Specification:
|
Item
|
Index
|
|
Appearance
|
White odorless powder or crystalline solid particles, with special sourness
|
|
Content
|
99. 00~100.50%
|
|
Heavy metal (base on Pb)
|
10 PPM max.
|
|
Arsenic (base on As)
|
3 PPM max.
|
|
Water content
|
0.5 % max
|
|
Melting range
|
286~302 °C
|
|
Residue on ignition
|
0.1 %max
|
|
Chroma (in 5% ethanol)
|
15
|
|
Malic acid
|
0.1 %max
|