In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Bulgaria, BIM (Bulgarian Institute of Metrology)
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
9 to 9.4 |
4.0E-3 |
9 to 9.4 |
5.0E-3 |
-
Mechanism for measurement service delivery :
Primary measurement of Borate buffer
-
Measurement temperature 15 °C to 37 °C, data given for 25 °C. Declared uncertainties do not include the uncertainty contribution due to the Bates - Guggenheim convention (approximately 0.010, k=2)
-
Approved on
01 October 2022
-
Institute service identifier : 1.6.c-1
-
CMC ID :
EURAMET-QM-BG-0000005P-2
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
9.8 to 10.2 |
8.0E-3 |
9.8 to 10.02 |
1.0E-2 |
-
Mechanism for measurement service delivery :
Primary measurement of carbonate buffer
-
Measurement temperature 25 °C. Declared uncertainties do not include the uncertainty contribution due to the Bates - Guggenheim convention (approximately 0.010, k=2)
-
Approved on
01 October 2022
-
Institute service identifier : 1.6.c-2
-
CMC ID :
EURAMET-QM-BG-0000005Q-2
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
6.7 to 7.6 |
4.0E-3 |
|
|
-
Mechanism for measurement service delivery :
Calibration services, value assignment for proficiency testing scheme samples
-
Approved on
25 August 2020
-
Institute service identifier : 1.6.b-1
-
CMC ID :
EURAMET-QM-BG-00000LAM-1
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
1.5 to 1.9 |
1.0E-2 |
1.5 to 1.9 |
1.0E-2 |
-
Mechanism for measurement service delivery :
Primary measurement of tetroxalate buffer
-
Measurement temperature 25 °C to 37 °C, data given for 25 °C. Declared uncertainties do not include the uncertainty contribution due to the Bates - Guggenheim convention (approximately 0.010, k = 2)
-
Approved on
12 October 2022
-
Institute service identifier : 1.6.a-1
-
CMC ID :
EURAMET-QM-BG-0000005M-3
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
6.7 to 7.6 |
4.0E-3 |
6.7 to 7.6 |
4.0E-3 |
-
Mechanism for measurement service delivery :
Primary measurement of phosphate buffer
-
Measurement temperature 15 °C to 37 °C, data given for 25 °C. Declared uncertainties do not include the uncertainty contribution due to the Bates - Guggenheim convention (approximately 0.010, k=2)
-
Approved on
01 October 2022
-
Institute service identifier : 1.6.b-1
-
CMC ID :
EURAMET-QM-BG-0000005O-2
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
1.5 to 1.9 |
1.0E-2 |
|
|
-
Mechanism for measurement service delivery :
Calibration services, value assignment for proficiency testing scheme samples
-
Approved on
25 August 2020
-
Institute service identifier : 1.6.a-1
-
CMC ID :
EURAMET-QM-BG-00000LAK-1
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
9.8 to 10.2 |
8.0E-3 |
|
|
-
Mechanism for measurement service delivery :
Calibration services, value assignment for proficiency testing scheme samples
-
Approved on
25 August 2020
-
Institute service identifier : 1.6.c-2
-
CMC ID :
EURAMET-QM-BG-00000LAO-1
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
3.6 to 4.2 |
5.0E-3 |
|
|
-
Mechanism for measurement service delivery :
Calibration services, value assignment for proficiency testing scheme samples
-
Approved on
25 August 2020
-
Institute service identifier : 1.6.a-2
-
CMC ID :
EURAMET-QM-BG-00000LAL-1
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
9 to 9.4 |
4.0E-3 |
|
|
-
Mechanism for measurement service delivery :
Calibration services, value assignment for proficiency testing scheme samples
-
Approved on
25 August 2020
-
Institute service identifier : 1.6.c-1
-
CMC ID :
EURAMET-QM-BG-00000LAN-1
Matrix or material |
Dissemination range of measurement capability |
Range of certified values in reference materials |
pH in |
Absolute expanded uncertainty in |
pH in |
Absolute expanded uncertainty in |
aqueous pH buffer solution |
3.6 to 4.2 |
5.0E-3 |
3.6 to 4.2 |
5.0E-3 |
-
Mechanism for measurement service delivery :
Primary measurement of Phthalate buffer
-
Measurement temperature 15 °C to 37 °C, data given for 25 °C. Declared uncertainties do not include the uncertainty contribution due to the Bates - Guggenheim convention (approximately 0.010, k=2)
-
Approved on
01 October 2022
-
Institute service identifier : 1.6.a-2
-
CMC ID :
EURAMET-QM-BG-0000005N-2
Matrix or material |
Analyte or component |
Dissemination range of measurement capability |
Range of certified values in reference materials |
Mass fraction in mg/kg |
Relative expanded uncertainty in % |
Mass fraction in |
|
blood serum |
copper |
1 to 50 |
4.2 to 5 |
|
|
-
Mechanism for measurement service delivery :
Reference measurement service and reference value assignment for PT
-
Approved on
15 October 2019
-
Institute service identifier : CHM 10
-
CMC ID :
EURAMET-QM-BG-00000JX7-1