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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
-
KCDB 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
-
KCDB 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
-
KCDB 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
-
KCDB 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
-
KCDB 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
-
KCDB 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 |
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
-
KCDB 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
-
KCDB 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 |
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
-
KCDB 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 |
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
-
KCDB 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
-
KCDB ID :
EURAMET-QM-BG-00000JX7-1
Linear vibration ,
Acceleration
:
1 m/s2 to 1000 m/s2
Acceleration measuring instrument
Relative expanded uncertainty
:
2 %
Comparison, ISO 16063-21
Frequency : 6.3 kHz to 10 kHz
Approved on 18 October 2005
KCDB ID :
EURAMET-AUV-BG-00000576-1
Measurement microphones ,
Pressure sensitivity level
Measurement microphone type LS1P
Absolute expanded uncertainty
:
0.18 dB
Pressure sequential comparison
Frequency : 5 kHz to 10 kHz
Approved on 18 October 2005
KCDB ID :
EURAMET-AUV-BG-0000056Q-1
Sound measuring instruments ,
Free-field response level
Sound level meter
Absolute expanded uncertainty
:
0.4 dB
Sequential comparison
Frequency : 63 Hz to 4 kHz
Approved on 18 October 2005
KCDB ID :
EURAMET-AUV-BG-0000056Y-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
100 °C to 250 °C
Thermistors and other resistive thermometer
Absolute expanded uncertainty
:
2.0E1 mK
Comparison
Stirred liquid bath : silicon oil
Approved on 03 November 2009
Institute service identifier : BIM/4.3
KCDB ID :
EURAMET-T-BG-00000B93-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
100 °C to 250 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty
:
2.5E1 mK
Comparison
Stirred liquid bath : silicon oil
Approved on 03 November 2009
Institute service identifier : BIM/7.4
KCDB ID :
EURAMET-T-BG-00000B9D-1
Hygrometers ,
Humidity
:
50 %rh to 90 %rh
Relative humidity sensors
Absolute expanded uncertainty
:
2 %rh
Comparison in a climatic chamber
Air temperature : 20 °C to 50 °C
Approved on 17 August 2017
Institute service identifier : BIM/3.3.1
KCDB ID :
EURAMET-T-BG-00000B9X-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
250 °C to 650 °C
IPRT
Absolute expanded uncertainty
:
0.1 °C to 0.6 °C
Comparison
Furnace : metal block
Approved on 03 November 2009
Institute service identifier : BIM/3.4
KCDB ID :
EURAMET-T-BG-00000B90-1
Hygrometers ,
Humidity
:
10 %rh to 30 %rh
Other hygrometer
Absolute expanded uncertainty
:
1.4 %rh
Comparison in a climatic chamber
Air temperature : 20 °C to 50 °C
Approved on 17 August 2017
Institute service identifier : BIM/3.3.1
KCDB ID :
EURAMET-T-BG-00000BA1-1
Hygrometers ,
Humidity
:
50 %rh to 90 %rh
Other hygrometer
Absolute expanded uncertainty
:
2.2 %rh
Comparison in a climatic chamber
Air temperature : 1 °C to 20 °C
Approved on 17 August 2017
Institute service identifier : BIM/3.3.1
KCDB ID :
EURAMET-T-BG-00000BA0-1