| ≥1 piece |
|
Inspection Item
|
Specification
|
|
Appearance
|
White crystal or crystalline powder
|
|
Melting Point
|
69.0~ 70.0°C
|
|
Purity
|
≥ 99.0%
|
|
Sulphate(SO 4 )
|
≤ 0.002%
|
|
Heavy Metal(Pb)
|
≤ 0.0004%
|
|
As
|
≤ 0.0001%
|
|
Ash
|
≤ 0.01%
|
|
Moisture
|
≤ 0.1%
|
|
Free Phenol(P-cresol)
|
≤ 0.02%
|