Agricultural Product Standards Act, 1990 (Act No. 119 of 1990)

Regulations

Regulations relating to the Grading, Packing and Marking of Sorghum Products intended for sale in the Republic of South Africa : effective 30 May 2026

Determination

11. Determination of particle size or Granulation

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The particle size of sorghum products shall be determined by any suitable sieving method in accordance with the prescribed apertures and diameter of the sieve as specified in the table below. Provided that the results thus obtained are in accordance with the results obtained by AOAC 965.22 Type I method with sieves specifications as in ISO 3310/1-1982 test sieves.

 

TABLE 2. SIEVE SPECIFICATIONS

DIMENSION OF SIEVE

SIZE OF APERTURE

DIAMETER OF WIRE

 

1

2

3

1

2.0 mm

2.0 mm by 2.0 mm

0.9 mm

2

1.8 mm

12.7 mm

 

3

1.4 mm

1.4 mm by 1.4 mm

0.71 mm

4

1.0 mm

1.0 mm by 1.0 mm

0.56 mm

5

0.85 mm

0.85 mm by 0.85 mm

0.50 mm

6

0.71 mm

0.71 mm by 0.71 mm

0.42 mm

7

0.5 mm

0.5 mm by 0.5 mm

0.315mm

8

0.25 mm

0.25 mm by 0.25 mm

0.16 mm