), Mercury (26 µmol/kg), Methylmercury (22 µmol/kg), and Selenium (28 µmol/kg) in swordfish 
Approved for equivalence, Results available 
NMIJ 

52 
QM 
CCQM K56 
Trace elements (calcium, iron, zinc and copper) in whole fat soybean powder 
2007 

K 
Amount of Substance, Inorganics 
Mass fraction of Ca: 1000 mg/kg to 2000 mg/kg, of Fe: 30 mg/kg to 100 mg/kg, of Zn: 10 mg/kg to 80 mg/kg, and of Cu: 5 mg/kg to 20 mg/kg 
Approved for equivalence, Results available 
NIM 
2010 
53 
QM 
CCQMK59 
Nitrite and nitrate in calibration solutions 
2007 

K 
Amount of Substance, Inorganics 
Mass fractions of anions in calibration solutions of nitrate and nitrite: ~ 1 g/kg 
Approved for equivalence, Results available 
SMU 
2008 
54 
QM 
CCQMK60 
Total selenium and selenomethionine in selenised wheat flour 
2008 

K 
Amount of Substance, Inorganics 
Mass fraction of total Se and of SeMet in wheat flour 
Approved for equivalence, Results available 
LGC & NRC 
2010 
55 
QM 
CCQM K88 
Determination of lead in leadfree solder containing silver and copper 
2010 

K 
Amount of Substance, Inorganics 
Mass fraction of lead: 100 mg/kg to 600 mg/kg 
Report in progress, Draft B 
KRISS&NIM&NMIJ 

56 
QM 
CCQM K75 
Toxic metals in algae 
2009 
2009 
K 
Amount of Substance, Inorganics 
Mass fraction of Platinum and Nickel in algae material 
Approved for equivalence, Results available 
IAEA 
2011 
57 
QM 
CCQMK89 
Trace and essential elements in Herba Ecliptae 
2010 
2011 
K 
Amount of Substance, Inorganics 
Mass fraction of Ar, Cd, Pb, Ca and Zn 
Report in progress, Draft B 
GL(香港） 

58 
QM 
CCQMK97 
Arsenobetaine in standard solution and in fish tissue (tunafish) 
2012 
 
K 
Amount of Substance, Inorganics 
Nominal values 
In progress 
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59 
QM 
APMP.QMS3 
Cadmium in rice powder 
2011 

S 
Amount of Substance, Inorganics 
Mass fraction of Cadmium in rice: ~0.36 mg/kg 
Approved and published 
KRISS/NIM/NMIJ 

60 
QM 
CCQM K100 
Analysis of Copper in Ethanol 
2011 
2012 
K 
Amount of Substance, Inorganics 
Mass fraction of Copper in Ethanol: 0.15 mg/kg to 0.30 mg/kg 
Report in progress, Draft A 
INMETRO 

61 
QM 
CCQMK87 
Monoelemental calibration solutions of Cr, Co and Pb 
2010 
2011 
K 
Amount of Substance, Inorganics 
Approved for equivalence, Results available 
Mass fraction at a nominal value of 1 g/kg 
PTB 
2012 
62 
QM 
CCQM K98 
Isotopic abundance ratios 
2012 
2013 
K 
Amount of Substance, Inorganics 
Isotope amount ratios of Pb in bronze: natural range 
In progress 
BAM 

63 
QM 
CCQM K108 
Determination of arsenic species, total arsenic and cadmium in brown rice flour 
2013 
2013 
K 
Amount of Substance, Inorganics 
Mass fraction 
In progress 
NMIJ 

64 
QM 
APMP.QM S5 
Essential and toxic elements in seafood 
2011 
2011 
S 
Amount of Substance, Inorganics 
Iron, zinc, arsenic and cadmium at µg/g levels in a sample of dried shrimp 
Approved and published 
GL 

Organics 


65 
QM 
CCQM K11.1 
Glucose in human serum 
2005 
2005 
K 
Amount of Substance, Organics 
Mass fraction 
Report in progress, Draft B 
KRISS 

66 
QM 
CCQM K12.1 
Creatinine in human serum 
2005 
2005 
K 
Amount of Substance, Organics 
Mass fraction 
Report in progress, Draft B 
KRISS 

67 
QM 
CCQM K21 
pp'DDT in fish oil 
2001 
2001 
K 
Amount of Substance, Organics 
Mass fraction: ~70 ng/g and 170 ng/g 
Approved for equivalence, Results available 
LGC 

