Ethylene Diamine Tetraacetic Acid Tetrasodium (EDTA Na4)
Akụrụngwa: Ethylene Diamine Tetraacetic Acid Tetrasodium (EDTA Na4)
CAS #: 64-02-8
Usoro: C10H12N2O8Na4· 4H2O
Usoro nhazi:
Na-eji: Eji ya mee ihe dị ka ihe na-eme ka mmiri dị nro, ihe na-eme ka rọba sịntetịt, mbipụta na ịcha akwa, ihe ndị na-eme ihe ncha.
Nkọwapụta:
| Ihe | Ọkọlọtọ |
| Ọdịdị | White crystalline ntụ ntụ |
| Nyocha | ≥99.0% |
| Ndu (Pb) | ≤0.001% |
| Ígwè (Fe) | ≤0.001% |
| Chloride (Cl) | ≤0.01% |
| Sulfate (SO4) | ≤0.05% |
| PH (ihe ngwọta 1%) | 10.5-11.5 |
| Uru aghụghọ | ≥220 mgcaco3/g |
| NTA | ≤1.0% |
Usoro ngwaahịa:
A na-enweta ya site na mmeghachi omume nke ethylenediamine na chloroacetic acid, ma ọ bụ mmeghachi omume nke ethylenediamine na formaldehyde na sodium cyanide.
Atụmatụ:
EDTA 4NA bụ ọcha crystalline ntụ ntụ nwere 4 kristal mmiri, mfe soluble na mmiri, aqueous ngwọta bụ alkaline, ubé soluble na organic solvents dị ka ethanol, nwere ike ida akụkụ ma ọ bụ niile nke crystal mmiri na elu okpomọkụ.
Ngwa:
EDTA 4NA bụ igwe chelator ion a na-ejikarị eme ihe.
1. Enwere ike iji ya na ụlọ ọrụ textile maka ịcha akwa, nkwalite agba, meziwanye agba na nchapụta nke akwa akwa.
2. Ejiri ya dị ka mgbakwunye, activator, metal ion masking agent na activator na ụlọ ọrụ roba butadiene.
3. Enwere ike iji ya na ụlọ ọrụ acrylic akọrọ iji mebie nnyonye anya ígwè.
4. EDTA 4NA nwekwara ike iji na mmiri mmiri na-eme ka ọ dịkwuo mma ịsacha na mmetụta ịsa ahụ.
5. A na-eji ya dị ka ihe na-eme ka mmiri dị nro, ihe na-eme ka mmiri dị ọcha, nke a na-eji maka ọgwụgwọ mmiri dị mma.
6. A na-eji ya dị ka ihe na-emepụta roba sịntetik, acrylic polymerization terminator, obibi akwụkwọ na ịcha akwa, wdg.
7. A na-ejikwa ya maka titration na nyocha nke kemịkalụ, ma nwee ike ịgbatị ion dị iche iche nke ígwè n'ụzọ ziri ezi.
8. Na mgbakwunye na ojiji ndị a dị n'elu, EDTA 4NA nwekwara ike iji ọgwụ, kemịkalụ kwa ụbọchị, ime akwụkwọ na ụlọ ọrụ ndị ọzọ.
