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Division 7.2 The concentration of anhydrous quinine in the sample, as a percentage by mass (% m/m), is obtained by the following formula:

United Kingdom

Original text. Later amendments are not shown.

% (m/m) of anhydrous quinine = B A

where

B

  • is the quantity, in micrograms, of anhydrous quinine determined in the 10 microlitres of the filtered solution (6.1).

    • A

  • is the mass of the sample in grams (6.1).