COMAR | Materials

Reference Materials

must be: produced under an ISO 17034 accreditation produced by an NMI / DI one, or both options | certified RM

Reference Materials

	Producer	RM Code	Name	Item	Updated
21	BAM	ERM-AE120	Isotope CRM for boron	boric acid in water	15-06-2022

	Properties: Isotope ratio delta value - δ11B -20.2 ‰			Remarks: Boric acid in water with δ11B of -20 ‰ PFA-bottles of approximately 20 mL, sealed in a plastic bag. Intended Use: It is designed for calibration and validation of all procedures (e.g. TIMS, ICPMS) being used for the determination of δ11B-values. CRM Certificate: c2492980.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/191350
22	BAM	ERM-AE121	Isotope CRM for boron	boric acid in water	15-06-2022

	Properties: Isotope ratio delta value - δ11B 19.9 ‰			Remarks: Boric acid in water with a δ11B-value of 19.9 ‰ PFA-bottles of approximately 20 mL, sealed in a plastic bag. Intended Use: It is designed for calibration and validation of all procedures (e.g. TIMS, ICPMS) being used for the determination of δ11B-values. CRM Certificate: c2492985.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/191400
23	BAM	ERM-AE122	Isotope CRM for boron	boric acid in water	15-06-2022

	Properties: Isotope ratio delta value - δ11B 39.7 ‰			Remarks: Boric acid in water with δ11B of 39.7 ‰; PFA-bottles of approximately 20 mL, sealed in a plastic bag. Intended Use: It is designed for calibration and validation of all procedures (e.g. TIMS, ICPMS) being used for the determination of δ11B-values. CRM Certificate: c2492990.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/191450
24	BAM	ERM-AE102a	Isotope CRM for boron	boric acid in water	15-06-2022

	Properties: Molar mass 10.710 44 g/mol Isotope amount ratio (10 B) / (11 B) 0.4285 dimensionless Isotope amount ratio (11 B) / (10 B) 2.3338 dimensionless Isotope abundance (10 B) 0.299 95 dimensionless Isotope abundance (11 B) 0.700 05 dimensionless			Remarks: Boric acid in water with 10B amount fraction of 29.995% PFA - bottle, aqueous solution, 20 mL Intended Use: It is designed to determine mass discrimination in Inductively Coupled Plasma Mass Spectrometry (ICP-MS). CRM Certificate: c2492955.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/194000
25	BAM	BAM-I012	Isotope CRM for cadmium	acidified solution of pure cadmium	15-06-2022

	Properties: Cd* 994 mg/kg Isotope amount ratio (106 Cd) / (111 Cd) 0.09751 mol/mol Isotope amount ratio (110 Cd) / (111 Cd) 0.06951 mol/mol Isotope amount ratio (108 Cd) / (111 Cd) 0.97504 mol/mol Isotope amount ratio (112 Cd) / (111 Cd) 1.8835 mol/mol Isotope amount ratio (113 Cd) / (111 Cd) 0.95479 mol/mol Isotope amount ratio (114 Cd) / (111 Cd) 2.2437 mol/mol Isotope amount ratio (116 Cd) / (111 Cd) 0.58583 mol/mol Isotope amount fraction (106 Cd) / (Cd) 0.012485 mol/mol Isotope amount fraction (108 Cd) / (Cd) 0.008901 mol/mol Isotope amount fraction (110 Cd) / (Cd) 0.124846 mol/mol Isotope amount fraction (111 Cd) / (Cd) 0.128043 mol/mol Isotope amount fraction (112 Cd) / (Cd) 0.24117 mol/mol Isotope amount fraction (113 Cd) / (Cd) 0.122254 mol/mol Isotope amount fraction (114 Cd) / (Cd) 0.28729 mol/mol Isotope amount fraction (116 Cd) / (Cd) 0.07501 mol/mol Molar mass 112.41218 g/mol *indicative			Remarks: Cadmium in dilute nitric acid, The cadmium isotopic reference material is a solution of high purity cadmium with natural-like isotopic composition dissolved in 1 mol/L nitric acid. Quartz ampoules containing 7 mL; It should be stored between 5°C and 25°C at places, where the risk of mechanical damage is low. Intended Use: BAM-I012 is a primary isotopic reference material and is designed for calibration of cadmium isotope ratio measurements of all types. CRM Certificate: c2784384.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/204400
26	BAM	ERM-AE123	Isotope CRM for boron	boric acid in water	15-06-2022

