| ≥1 piece |
|
Corn starch appearance index
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Items
|
Standards
|
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The top
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First grade
|
Qualified
|
|
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Appearance
|
White or with light yellow color powder with luster
Have a special smell of corn starch |
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|
taste
|
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Physical-chemical index
|
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Items
|
unit
|
standards
|
||
|
standards
|
First grade
|
Qualified
|
||
|
Moisture
|
%
|
≤14.0
|
≤14.0
|
≤14.0
|
|
Partical size
|
%
|
≥99.5
|
≥99
|
≥98.5
|
|
Speckle
|
/cm2
|
≤0.4
|
≤0.7
|
≤1.0
|
|
Acidity
|
Milliliter of 0.1 mol/NaOH doing starch and consuming of 100grams of neutralization is counted
|
≤1.5
|
≤1.5
|
≤2.0
|
|
Ash
|
Dry basis
|
≤0.10
|
≤0.15
|
≤0.18
|
|
Protein
|
Dry basis
|
≤0.35
|
≤0.45
|
≤0.60
|
|
Fat
|
Dry basis
|
≤0.10
|
≤0.15
|
≤0.2
|