Diethylenetriaminepentaacetic acid | 67-43-6
Product Specification:
|
Item |
Diethylenetriaminepentaacetic acid |
|
Content (%)≥ |
99.0 |
|
Chloride(as Cl)(%)≤ |
0.01 |
|
Sulphate (as SO4)(%)≤ |
0.05 |
|
Heavy metal (as Pb) (%)≤ |
0.001 |
|
Iron (as Fe) (%)≤ |
0.001 |
|
Weight loss on drying≤ |
0.2 |
|
Chelation value: mgCaCO3/g≥ |
252 |
|
Sodium carbonate dissolution test: |
Qualified |
|
pH value:(1(%) aqueous solution, 25℃) |
2.1-2.5 |
Product Description:
White crystals. Hygroscopic. Freely soluble in hot water and alkaline solutions, slightly soluble in cold water, insoluble in organic solvents such as ethanol and ether. Melting point 230°C (decomposition). Very slightly toxic (some claim non-toxic), LD50 (rat, oral) 665mg/kg.
Application:
(1) Complexing agent, complex titration of molybdenum, sulphate and rare earth metals, current endpoint method for the determination of copper.
Package: 25 kgs/bag or as you request.
Storage: Store at a ventilated, dry place.
Executive Standard: International Standard.
