Scheme Particulars Indicative Details
Accreditation body UKAS
UKAS Accredited Proficiency Testing Provider No 7860
Number of distributions per year (nominal) 11
Specimens per distribution 3
Frequency of distribution Monthly
Material distributed Pooled, liquid human serum with or without exogenous added analyte
Nominal sample volume (mL) 1
Programme Director(s) / Organiser(s) Finlay MacKenzie
Analyte Approximate Range Default Scheme Units
Isoleucine 40 – 1000 µmol/L
Leucine 60 – 1000 µmol/L
Phenylalanine 40 – 1400 µmol/L
Tyrosine 40 – 800 µmol/L
Valine 100 – 1000 µmol/L
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