EDTA Disodium (EDTA-2Na) | 139-33-3
Whakaahuatanga Hua
Ko te waikawa Ethylenediaminetetraacetic, he mea whakapotohia ko EDTA, he waikawa aminopolycarboxylic me te totoka kore tae, whakarewa-wai. Ko tona turanga hono ko te ethylenediaminetetraacetate. Ka whakamahia nuitia ki te whakakore i te kirikiri. Ko tona whaihua ka puta mai na te mea ko tana mahi hei hexadentate ("ono-niho") ligand me te chelating agent, ara, ko tona kaha ki te "whaiwhai" i nga katote whakarewa penei i te Ca2+ me te Fe3+. Whai muri i te herea e te EDTA, ka noho tonu nga katote whakarewa ki roto i te otinga engari ka whakaatu te hohenga whakaheke. Ka mahia te EDTA hei tote maha, ara ko te disodium EDTA me te calcium disodium EDTA.
Whakatakotoranga
| ITEM | Paerewa |
| Te ahua | Te paura tioata ma |
| Tautuhinga | Tukuna te whakamatautau |
| Whakamātautau (C10H14N2Na2O8.2H2O) | 99.0% ~ 101.0% |
| Chloride (Cl) | =< 0.01% |
| pūkawa (SO4) | =< 0.1% |
| pH (1%) | 4.0- 5.0 |
| Te waikawa Nitrilotriacetic | =< 0.1% |
| Konupora (Ca) | He kino |
| Ferrum (Fe) | =< 10 mg/kg |
| Arataki (Pb) | =<5 mg/kg |
| Arsenic (As) | =< 3 mg/kg |
| Mercury (Hg) | =< 1 mg/kg |
| Nga konganuku taumaha (hei Pb) | =< 10 mg/kg |
