The Preservatives in Food Regulations 1989 No. 533

SCHEDULE 5 ANALYSIS OF CITRUS FRUIT TREATED WITH BIPHENYL, 2-HYDROXYBIPHENYL OR SODIUM BIPHENYL-2-YL OXIDE

PART III QUANTITATIVE ANALYSIS OF THE RESIDUES OF 2-HYDROXYBIPHENYL AND SODIUM BIPHENYL-2-YL OXIDE IN CITRUS FRUIT

Apparatus

4.  The following apparatus shall be used–

(a) a shredding or crushing mill;

(b) a mixer;

(c) a 1 litre distillation flask with a modified Clevenger-type separator as shown in the diagram in Schedule 6 and a reflux condenser;

(d) an electrically controlled heating mantle;

(e) a 200 ml. separating funnel;

(f) graduated cylinders of 25 and 100 ml.;

(g) graduated flasks of 25 and 100 ml.;

(h) 1 to 10 ml. pipettes;

(j) 0.5 ml. graduated pipettes;

(k) a spectrophotometer with 4 or 5 cm. cells.