USD $8.20-8.80 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
hefei tnj chemical industry co.,ltd., established in 2001, is a key chemical manufacturer and supplier in china. taking advantage of innovative technology and excellent talents and through over 15 years of development, tnj has become an international and diversified modern chemical giant focusing on four fields: industrial chemicals, pharmaceuticals, food & nutrition and personal care.
index name | gb 25565-2010 | |
main content≥% | 97.0 | |
ph value(1% aq. solution) | 11.5-12.5 | |
heavy metals (as pb) ≤% | 0.001 | |
as ≤% | 0.0003 | |
fluoride (f)≤% | 0.005 | |
pb ≤% | 0.0004 | |
water insoluble ≤% | 0.2 | |
loss on drying % | (na3po4), w/% | ≤2.0 |
(na3po4·h2o), w/% | 8.0-11.0 | |
(na3po4·12h2o), w/% | 45.0-57.0 |
i. chemical name: trisodium phosphate
ⅱ. molecular formula: na3po4·12h2o
ⅲ. molecular weight: 380.14
iv. properties: colorless needle-like hexagonal crystal; relative density 1.62 (20℃); melting point73.3-76.7℃ (decompound); can not melt in organism aqua. opposite density is 1.62 (20℃). the temperature reach the 73.3-76.7℃ it will melt. it vaporizes. when the temperature reach 100℃ it will loose water change into na3po4. aqueous is alkaline, erode to the skin.
v. quality standard:
index name | gb 25565-2010 | |
main content≥% | 97.0 | |
ph value(1% aq. solution) | 11.5-12.5 | |
heavy metals (as pb) ≤% | 0.001 | |
as ≤% | 0.0003 | |
fluoride (f)≤% | 0.005 | |
pb ≤% | 0.0004 | |
water insoluble ≤% | 0.2 | |
loss on drying % | (na3po4), w/% | ≤2.0 |
(na3po4·h2o), w/% | 8.0-11.0 | |
(na3po4·12h2o), w/% | 45.0-57.0 |