China Hepes CAS 7365-45-9, Find details about China 7365-45-9, CAS 7365-45-9 from Hepes CAS 7365-45-9
Item | Specifications |
Appearance | Free flowing white powder |
Assay(potertiometric cal on dry substance | Min 99.5% |
Color ( 1M solution) | Pass test |
PKa at 20 ºC | 7.4-7.7 |
Heavy metals ( Pb ) | <5ppm |
Sulfate | <0.05% |
Residue on Ignition | <0.1% |
Loss on drying (105 C,3 hours | <1% |
UV absobance/260nm | <0.5 |
UV absobance/280nm | <0.5 |
UV absobance/440nm | <0.2 |