Ethylene Diamine Tetraacetic Acid Tetrasodium (EDTA Na4)
Badeecada: Ethylene Diamine Tetraacetic Acid Tetrasodium (EDTA Na4)
CAS #: 64-02-8
Formula: C10H12N2O8Na4· 4H2O
Qaab-dhismeedka:
Waxa loo isticmaalaa sida wakiilada biyaha jilciya, kiciya caagga synthetic, daabacaadda iyo rinjiyeynta adjuvants, adjuvants saabuunta
Tilmaamaha:
| Shayga | Heerka |
| Muuqashada | Budada crystalline cad |
| Qiimayn | ≥99.0% |
| Leedhka (Pb) | ≤0.001% |
| Birta (Fe) | ≤0.001% |
| Chloride (Cl) | ≤0.01% |
| Sulfate (SO4) | ≤0.05% |
| PH (1% xal) | 10.5-11.5 |
| Qiimaha khiyaamada | ≥220mgcaco3/g |
| NTA | ≤1.0% |
Habka alaabta:
Waxaa laga helaa falcelinta ethylenediamine leh chloroacetic acid, ama falcelinta ethylenediamine leh formaldehyde iyo sodium cyanide.
Astaamaha:
EDTA 4NA waa budada crystalline cad oo ka kooban 4 biyo crystal ah, si fudud u milmay biyaha, xal aqueous waa alkaline, wax yar ku milmay organic dareere sida ethanol, waayi kartaa qayb ama dhammaan biyaha crystal heerkulka sare.
Codsiyada:
EDTA 4NA waa chelator ion bir aad loo isticmaalo.
1. Waxaa loo isticmaali karaa warshadaha dharka si loogu dheehdo, kor u qaadida midabka, hagaajinta midabka iyo dhalaalka dharka midabaysan.
2. Waxaa loo isticmaalaa wax lagu daro, firfircooniye, wakiilka waji-xidhka ion birta iyo firfircoonida warshadaha caagga butadiene.
3. Waxaa loo isticmaali karaa warshadaha akril qalalan si loo yareeyo faragelinta birta.
4. EDTA 4NA waxa kale oo loo isticmaali karaa saabuunta dareeraha ah si loo hagaajiyo tayada dhaqida iyo saamaynta dhaqida.
5. Waxaa loo istcimaalayaa jilciye biyaha, nadiifiyaha biyaha, loo isticmaalo daawaynta tayada biyaha.
6. Loo isticmaalo sidii kicinta caagga synthetic, acrylic polymerization terminator, kaaliyeyaasha daabacaadda iyo midabaynta, iwm.
7. Waxa kale oo loo isticmaalaa titration ee falanqaynta kiimikada, oo si sax ah u titrate karaa noocyo kala duwan oo ions biraha.
8. Marka lagu daro isticmaalka kor ku xusan, EDTA 4NA waxa kale oo loo isticmaali karaa dawooyinka, kiimikooyinka maalinlaha ah, samaynta waraaqaha iyo warshadaha kale.
