EDTA Disodium (EDTA-2Na) |139-33-3
Products Description
Acidum ethylenediaminetetraaceticum late abbreviatum ut EDTA, est acidum aminopolycarboxylicum sine colore, solidum aquaticum solubile.Basis conjugata, ethylenediaminetetraacetate nominatur.Solet limescale dissolvere.Usus eius oritur ob partes suas ut hexadentate ("sex-dentato") agentis ligandi et chelante, id est eius facultatem metallorum "sequester" sicut Ca2+ et Fe3+.Post EDTA constricti, metalla in solutione manent, sed reactivitatem diminutam exhibent.Producitur EDTA ut plures sales, notabiliter disodium EDTA et calcium disodium EDTA.
Specification
| ITEM | VEXILLUM |
| Aspectus | Album pulveris crystallini |
| Lepidium sativum | Transi test |
| Temptare (C10H14N2Na2O8.2H2O) | 99.0% ~ 101.0% |
| Chloride (Cl) | =< 0.01% |
| Sulphate (SO4) | =< 0.1% |
| pH (1%) | 4.0- 5.0 |
| Acidum nitrilotriaceticum | =< 0.1% |
| Calcium (Ca) | Negative |
| Ferrum (Fe) | =< 10 mg/kg |
| Duc (Pb) | =< 5 mg/kg |
| Arsenicum (As) | =<3 mg/kg |
| Mercurius (Hg) | =< 1 mg/kg |
| Metalla gravia (ut Pb) | =< 10 mg/kg |
