|
Na2 B4O7 10H2O),% ≥
|
95
|
95.7
|
|
Na2 CO3 ,% ≤
|
0.20
|
0.17
|
|
Water insoluble matter, % ≤
|
0.04
|
0.032
|
|
Na2 So4 , % ≤
|
0.20
|
0.16
|
|
Na Cl, % ≤
|
0.05
|
0.05
|
|
Na2O, % ≥
|
15
|
16
|
|
B2O3 , % ≥
|
34
|
34.8
|
|
Fe % ≤
|
0.005
|
0.005
|
|
particle size
|
0.18-0.25 mm
|
Pass
|
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