GB/T 24535-2009Inspection of grain and oil - Determination for ratio of length to width of paddy (English PDF)

3.1

After shelling by the rice, milled into line with the provisions of GB 1354 3 and the like rice, in addition to the rest of the embryo outside unbroken rice.

3.2

Complete fine grain ratio of length to width.

4.1 Appliances

4.1.1

measuring board.

4.1.2

ruler (mm).

4.1.3

tweezers.

4.2 Measurement Methods

4.2.1

complete randomly milled rice 10, flat on the measuring board, according to the head and tail opposite way, close to the ruler in a row, read length.

Double test measures the difference is not more than 0.5mm, find the average is complete fine grain average length (L).

4.2.2

The complete measuring over 10 m length of the fine, flat on the measuring board, arranged in the dorsal-ventral phase by the way, with a ruler to measure the widest

Office, read out the width value. Double test measures the difference is not more than 0.3mm, find the average is complete fine grain average width (W).

4.3 Calculation Results

Rice grain shape according to equation (1).

D = LW (1)

Where.

D --- grain type;

L --- complete fine grain average length, in millimeters (mm);

W --- complete fine grain average width in millimeters (mm).

GB/T 15682-2008 | GB/T 22505-2008 | GB/T 22725-2008 | GB/T 24534.3-2009 | GB/T 24534.2-2009 | GB/T 24534.1-2009 | […]