Physical-chemical index

items

unit

standards

The top

First grade

qualified

moisture

%

≤14.0

≤14.0

≤14.0

Particle size

%

≥99.8

≥99.5

≥99.0

speckle

/cm2

≤0.4

≤1.2

≤2.0

Acidity

Milliliter of 0.1mol/NaOH doing starch and consuming of 100 grams of neutralization is counted

≤12.0

≤18.0

≤25.0

Ash

Dry basis

≤0.10

≤0.15

≤0.20

Protein

Dry basis

≤0.40

≤0.50

≤0.80

Fat

Dry basis

≤0.10

≤0.15

≤0.25

So2

%

≤0.004

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Fe

Fe

≤0.002

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