| ≥1 piece |
S odium tripolyphosphate
|
Product Name |
Sodium Tripolyphosphate (STPP) Tech Grade |
|
|
H.S.Code |
28353190 |
|
|
CAS No. |
7758-29-4 |
|
|
Molecular Formula |
Na 5 P 3 O 10 |
|
|
Molecular wt |
367.86 |
|
|
Production standard |
GB/T9983-88 |
|
|
Index |
Request |
|
|
Na 5 P 3 O 10 content (purity) % |
≥ 94.00 |
|
|
P 2 O 5 content % |
≥ 56 |
|
|
Fe Content |
≤ 70 ppm |
|
|
Water Insoluble % |
≤ 0.10 |
|
|
Bulk Density g/ml |
0.6 ~0.9 |
|
|
Phase I content % |
5~40 |
|
|
Whiteness % |
85 min |
|
|
pH value (1% water solution) |
9.2 ~10.0 |
|
|
Loss on drying (500C ) % |
\ |
|
|
Residue on % |
18 mesh |
\ |
|
20 mesh |
\ |
|
|
40 mesh |
\ |
|
|
100 mesh |
\ |
|
|
Hydration speed (R.O.H) |
1 min. |
\ |
|
5 min. |
\ |
|
|
Volatile matter (105 C) % |
\ |
|
|
Appearance |
white powder |
|
|
Packing |
25/1000/1100kg bags, PP bag with PE liner, 20~25mt/20fcl |
|