Version 10.0 – July 2014
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Human serum from a single donor was prepared from blood obtained at the Royal
Surrey County Hospital (Guildford, UK).
This material is intended for the validation of new and existing methods, and
monitoring the performance of methods, commonly used in clinical laboratories to
determine the importance of trace elements copper, selenium and zinc in human
serum samples.
Certified Values
Copper ........................ 1130 ± 33 µg/kg Selenium ...................... 64.1 ± 3.0 µg/kg
Zinc ............................... 658 ± 33 µg/kg
Additional Material Data
Copper .................. 18.18 ± 0.53 µmol/L Selenium .............. 0.830 ± 0.038 µmol/L
Zinc ....................... 10.30 ± 0.52 µmol/L
Human serum from donors was supplied by Scipac (Sittingbourne, UK), and
prepared by Cardiff Bioanalytical Services Ltd.
This material is intended for the validation of new and existing methods, and
monitoring the performance of methods, commonly used in clinical laboratories to
determine the digoxin content of human serum samples. It can also be used in the
training and evaluation of staff. The material is clinically relevant since it closely
matches the upper decision level for digoxin monitoring
Certified Value
Digoxin ...................... 2.08 ± 0.15 µg/kg
Additional Material Data
Digoxin .................... 2.74 ± 0.19 nmol/L Digoxin......................... 2.14 ± 0.15 µg/L
Human serum from donors was supplied by (Scipac (Sittingbourne, UK), and
prepared by Cardiff Bioanalytical Services Ltd.
This material is intended for the validation of new and existing methods, and
monitoring the performance of methods, commonly used in clinical laboratories to
determine the digoxin content of human serum samples. It can also be used in the
training and evaluation of staff. The material is clinically relevant since it closely
matches the lower decision level for digoxin monitoring
Certified Value
Digoxin ................. 0.845 ± 0.0.50 µg/kg
Additional Material Data
Digoxin ................ 1.110 ± 0.065 nmol/L Digoxin..................... 0.868 ± 0.051 µg/L