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To use: Industrial grade sodium tripolyphosphate is mainly used as a detergent additive, and can also be used in petroleum, metallurgy, mining water treatment, etc. Sodium tripolyphosphate is mainly used as a quality improver in meat products and canned meat
Packaging: Plastic woven bag or kraft paper bag
|
Serial number |
Index name |
Industrial grade |
Food grade |
||
|
First level |
Second level |
Third level |
|||
|
1 |
Appearance |
White powder |
|
||
|
2 |
White chroma %≥ |
85.0 |
75.0 |
65 |
85 |
|
3 |
Sodium Tripolyphosphate（Na5P3O10）%≥ |
95.0 |
90.0 |
85 |
85 |
|
4 |
Phosphorus pentoxide（P2O5）%≥ |
57 |
56 |
55 |
56.-58.0 |
|
5 |
Water-insoluble matter %≤ |
0.1 |
0.01 |
0.015 |
0.1 |
|
6 |
PH value（1% Aqueous solution） |
9.2-10 |
9.5-10 |
||
|
7 |
Density g/cm |
0.5 |
0.65-0.9 |
||
|
8 |
Arsenic（As)%≤ |
/ |
/ |
/ |
4 |
|
9 |
Heavy metal(In terms of Pb）%≤ |
/ |
/ |
/ |
10 |
|
10 |
Fluoride（In terms of F mg/kg）%≤ |
/ |
/ |
/ |
50 |
|
11 |
Chlorine（CL)%≤ |
/ |
/ |
/ |
0.025 |
STPP Sodium tripolyphosphate 94%
