| ≥1 piece |
|
Sense
specification
|
Items
|
Index
|
||
|
Super-grade
|
First-grade
|
Qualified-grade
|
||
|
Colour
|
white
|
|||
|
Smell
|
neutral
|
|||
|
Taste
|
Neutral
|
|||
|
Inpurity
|
neutral
|
|||
|
Physical&
Chemical
specification
|
Moisture%
|
18.00-20.00
|
≤20.00
|
|
|
Ash%≤
|
0.30
|
0.40
|
0.45
|
|
|
Protein%≤
|
0.10
|
0.15
|
0.20
|
|
|
Black specks NO./cm 2 ≤
|
3.00
|
5.00
|
9.00
|
|
|
Sieve% w/w≥
|
99.90
|
99.50
|
99.00
|
|
|
Whiteness%≥
|
92.00
|
90.00
|
88.00
|
|
|
Peak Viscosity≥
|
1300
|
1100
|
900
|
|
|
US Conductivitg rate≤
|
100
|
150
|
200
|
|
|
PH value
|
6.0-8.0
|
|||
|
Sanitation
specification
|
mg/kg SO 2 ≤
|
10
|
15
|
20
|
|
mg/kg As≤
|
0.30
|
|||
|
mg/kg Pb≤
|
0.50
|
|||
|
cfu/g Total viable counter≤
|
5000
|
10000
|
||
|
cfu/g yeast and mould≤
|
500
|
1000
|
||
|
(MPN/100g)Coliform≤
|
30
|
70
|
||