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項目
|
指 標
|
|
|
優(yōu)等品
|
優(yōu)等品
|
一等品/彩管級
|
|
K2CO3 ≥
|
99.0%(WT)
|
99.0%(WT)
|
|
KCL ≤
|
0.01%
|
0.03%
|
|
K2SO4 ≤
|
0.01%
|
0.04%
|
|
Fe ≤
|
0.001%
|
0.002%
|
|
水不溶物 ≤
|
0.02%
|
0.03%
|
|
灼燒矢量 ≤
|
0.60%
|
0.80%
|
|
粒度（1.4mm篩余物） ≤
|
1.0%
|
1.0%
|
|
（180um篩余物）≥
|
90.0%
|
85.0%
|
|
堆積密度 ≥
|
1.3g/ml
|
1.2g/ml
|
