1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) HEDP 90% foda / HEDP 60% ruwa
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS No. 2809-21-4
Tsarin kwayoyin halitta: C2H8THE7P2
Nauyin Kwayoyin: 206.02
Matsayi: 60% ruwa; 90% foda
HEDPshi ne mai hana organophosphoric acid lalata. Yana iya chelate da Fe, Cu, da Zn ions don samar da barga chelating mahadi.Yana iya narkar da oxidized kayan a kan wadannan karafa' saman.HEDPyana nuna kyakkyawan ma'auni da tasirin hana lalata a ƙarƙashin zafin jiki na 250 ℃.HEDPyana da kyakkyawan kwanciyar hankali na sinadarai a ƙarƙashin ƙimar pH mai girma, mai wuyar gurɓata ruwa, kuma yana da wuya a ruɓe ƙarƙashin haske na yau da kullun da yanayin zafi. Its acid/alkali da chlorine oxidation haƙuri sun fi na sauran organophosphoric acid (gishiri).HEDPzai iya amsawa tare da ions karfe a cikin tsarin ruwa don samar da hadaddun chelating na hexa-element, tare da ion calcium musamman. Don haka,HEDPyana da kyau antiscale da bayyane kofa effects. Lokacin da aka gina tare da wasu sinadarai na maganin ruwa, yana nuna sakamako mai kyau na aiki tare. A m hali naHEDPne crystal foda, dace da amfani a cikin hunturu da kuma daskarewa gundumomi. Saboda girman tsarkinsa, ana iya amfani da shi azaman wakili mai tsaftacewa a cikin filayen lantarki da ƙari a cikin sinadarai na yau da kullun.
HEDPana amfani dashi azaman sikelin da hana lalata a cikin kewaya tsarin ruwa mai sanyi, filin mai da tukunyar jirgi mara ƙarfi a cikin filayen kamar wutar lantarki, masana'antar sinadarai, ƙarfe, taki, da sauransu .. A cikin masana'antar saka haske,HEDPana amfani da shi azaman wanka don karfe da maras ƙarfe. A cikin masana'antar rini,HEDPana amfani dashi azaman stabilizer peroxide da wakili mai gyara rini; A cikin ba-cyanide electroplating,HEDPana amfani dashi azaman wakili na chelating. Matsakaicin 1-10mg/L an fi son a matsayin mai hana sikelin, 10-50mg/L azaman mai hana lalata, da 1000-2000mg/L azaman wanka. Yawancin lokaci,HEDPAna amfani dashi tare da polycarboxylic acid.
| Abubuwa | Fihirisa | |
|---|---|---|
| Bayyanar | Bayyananne, Mara launi zuwa kodadde ruwan ruwan ruwan rawaya | Farin lu'u-lu'u |
| Abun ciki mai aiki (HEDP)% | 58.0-62.0 | 90.0 min |
| Abun ciki mai aiki (HEDP·H2THE)% | - | 98.0 min |
| Phosphorous acid (kamar PO33-)% | 2.0 max | 0.8 max |
| Phosphoric acid (kamar PO43-)% | 0.8 max | 0.5 max |
| Chloride (kamar Cl-)% | 0.02 max | 0.01 max |
| pH (1% maganin ruwa) | 2.0 max | 2.0 max |
| Yawan yawa (20 ℃) g/cm3 | 1.40 min | - |
| Fe, mg/L | 20.0 max | 10.0 max |
| Ca sequestration (mg CaCO3/g) | 500.0 min | - |
HEDP ruwa: 200L filastik drum, IBC (1000L), bukatun abokan ciniki.
HEDP m: 25kg/bag, buƙatun abokan ciniki.
Ajiye na tsawon watanni goma sha biyu a cikin inuwar daki da bushewar wuri.
