| Model: | 1185-53-1 |
|---|---|
| Brand: | TRIS-HCl |
| Origin: | - |
| Category: | Chemicals / Other Chemicals |
| Label: | 1185-53-1 , TRIS-HCl |
| Price: |
US $233
/ KG
|
| Min. Order: | 1 KG |
| Live Chat: | Last Online:08 May, 2021 |
|
Items |
Standard |
Result |
|
Appearance |
White crystal |
White crystal |
|
IR |
Confirm to reference standard |
Confirm |
|
Assay,by Titration 0.1 N NaOH/Dried basis |
99.5-101% |
99.9% |
|
Melting point |
149-153℃ |
150.2-152.7℃ |
|
Water content(By K.F) |
0.5% max |
0.36% |
|
Loss on drying |
0.5% max |
0.04% |
|
PH(1.0% aqueous) |
4.2-5.0 |
4.8 |
|
Ultraviolet Absorbance(1.0M aqueous) |
A(260nm): 0.06Abs unit max A(280nm): 0.05Abs unit max |
0.022 0.021 |
|
Solubility(1.0M aqueous) |
Clear, colorless solution |
Clear, colorless solution |
|
Heavy metal |
5ppm max |
5ppm max |
|
Fe |
5ppm max |
5ppm max |
|
Ni |
3ppm max |
3ppm max |
