| Model: | 77-86-1 |
|---|---|
| Brand: | Tris(hydroxymethyl)aminomethane |
| Origin: | Made In China |
| Category: | Chemicals / Other Chemicals |
| Label: | 77-86-1 |
| Price: |
US $125
/ KG
|
| Min. Order: | 1 KG |
| Last Online:08 May, 2021 |
|
Items |
Standard |
Result |
|
Appearance |
White crystalline powder |
Conforms |
|
Content |
≥99.5% |
99.6% |
|
Melting point |
168.0～171.0℃ |
168.5～169.9℃ |
|
Solubility(40% aq.) |
Clear ,colorless solution |
Conforms |
|
Heavy metals |
≤5ppm |
2ppm |
|
Water content |
≤0.2% |
0.12% |
|
PH value(5% aq.) |
10.0～11.5 |
10.8 |
|
Iron ion |
≤1ppm |
1ppm |
|
Sulfate |
≤10ppm |
5ppm |
|
Chloride |
≤3ppm |
3ppm |
|
Ultraviolet absorbance (280nm,40%aq.) |
≤0.07 |
0.035 |
|
Ultraviolet absorbance (400nm,40%aq.) |
≤0.02 |
0.003 |
|
Infrared spectrum |
Conforms to reference |
Conforms |
|
Conclusion: Qualified |
||
