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Reference Materials

Producer RM Code Name    Item Trust Updated
 
  Properties:
Isotope amount ratio (206 Pb) / (204 Pb) 21.114 mol/mol
Isotope amount ratio (207 Pb) / (206 Pb) 15.944 mol/mol
Isotope amount ratio (208 Pb) / (204 Pb) 39.850 mol/mol
Isotope amount ratio (208 Pb) / (206 Pb) 1.8874 mol/mol
Isotope amount fraction (204 Pb) / (Pb) 0.0128357 mol/mol
Isotope amount fraction (206 Pb) / (Pb) 0.27101 mol/mol
Isotope amount fraction (207 Pb) / (Pb) 0.20465 mol/mol
Isotope amount fraction (208 Pb) / (Pb) 0.51150 mol/mol
Molar mass 207.17783 g/mol

Remarks:
Lead in dilute nitric acid. The lead isotopic reference material is a solution of natural lead in 1 mol/L nitric acid with a Pb mass fraction of 100 mg/kg. acidified solution of pure magnesium. It should be stored between 5°C and 25°C at places, where the risk of mechanical damage is low.

Intended Use:
This material is designed for verification and validation of all procedures (e.g. TIMS, ICP-MS) being used for the determination of Pb isotope amount ratios.

CRM Certificate:  c2841857.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 1.1 Inorganic Trace Analysis (Germany)

This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)

 

Public link to this factsheet: www.comar.bam.de/rm/463300
 
  Properties:
Isotope amount ratio (25 Mg) / (24 Mg) 0.126 514 mol/mol
Isotope amount ratio (26 Mg) / (24 Mg) 0.139 185 mol/mol
Isotope amount fraction n(24 Mg) / n(Mg) 0.790 078 mol/mol
Isotope amount fraction n(25 Mg) / n(Mg) 0.099 956 mol/mol
Isotope amount fraction n(26 Mg) / n(Mg) 0.109 967 mol/mol
Molar mass of Mg in solution M(Mg) 24.304 741 g/mol

Remarks:
ERM®-AE145 is a solution of natural pure Magnesium (Mg) in nitric acid (2 %, w/w) with a Magnesium (Mg) mass fraction of 50 mg/kg. Approximately 20 mL of this solution each is filled in perfluoralkoxy alkane bottles.

Intended Use:
This material is designed for calibration of all procedures (e.g. thermal ionization mass spectrometry, inductively coupled plasma mass spectrometry) being used for the determination of Mg isotope amount ratios and Mg delta values, once the delta scale has been established.

CRM Certificate:  c2912657.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 1.1 Inorganic Trace Analysis (Germany)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)

 

Public link to this factsheet: www.comar.bam.de/rm/118700
 
  Properties:
Isotope amount fraction n(24 Mg) / n(Mg) 0.126 486 mol/mol
Isotope amount ratio (25 Mg) / (24 Mg) 0.139 138 mol/mol
Isotope amount ratio (26 Mg) / (24 Mg) 0.790 124 mol/mol
Isotope amount fraction n(25 Mg) / n(Mg) 0.099 939 mol/mol
Isotope amount fraction n(26 Mg) / n(Mg) 0.109 936 mol/mol
Molar mass of Mg in solution M(Mg) 24.304 664 g/mol

Remarks:
ERM®-AE144 is a solution of natural pure Magnesium (Mg) in nitric acid (2 %, w/w) with a Magnesium (Mg) mass fraction of 50 mg/kg. Approximately 20 mL of this solution each is filled in perfluoralkoxy alkane bottles.

Intended Use:
This material is designed for calibration of all procedures (e.g. thermal ionization mass spectrometry, inductively coupled plasma mass spectrometry) being used for the determination of Mg isotope amount ratios and Mg delta values, once the delta scale has been established.

CRM Certificate:  c2912640.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 1.1 Inorganic Trace Analysis (Germany)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)

 

Public link to this factsheet: www.comar.bam.de/rm/148800
 
  Properties:
Isotope amount ratio (25 Mg) / (24 Mg) 0.126 590 mol/mol
Isotope amount ratio (26 Mg) / (24 Mg) 0.139 362 mol/mol
Isotope amount fraction n(24 Mg) / n(Mg) 0.789 920 mol/mol
Isotope amount fraction n(25 Mg) / n(Mg) 0.099 996 mol/mol
Isotope amount fraction n(26 Mg) / n(Mg) 0.110 085 mol/mol
Molar mass of Mg in solution M(Mg) 24.305 017 g/mol

Remarks:
ERM®-AE143 is a solution of natural pure Magnesium (Mg) in nitric acid (2 %, w/w) with a Magnesium (Mg) mass fraction of 50 mg/kg. Approximately 20 mL of this solution each is filled in perfluoralkoxy alkane bottles.

Intended Use:
This material is designed for calibration of all procedures (e.g. thermal ionization mass spectrometry, inductively coupled plasma mass spectrometry) being used for the determination of Mg isotope amount ratios and Mg delta values, once the delta scale has been established. This material is intended to become the new “δ=0” material for the Mg delta scale.

CRM Certificate:  c2912618.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 1.1 Inorganic Trace Analysis (Germany)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)

 

Public link to this factsheet: www.comar.bam.de/rm/182650
 
  Properties:
Specific surface area 5.41 m²/g

Remarks:
A unit of CRM BAM-PM-102 consists of a single bottle containing approximately 10 g of alpha-alumina (particle diameters between 40 and 500 µm; average particle size 150 µm). The material should be stored in the closed bottle at ambient temperature (20 to 25 °C) in a dry atmosphere.

