Specifications
1. Phosphoric acid food grade
2. Food grade
3. Industry grade
4. Cas no.: 7664-38-2
5. Content:85% min&75% min
2. Food grade
3. Industry grade
4. Cas no.: 7664-38-2
5. Content:85% min&75% min
Phosphoric acid food grade
Molecular Formula : H3PO4
Molecular Weight : 97.99
Molecular Weight : 97.99
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Item
|
Value
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Industry Grade
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Food Grade
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85%
|
75%
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Excellent
|
Grade 1
|
Grade 2
|
Excellent
|
Grade 1
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Grade 2
|
||
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Colority ≤
|
20
|
30
|
40
|
20
|
30
|
40
|
20
|
|
Content (H 3 P O 4 ), % ≥
|
85.0
|
85.0
|
85.0
|
75.0
|
75.0
|
75.0
|
75.0~86.0%
|
|
Chloride(Cl ) , % ≤
|
0.0005
|
0.0005
|
0.001
|
0.0005
|
0.0005
|
0.001
|
|
|
Sulphates( SO 4 ), % ≤
|
0.003
|
0.005
|
0.01
|
0.003
|
0.005
|
0.01
|
|
|
Iron(Fe), % ≤
|
0.002
|
0.002
|
0.005
|
0.002
|
0.002
|
0.005
|
|
|
Ars enic (As) , % ≤
|
0.0001
|
0.005
|
0.01
|
0.0001
|
0.005
|
0.01
|
0.00005
|
|
Arsenic (Pb), % ≤
|
0.001
|
0.001
|
0.05
|
0.001
|
0.001
|
0.05
|
0.0005
|
|
Heavy metals ( F), % ≤
|
|
|
|
|
|
|
0.0010
|
|
Easily oxidated matter( H 3 PO 3 ), % ≤
|
|
|
|
|
|
|
0.012
|