	Properties: Isotope amount ratio (10 B) / (11 B) 0.2474 dimensionless Isotope amount ratio (11 B) / (10 B) 4.042 dimensionless Isotope abundance (10 B) 0.198 32 dimensionless Isotope abundance (11 B) 0.801 68 dimensionless Molar mass 10.811 70 g/mol			Remarks: Boric acid in water with 10B amount fraction of 19.832% PFA - bottle, aqueous solution, 20 mL Intended Use: It is designed to determine mass discrimination in Inductively Coupled Plasma Mass Spectrometry (ICP-MS). CRM Certificate: c2710375.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/352850
27	BAM	ERM-AE124	Isotope CRM for boron	aqueous solution of boric acid enriched in B-10	15-06-2022

	Properties: Isotope amount ratio (11 B) / (10 B) 24.04 dimensionless Isotope amount ratio (10 B) / (11 B) 0.041 60 dimensionless Isotope abundance (10 B) 0.960 06 dimensionless Isotope abundance (11 B) 0.039 94 dimensionless Molar mass 10.052 73 g/mol			Remarks: Boric acid in water with 10B amount fraction of 96.006% PFA - bottle, aqueous solution, 20 mL Intended Use: It is designed to determine mass discrimination in Inductively Coupled Plasma Mass Spectrometry (ICP-MS. ERM-AE124 may also be used for isotope tracer studies and as spike for isotope dilution analysis. In the latter case, however, the characterization of the boron mass fraction by reverse IDMS at the time of use might be advisable, when low measurement uncertainties (<1 % relative) are aimed at. CRM Certificate: c2710370.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/370300
28	BAM	ERM-AE140	Certified Pd-106 spike for IDMS	acidified solution of isotopically enriched palladium	15-06-2022

	Properties: Mass fraction w(106Pd) 20.24 mg/kg Isotope amount ratio (102 Pd) / (106 Pd) 0.0000791 mol/mol Isotope amount ratio (104 Pd) / (106 Pd) 0.001247 mol/mol Isotope amount ratio (105 Pd) / (106 Pd) 0.007518 mol/mol Isotope amount ratio (108 Pd) / (106 Pd) 0.004785 mol/mol Isotope amount ratio (110 Pd) / (106 Pd) 0.001156 mol/mol			Remarks: Palladium (Pd), enriched in 106Pd, in 20 % hydrochloric acid flame-sealed quartz ampoules containing 7 mL; It should be stored between 5°C and 25°C at places, where the risk of mechanical damage is low. Intended Use: The certified values were determined by reverse IDMS using multi-collector ICPMS. The measurements were calibrated using high purity Pd for the preparation of the back-spike. CRM Certificate: c2819172.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/435350
29	BAM	ERM-AE141	Certified Pt-194 spike for IDMS	acidified solution of isotopically enriched platinum	15-06-2022

	Properties: Isotope amount ratio (190 Pt) / (194 Pt) 0.0000012 mol/mol Isotope amount ratio (192 Pt) / (194 Pt) 0.000342 mol/mol Isotope amount ratio (195 Pt) / (194 Pt) 0.0739 mol/mol Isotope amount ratio (196 Pt) / (194 Pt) 0.01749 mol/mol Isotope amount ratio (198 Pt) / (194 Pt) 0.01749 mol/mol Mass fraction w(194Pt) 18.18 mg/kg			Remarks: Platinum (Pt), enriched in 194Pt, in 20 % hydrochloric acid flame-sealed quartz ampoules containing 7 mL; It should be stored between 5°C and 25°C at places, where the risk of mechanical damage is low. Intended Use: The certified values were determined by reverse IDMS using multi-collector ICPMS. The measurements were calibrated using high purity Pt for the preparation of the back-spike. CRM Certificate: c2842276.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/454350
30	BAM	ERM-EB400	Pb isotopic composition in bronze	bronze	15-06-2022

	Properties: Isotope amount ratio (206 Pb) / (204 Pb) 18.072 mol/mol Isotope amount ratio (207 Pb) / (204 Pb) 15.578 mol/mol Isotope amount ratio (208 Pb) / (204 Pb) 38.075 mol/mol Isotope amount ratio (208 Pb) / (206 Pb) 2.1068 mol/mol Isotope amount fraction (204 Pb) / (Pb) 0.013 7504 mol/mol Isotope amount fraction (206 Pb) / (Pb) 0.248 50 mol/mol Isotope amount fraction (207 Pb) / (Pb) 0.214 20 mol/mol Isotope amount fraction (208 Pb) / (Pb) 0.523 55 mol/mol Molar mass 207.209 68 g/mol			Remarks: ERM-EB400 is a chipped bronze material with a Lead (Pb) mass fraction of 45 mg/kg. Molar mass of Lead (Pb) in bronce M(pb)=207.20968 g/mol Approximately 1 g of bronze swarfs is filled in crimp vials, which are sealed in PE bags. It should be stored under normal lab conditions in a tightly sealed container. Intended Use: This material is designed for verification and validation of all procedures (e.g. TIMS, ICPMS) being used for the determination of Pb isotope amount ratios. CRM Certificate: c2842281.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/454400