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Name of index
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GB25565-2010
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FCC-V
|
|
Content (on dried material) ≥%
|
97.0
|
97.0
|
|
Heavy Metals≤%
|
0.001
|
-
|
|
Water Insoluble ≤%
|
0.2
|
0.2
|
|
(As) ≤%
|
0.0003
|
0.0003
|
|
Fluoride (as F) ≤%
|
0.005
|
0.005
|
|
Pb ≤%
|
0.0004
|
0.0004
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PH Value
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11.5-12.5
|
-
|
|
P2O5
|
39.83
|
-
|
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Loss on drying (anhydrous) ≤%
|
2.0
|
2.0
|
|
Loss on drying (dodecahydrate) ≤%
|
45.0-57.0
|
45.0-57.0
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