≥1 piece |
Item
|
Enterprise standard
|
|
Appearance
|
Purple powder .
|
Purple liquid
|
Color value
|
20
|
5.0
|
Ph value
|
2.5-3.5
|
2.5-3.5
|
Loss on drying % min
|
5.0
|
----
|
Residue on ignition % max
|
3.0
|
2.0
|
Heavy metal(pb)mg/kg max
|
10.0
|
10.0
|
Lead (pb) mg/kg max
|
2.0
|
2.0
|
Arsenic (as)mg/kg max
|
1.0
|
1.0
|
Total plate count(cuf/g) max
|
10
|
10
|
Pathogenic bactria
|
Negative
|
Negative
|