项目
|
指标
|
||
Nks131
|
Nks132
|
Nks133
|
|
氧化锌(ZnO)/% ≥
|
99.0
|
97.0
|
95.0
|
电镜平均粒径/nm ≤
|
20
|
57
|
100
|
XRD线宽化法平均晶粒/nm ≤
|
20
|
52
|
100
|
比表面积/(㎡/g) ≥
|
60
|
62
|
65
|
团聚指数 ≤
|
50
|
60
|
100
|
铅(Pb)/% ≤
|
0.0005
|
0.0005
|
0.0005
|
锰(Mn)/% ≤
|
0.0001
|
0.0001
|
0.0001
|
铜(Cu)/% ≤
|
0.0001
|
0.0001
|
0.0001
|
镉(Cd)/% ≤
|
0.0002
|
-
|
-
|
汞(Hg)/% ≤
|
0.0001
|
-
|
-
|
砷(As)/% ≤
|
0.0001
|
-
|
-
|
105℃挥发物/% ≤
|
0.30
|
0.4
|
0.5
|
水溶物/% ≤
|
0.10
|
0.41
|
0.5
|
盐酸不溶物/% ≤
|
0.02
|
0.02
|
0.02
|
灼烧失重/% ≤
|
2
|
2
|
2
|