Ethylene Diamine Tetraacetic Acid Tetrasodium (EDTA Na4)
Ngwaahịa: Ethylene Diamine Tetraacetic Acid Tetrasodium (EDTA Na)4)
Nọmba CAS: 64-02-8
Usoro: C10H12N2O8Na4· 4H2O
Usoro nhazi:
Ojiji: A na-eji ya eme ihe dị ka ihe na-eme ka mmiri dị nro, ihe na-akpalite roba sịntetik, ihe na-eme ka mbipụta na agba agba dị nro, ihe na-eme ka ncha dị nro.
Nkọwapụta:
| ihe | Ọkọlọtọ |
| Ọdịdị | Ntụ ntụ ọcha |
| Nnwale | ≥99.0% |
| Lead (Pb) | ≤0.001% |
| Ígwè (Fe) | ≤0.001% |
| Chloride (Cl) | ≤0.01% |
| Sulfate (SO2)4) | ≤0.05% |
| PH (1% ngwọta) | 10.5-11.5 |
| Uru Chelating | ≥220mgcaco3/g |
| NTA | ≤1.0% |
Usoro ngwaahịa:
A na-enweta ya site na mmeghachi omume nke ethylenediamine na chloroacetic acid, ma ọ bụ site na mmeghachi omume nke ethylenediamine na formaldehyde na sodium cyanide.
Atụmatụ:
EDTA 4NA bụ ntụ ọcha kristal nwere mmiri kristal anọ, ọ na-agbaze ngwa ngwa na mmiri, mmiri mmiri bụ alkaline, ọ na-agbaze ntakịrị na ihe ndị na-agbaze organic dịka ethanol, ọ nwere ike ịlafu akụkụ ma ọ bụ mmiri kristal niile n'oge okpomọkụ dị elu.
Ngwa:
EDTA 4NA bụ ihe eji eme ka ígwè ion chelator nke a na-ejikarị eme ihe n'ọtụtụ ebe.
1. Enwere ike iji ya mee ihe n'ụlọ ọrụ ákwà maka ịcha agba, ime ka agba dịkwuo mma, ime ka agba na ịdị mma nke ákwà agba agba dịkwuo mma.
2. A na-eji ya eme ihe dị ka ihe mgbakwunye, ihe na-eme ka ihe na-akpali akpali, ihe na-eme ka ihe na-ekpuchi ihe mkpuchi ígwè na ihe na-eme ka ihe na-akpali akpali n'ụlọ ọrụ roba butadiene.
3. Enwere ike iji ya na ụlọ ọrụ acrylic kpọrọ nkụ iji belata nnyonye anya ígwè.
4. Enwere ike iji EDTA 4NA mee ihe n'ime ihe nhicha mmiri iji melite ịdị mma nke ịsa ákwà na mmetụta ịsa ákwà.
5. A na-eji ya eme ihe dị ka ihe na-eme ka mmiri dị nro, ihe na-eme ka mmiri dị ọcha, a na-ejikwa ya eme ihe dị mma maka ọgwụgwọ mmiri.
6. A na-eji ya dịka ihe na-eme ka roba sịntetik sie ike, ihe na-eme ka acrylic polymerization gwụchaa, ihe na-ebipụta ma na-agba agba, wdg.
7. A na-ejikwa ya maka titration na nyocha kemịkalụ, ọ nwekwara ike titration nke ọma ọtụtụ ion ígwè.
8. Na mgbakwunye na ojiji ndị a dị n'elu, enwere ike iji EDTA 4NA mee ihe na ọgwụ, kemịkalụ kwa ụbọchị, imepụta akwụkwọ na ụlọ ọrụ ndị ọzọ.
