Index

specification

Sensory index

Colour

White, delicate, shiny

 Taste

silky tastes, No sand taste

 Shape

Smooth soft powder，non caking

Impurity

/

Physical and chemical index

Moisture%

≤ 15

Ashes%

≤0.30

Spot No./c

≤4.0

Whiteness  457nm Blu ray refractive index

%

≥ 80

PH

6.0-8.0

Viscosity 5% starch paste 30℃Pa·S

≥0.06

 Hygienic  index

Sulphur dioxide mg/kg

/

Arsenic mg/kg

/

Lead mg/kg

/