EDTA tetrasodium gishiri (EDTA 4NA), CAS # 64-02-8
CAS#: 64-02-8
Kwayoyin halittaFormula: C10H12N2O8Na4· 4H2O
Ana amfani da: Ana amfani da shi azaman masu laushin ruwa, masu haɓaka robar roba, bugu da rini, adjuvants.
Bayani:
Bayyanar: Farin foda ko farin crystalline Foda
Wari: Babu wari
Tsafta: ≥99.0%
Chloride: ≤0.01%
Sulfate: ≤0.05%
Iron (Fe): ≤0.001%
Karfe mai nauyi (Pb): ≤0.001%
Darajar Chelate (mgCaCO3/g): ≥220
PH: 10.5-11.5
Matsayin narkewa:> 300 ℃
Shiryawa: 25kg/bag
Solubility: EDTA 4NA yana narkewa a cikin ruwa da acid, maras narkewa a cikin barasa da benzene.
Kwanciyar hankali: Barga.Wanda bai dace ba tare da magunguna masu ƙarfi masu ƙarfi.
Yanayin ajiya: Ajiye a wuri mai sanyi, iska da bushewa, kariya daga rana da ruwan sama.
Tsarin samfur:
Ana samun shi daga amsawar ethylenediamine tare da chloroacetic acid, ko kuma daga amsawar ethylenediamine tare da formaldehyde da sodium cyanide.
Siffofin:
EDTA 4NA shine farin crystalline foda ya ƙunshi 4 crystal ruwa, sauƙi mai narkewa a cikin ruwa, ruwa mai ruwa bayani ne alkaline, dan kadan mai narkewa a cikin kwayoyin kaushi kamar ethanol, iya rasa wani ɓangare ko duk na crystal ruwa a high zafin jiki.
Aikace-aikace:
EDTA 4NA babban ion chelator ne wanda ake amfani dashi sosai.
1. Ana iya amfani da shi a cikin masana'antar yadi don yin rini, haɓaka launi, inganta launi da haske na yadudduka masu launi.
2. An yi amfani da shi azaman ƙari, mai kunnawa, wakilin ƙarfe ion masking da activator a cikin masana'antar roba na butadiene.
3. Ana iya amfani da a bushe acrylic masana'antu don biya diyya karfe tsangwama.
4. EDTA 4NA kuma za'a iya amfani dashi a cikin ruwa don inganta ingancin wankewa da tasirin wankewa.
5. Ana amfani dashi azaman mai laushi na ruwa, mai tsabtace ruwa, ana amfani da shi don maganin ingancin ruwa.
6. An yi amfani da shi azaman mai kara kuzari na roba, acrylic polymerization terminator, bugu da rini auxiliaries, da dai sauransu.
7. Hakanan ana amfani dashi don titration a cikin binciken sinadarai, kuma yana iya daidaita nau'ikan ions na ƙarfe daidai.
8. Baya ga abubuwan amfani da ke sama, ana iya amfani da EDTA 4NA a cikin magunguna, sinadarai na yau da kullun, yin takarda da sauran masana'antu.
