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Place of Origin :
China
CAS No. :
7664-38-2
Classification :
Phosphoric Acid
Purity :
85%
Related Keywords : Phosphoric acid , chemical products , chemical china , phosphorus
Description
Phosphoric acid
1.CAS No.: 7664-38-2
Molecular Formula: H3PO4
Molecular Weight: 97.995
standard: GB2091-2003
2.Performance: Colorless transparent oily liquid, odorless, sour flavor,
soluble in water,soluble in alcohol. Much acidity than sulfuric acid, hydrochloric acid, nitric acid.
3.Use:
Mainly use for phosphate, fertilizer, alum timber’s polishing compound,
bonderite, metal mundificant, organic synthesis catalyst,
it is the desiccant during producing dyestuff and intermediate.
4.Specification:
|
Item |
Index |
||||||
|
85% |
75% |
||||||
|
Chroma/Hazen ≤ |
20 |
30 |
40 |
20 |
30 |
40 |
|
|
(H3PO4) mass fraction % ≥ |
85.0 |
85.0 |
85.0 |
75.0 |
75.0 |
75.0 |
|
|
chlorid (Cl) mass fraction % ≤ |
0.0005 |
0.0005 |
0.0005 |
0.0005 |
0.0005 |
0.0005 |
|
|
sulfate (SO4) mass fraction % ≤ |
0.003 |
0.005 |
0.01 |
0.003 |
0.005 |
0.01 |
|
|
iron(Fe)mass fraction % ≤ |
0.002 |
0.002 |
0.005 |
0.002 |
0.002 |
0.005 |
|
|
arsenic (As) mass fraction % ≤ |
0.0001 |
0.005 |
0.01 |
0.0001 |
0.005 |
0.01 |
|
|
heavy metal (Pb) mass fraction % ≤ |
0.001 |
0.001 |
0.05 |
0.001 |
0.001 |
0.05 |
|
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