|
Items
|
Specifications
|
Results
|
|
|
Light yellow powder
|
Conforms
|
|
|
Particle size
|
80 mesh
|
Conforms
|
|
|
Chlorides
|
≤0,2 %
|
0.18%
|
|
|
Heavy Metal
|
≤10ppm
|
Conforms
|
|
|
lead
|
≤1ppm
|
0.5ppm
|
|
|
arsenic
|
≤0.5ppm
|
0.4ppm
|
|
|
Iron
|
≤10ppm
|
6.2ppm
|
|
|
Sulphate ash
|
≤0.4 ppm
|
0.2 ppm
|
|
|
pH value
|
6.0-7.0
|
6.8
|
|
|
Loss on drying (105°C)
|
≤5.0%
|
2.85%
|
|
|
Ethylen oxide
|
max. 1 ppm
|
Conforms
|
|
|
Melting Point
|
168°C-176°C
|
172.7°C
|
|
|
Residue on ignition
|
≤0.1%
|
|
|
|
Melamine
|
Negative
|
Negative
|
|
|
Methanol
|
|
1594.42 ppm
|
|
|
Assay (anhydrous substance)
|
97.0-105.0%
|
99.89%
|