68 
QM 
CCQM K27.a 
Ethanol in aqueous matrix 
2002 
2002 
K 
Amount of Substance, Organics 
Forensic level 
Approved for equivalence, Results available 
BAM、LGC 

69 
QM 
CCQM K27.b 
Ethanol in aqueous matrix 
2002 
2002 
K 
Amount of Substance, Organics 
Commodity level 
Approved for equivalence, Results available 
BAM、LGC 

70 
QM 
CCQM K38 
Determination of PAHs in solution 
2004 
2005 
K 
Amount of Substance, Organics 
Mass fraction of Phenanthrene, Fluoranthene, Benz[a]anthracene, Benzo[a]pyrene, Benzo[ghi]perylene in solution containing additional PAHs 
Approved for equivalence, Results available 
NIST 
2009 
71 
QM 
CCQM K39 
Chlorinated pesticides in solution 
2004 
2005 
K 
Amount of Substance, Organics 
Mass fraction of 4,4'DDE, 4,4'DDT, Lindane, transNonachlor in isooctane solution containing additionnal pesticides 
Approved for equivalence 
NIST 

72 
QM 
CCQM K5 
pp'DDE in fish oil 
1999 
1999 
K 
Amount of Substance, Organics 
Mass fraction: 1.5 µg/g (natural material) and 6 µg/g (fortified material) 
Approved for equivalence, Results available 
LGC 

73 
QM 
CCQM K6 
Cholesterol in human serum 
2000 
2000 
K 
Amount of Substance, Organics 
Mass fraction: ~2.2 mg/g and ~1.7 mg/g 
Approved for equivalence, Results available 
NIST 

74 
QM 
CCQM K40 
PCB congeners in solution 
2004 
2004 
K 
Amount of Substance, Organics 
Mass fraction of PCB 28, PCB 101, PCB 105 and PCB 153 in solution 
Approved for equivalence 
NIST 

75 
QM 
CCQM K62 
Nutrients in infant/adult formula 
2007 
2008 
K 
Amount of Substance, Organics 
Folic acid: 2 µg/g 
Approved for equivalence, Results available 
NIST 
2010 
76 
QM 
CCQM K63.a 
Nonpeptide hormones in serum: Cortisol 
2007 

K 
Amount of Substance, Organics 
Mass fraction of Cortisol in human serum 
Approved for equivalence, Results available 
NIST 
2010 
77 
QM 
CCQM K63.b 
Nonpeptide hormones in serum: Progesterone 
2007 

K 
Amount of Substance, Organics 
Mass fraction of Progesterone in human serum 
Approved for equivalence, Results available 
NIST 
2010 
78 
QM 
CCQM K55.a 
Purity assessment of high purity organic materials: 17betaEstradiol 
2008 
2009 
K 
Amount of Substance, Organics 
Mass fraction of 17betaEstradiol 
Approved for equivalence, Results available 
BIPM 

79 
QM 
CCQM K55.b 
Purity assessment of high purity organic materials: aldrin 
2010 
2010 
K 
Amount of Substance, Organics 
Mass fraction of aldrin 
Approved for equivalence 
BIPM 

80 
QM 
Low polarity analytes in abiotic matrix: Polybrominated diphenyl ethers in sediment 
2012 
2013 
K 
Amount of Substance, Organics 
Mass fraction ranges on a dry mass basis from 0.2 µg/kg to 50 µg/kg for BDE 47, 99, 153 and 183, and from 3000 µg/kg to 12000 µg/kg for BDE 209 
Protocol complete 
IRMM 


81 
QM 
CCQMK103 
Melamine in milk powder 

2012 
K 
Amount of Substance, Organics 
Mass fraction of melamine in milk powder: 0.1 mg/kg to 5.0 mg/kg 
In progress 
GL(香港） 
2012 
82 
QM 
CCQM K80 
Creatinine in human serum 
2010 
2010 
K 
Amount of Substance, Organics 
Value assignment of CRMs and PT materials 
Approved for equivalence, Results available 
NIST 

Surface 


83 
QM 
CCQM K32 
Thickness of SiO2 on Si film 
2005 
2005 
K 
Amount of Substance, Surface 
Amount of substance of SiO2 in ultrathin layers on Si, expressed in nm of SiO2: 1.5 nm to 8 nm 
Approved for equivalence, Results available 
NPL 
2008 
84 
QM 
CCQM K67 
Measurement of the composition of FeNi alloy films 
2008 

K 
Key comparison in Amount of Substance, Surface 
Atomic fractions of a FeNi alloy film 
Approved for equivalence, Results available 
LGC&NIST 
2010 