|
|
|
Item |
Standard |
|
Appearance |
White powder |
|
Moisture(105℃，4h) |
≤15% |
|
Particle Size |
90% Crossed 80 mesh |
|
Viscosity(1.5%,75℃,#1sp 30rpm) |
≥10mPa.s |
|
Total Sulphate |
15-40% |
|
PH（1.5%w/w,60℃） |
7-10 |
|
As （mg/kg） |
≤3 |
|
Pb（mg/kg） |
≤5 |
|
Cd（mg/kg） |
≤1 |
|
Hg（mg/kg） |
≤1 |
|
Gel Strength
(1.5%Lat20℃ 10h ) |
≥800 g/cm2 |
|
Acid Insoluble Ash |
≤1% |
|
Total Plate Count |
≤5000cfu/g |
|
Yeast and Moulds |
≤300cfu/g |
|
Escherichia Coli |
negative by test |
|
Salmonella |
negative by test | |
|
