Division 3.1 Method of calculation and formula
United Kingdom
- (a)
The extract expressed as a percentage by mass of the product as received is equal to:
where: - S
= is the percentage by mass of extract of the product as received,
- m0
= is the mass, in grams, of the test portion,
- m1
= is the mass, in grams, of the extract after drying.
Take as the result the arithmetic mean of the duplicate determinations, providing the repeatability conditions are satisfied.
Express the result to the first decimal place.
- S
- (b)
The extract is expressed on a dry matter basis by using the formula:
where:
S Uis the percentage of extract by means of the product as received (see (a)),
is its moisture and volatile matter content.