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Chemical Analyte
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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)
Singapore, HSA (Health Science Authority)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/g Absolute expanded uncertainty in mg/g Mass fraction in % Absolute expanded uncertainty in %
high purity 3,4-methylenedioxymethamphetamine (MDMA) hydrochloride 3,4-methylenedioxymethamphetamine (MDMA) 800 to 841 4 to 1.2E1
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 04 April 2022
  • Institute service identifier : HSA-65
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/g Absolute expanded uncertainty in mg/g Mass fraction in mg/g Absolute expanded uncertainty in mg/g
High purity 4-cumylphenol 4-cumylphenol 980 to 1000 4 to 7 996.6 6
  • Mechanism for measurement service delivery : CRM
  • HRM-1026
  • Approved on 16 August 2021
  • Institute service identifier : HSA-49
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
confectionery product acesulfame 50 to 810 1.0E1 to 5
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 23 October 2019
  • Institute service identifier : HSA-27
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/g Absolute expanded uncertainty in mg/g Mass fraction in mg/g Absolute expanded uncertainty in mg/g
High purity acesulfame potassium acesulfame potassium 980 to 1000 3 to 7 999.2 5
  • Mechanism for measurement service delivery : CRM
  • Approved on 16 August 2021
  • Institute service identifier : HSA-45
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass concentration in mg/L Relative expanded uncertainty in % Mass concentration in mg/L Relative expanded uncertainty in %
human urine albumin 5 to 500 3.6 to 6.5 40.1 to 226 4.9 to 6
  • Mechanism for measurement service delivery : Reference measurement service & Certified reference material
  • Approved on 20 June 2022
  • Institute service identifier : HSA-67
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
drinking water aluminum 0.01 to 100 3 to 5
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 30 August 2017
  • Institute service identifier : STY-0043-05
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/g Relative expanded uncertainty in % Mass fraction in
drinking water antimony 0.01 to 100 3 to 5
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 08 July 2020
  • Institute service identifier : HSA-14
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
drinking water arsenic 1.00E-3 to 100 2.3 to 5
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 03 October 2016
  • Institute service identifier : STY-0043-01
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
herb arsenic 0.5 to 5 8 to 1.2E1
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 23 October 2019
  • Institute service identifier : HSA-23
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 % Absolute expanded uncertainty in %
Traditional Chinese Medicine (TCM) derived from plant and animal arsenic 0.1 to 25 1.0E1 to 5
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 15 June 2021
  • Institute service identifier : HSA-42
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in mg/kg Absolute expanded uncertainty in mg/kg
apple juice arsenic 0.1 to 10 4.7 to 1.2E1 0.185 1.5E-2
  • Mechanism for measurement service delivery : Certified reference material (CRM): HRM-2008A
  • Approved on 03 October 2016
  • Institute service identifier : HRM-2008A-C
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
mushroom powder arsenic 0.5 to 10 7 to 1.2E1
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 13 June 2013
  • Institute service identifier : STY-0011-03
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
rice arsenic 0.1 to 10 5 to 1.0E1
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 26 September 2018
  • Institute service identifier : STY-0082-04
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in mg/kg Absolute expanded uncertainty in mg/kg
mushroom powder arsenic 0.5 to 10 7 to 1.2E1 5.61 0.59
  • Mechanism for measurement service delivery : HRM-2003A
  • Approved on 03 October 2016
  • Institute service identifier : HRM-2003A-C
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
cosmetic cream arsenic 1 to 100 4.5 to 8
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 20 January 2016
  • Institute service identifier : STY-0030-03
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/g Absolute expanded uncertainty in mg/g Mass fraction in mg/g Absolute expanded uncertainty in mg/g
High purity aspartame aspartame 960 to 1000 4 to 7 970.7 6.3
  • Mechanism for measurement service delivery : CRM
  • HRM-1019
  • Approved on 16 August 2021
  • Institute service identifier : HSA-48
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/g Relative expanded uncertainty in % Mass fraction in
drinking water barium 0.01 to 100 3 to 5
  • Mechanism for measurement service delivery : Reference measurement service
  • Approved on 08 July 2020
  • Institute service identifier : HSA-15
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
edible oil benz[a]anthracene 0.1 to 1000 1.5E1 to 5.5 8.05 6
  • Mechanism for measurement service delivery : CRM and reference measurement service
  • Approved on 08 July 2020
  • Institute service identifier : HSA-38
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in µg/kg Relative expanded uncertainty in %
edible oil benzo[a]pyrene 0.1 to 1000 1.5E1 to 5.5 9.85 7.6
  • Mechanism for measurement service delivery : CRM and reference measurement service
  • Approved on 08 July 2020
  • Institute service identifier : HSA-37
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in µg/kg Relative expanded uncertainty in % Mass fraction in
edible oil benzo[b]fluoranthene 0.1 to 1000 1.5E1 to 5.5
  • Mechanism for measurement service delivery : CRM and reference measurement service
  • Approved on 08 July 2020
  • Institute service identifier : HSA-39

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