SCHEDULE 2METHODS OF ANALYSIS
ANNEX IIIMETHOD FOR DETERMINING ISOBUTYLIDENEDIUREA
Expression of the Results
6. The per cent content of isobutylidenediurea in the sample is given by the formula:
where:
A
=
weight of isobutyldenediurea (mg) read from the calibration curve; and
W
=
weight of sample in grams.