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Division 7.1 Method of calculation

United Kingdom

Original text. Later amendments are not shown.

The content of ash, including P2O5, in the sample, as a percentage by mass, is given by:

m 1 — m 2 — m 3 — m 4 m 0 × 100

where:

m0
  • is the mass, in grams, of the test portion;

  • m1
  • is the mass, in grams, of dish A and residue;

  • m2
  • is the mass, in grams, of the prepared dish A;

  • m3
  • is the mass, in grams, of dish B and residue;

  • m4
  • is the mass, in grams, of the prepared dish B.

  • Calculate the final result to the nearest 0,01 %.