Zinc Oxide (indirect method)
|
Test Item
|
Standard
|
Test Result
|
|
Zinc oxide % ≥
|
99.90
|
99.91
|
|
Metals(As Zn)% ≤
|
none
|
none
|
|
Lead oxide(As Pb) % ≤
|
none
|
none
|
|
Manganic Oxide% ≤
|
0.0001
|
0.0001
|
|
Cupric oxide% ≤
|
0.0002
|
0.0002
|
|
Hydrochloric acid insoluble matter %≤
|
0.006
|
0.006
|
|
loss of ignition %≤
|
0.2
|
0.2
|
|
Residue on sieve(45um)%≤
|
0.10
|
0.10
|
|
hydrotrope%≤
|
0.10
|
0.10
|
|
volatile %≤
|
0.3
|
0.3
|