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Division 7 Repeatability

United Kingdom

Original text. Later amendments are not shown.

The difference between the results of two parallel determinations carried out on the same sample by the same analyst shall not exceed:

  • 5 mg/kg, in absolute value, for contents of the trace element concerned up to 50 mg/kg,

  • 10 % of the higher result for contents of the trace element concerned from 50 and up to 100 mg/kg,

  • 10 mg/kg, in absolute value, for contents of the trace element concerned from 100 and up to 200 mg/kg,

  • 5 % of the higher result for contents of the trace element concerned above 200 mg/kg.