Intended Use:
The reference material is used to check the performance of gas sorption instruments of the static volumetric method for the determination of specific surface area according ISO 9277 "Determination of the specific surface area of solids by gas adsorption - BET method".

CRM Certificate:  bam_pm102e.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 6.3 Structure Analysis (Germany)

 

Public link to this factsheet: www.comar.bam.de/rm/100750
 
  Properties:
Specific Pore Volume at 50 MPa 69.4 mm³/g
Specific Pore Volume at 100 MPa 625.4 mm³/g
Specific Pore Volume at 195 MPa 637.1 mm³/g
Specific Pore Volume at 395 MPa 638.6 mm³/g
Mean Pore Diameter d50 24.2 nm
Most Frequent Pore Diameter dp,m 23.9 nm

Remarks:
A unit of CRM BAM-P127 consists of a single bottle containing approximately 10 g of alumina beads. The material should be stored at ambient temperature (20 to 25 °C) in a dry atmosphere. The porosity properties of the porous alumina beads are calculated from the mercury intrusion pressure between 0.1 and 400 MPa.

Intended Use:
The reference material is used to check the performance of high pressure mercury porosimetry units and instruments for the determination of specific pore volume, mean pore diameter and most frequent pore diameter according ISO 15901-1.

CRM Certificate:  bam_p127e_neu.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 6.3 Structure Analysis (Germany)

 

Public link to this factsheet: www.comar.bam.de/rm/259000
 
  Properties:
Pore volume at 100 MPa 545.0 mm³/g
Pore volume at 195 MPa 546.7 mm³/g
Pore volume at 200 MPa 546.8 mm³/g
Pore volume at 395 MPa 548.1 mm³/g
Mean pore width d50 228.0 nm
Most frequent pore width dp,m 232.2 nm

Remarks:
A unit of ERM-FD120 consists of a single bottle containing approximately 15 g of alpha-alumina beads. The material should be stored at ambient temperature (20 to 25 °C) in a dry atmosphere. The porosity properties of the alpha-alumina beads are calculated from the mercury intrusion pressure between 0.1 and 400 MPa.

Intended Use:
The reference material is used to check the performance of high pressure mercury porosimetry units and instruments for the determination of specific pore volume, mean pore width and most frequent pore width according ISO 15901-1.

CRM Certificate:  erm_fd120e.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 6.3 Structure Analysis (Germany)

 

Public link to this factsheet: www.comar.bam.de/rm/298700
 
  Properties:
Specific Pore Volume y1 at 1.41 MPa 99.52 mm³/g
Mean Pore Diameter d50 3.0520 µm
Mean intrusion pressure p50 0.4829 MPa
Mercury intrusion curve between 0.28 and 1.41 MPa

Remarks:
A unit of ERM-FD123 consists of a Carton containing 6 pieces of ceramics filter tube with approximately 14.5 g. The material should be stored at ambient temperature (20 to 25 °C) in a dry atmosphere. The porosity properties of the porous flat membranes are calculated from the mercury intrusion between 0.28 and 1.41 MPa.

Intended Use:
The reference material is used to check the performance of high pressure mercury porosimetry units and instruments for the determination of specific pore volume, mean pore diameter according ISO 15901-1.

CRM Certificate:  erm_fd123e.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 6.3 Structure Analysis (Germany)

 

Public link to this factsheet: www.comar.bam.de/rm/307600
 
  Properties:
Specific Pore Volume y1 at 1.55 MPa 158.1 mm³/g
Mean Pore Diameter d50 3.074 µm
Mean intrusion pressure p50 0.4795 MPa
Mercury intrusion curve between 0.24 MPa and 1.55 MPa

Remarks:
A unit of CRM BAM-P124 consists of a Carton containing 6 pieces of flat membranes with approximately 2.6 g. The material should be stored at ambient temperature (20 to 25 °C) in a dry atmosphere. The porosity properties of the porous flat membranes are calculated from the mercury intrusion between 0.24 and 1.55 MPa.

Intended Use:
The reference material is used to check the performance of high pressure mercury porosimetry units and instruments for the determination of specific pore volume, mean pore diameter according ISO 15901-1.

CRM Certificate:  bam_p124e.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 6.3 Structure Analysis (Germany)

 

Public link to this factsheet: www.comar.bam.de/rm/303150
 
  Properties:
Specific Pore Volume y1 at 2.1 MPa 110.9 mm³/g
Mean Pore Diameter d50 1.746 µm
Mean intrusion pressure p50 0.8441 MPa
Mercury intrusion curve between 0.55 MPa and 2.1 MPa

Remarks:
A unit of CRM BAM-P126 consists of a Carton containing 6 pieces of flat membranes with approximately 3 g. The material should be stored at ambient temperature (20 to 25 °C) in a dry atmosphere. The porosity properties of the porous flat membranes are calculated from the mercury intrusion between 0.55 and 2.1 MPa.

Intended Use:
The reference material is used to check the performance of high pressure mercury porosimetry units and instruments for the determination of specific pore volume, mean pore diameter according ISO 15901-1.

CRM Certificate:  bam_p126e.pdf

 

Producer: (click for contact & purchase details)
 BAM, Division 6.3 Structure Analysis (Germany)

 

Public link to this factsheet: www.comar.bam.de/rm/319900