1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) HEDP 90% ufa/ HEDP 60% madzi
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
Nambala ya CAS 2809-21-4
Fomula ya Maselo: C2H8CHONSE7P2
Kulemera kwa maselo: 206.02
Gulu: 60% madzi; 90% ufa
HEDP Ndi choletsa kupangika kwa organophosphorus acid. Chimatha kupangika ndi ma ayoni a Fe, Cu, ndi Zn kuti apange mankhwala okhazikika a chelating. Chimatha kusungunula zinthu zomwe zasungunuka pamwamba pa zitsulozi. HEDP imasonyeza zotsatira zabwino kwambiri zoletsa dzimbiri pa kutentha kwa 250℃. HEDP Ili ndi kukhazikika kwabwino kwa mankhwala pansi pa pH yokwera, yovuta kusungunuka ndi madzi, komanso yovuta kusungunuka pansi pa kuwala ndi kutentha kwabwinobwino. Kulekerera kwake kusungunuka ndi asidi/alkali ndi chlorine kuli bwino kuposa kwa ma acid ena a organophosphorus (mchere). HEDP Amatha kuchitapo kanthu ndi ma ayoni achitsulo m'madzi kuti apange hexa-element chelating complex, makamaka ndi calcium ion. Chifukwa chake, HEDP ili ndi zotsatira zabwino zotsutsana ndi kukula kwa thupi komanso zooneka bwino. Ikapangidwa pamodzi ndi mankhwala ena ochizira madzi, imasonyeza zotsatira zabwino zogwirizana. Mkhalidwe wolimba wa HEDP Ndi ufa wa kristalo, woyenera kugwiritsidwa ntchito m'nyengo yozizira komanso m'malo ozizira kwambiri. Chifukwa cha kuyera kwake kwakukulu, ungagwiritsidwe ntchito ngati chotsukira m'magawo amagetsi komanso ngati zowonjezera mu mankhwala a tsiku ndi tsiku.
HEDP imagwiritsidwa ntchito ngati choletsa dzimbiri ndi sikelo m'madzi ozizira ozungulira, mafuta ndi ma boiler otsika mphamvu m'minda monga magetsi, makampani opanga mankhwala, zitsulo, feteleza, ndi zina zotero. Mumakampani opanga nsalu zopepuka, HEDP imagwiritsidwa ntchito ngati sopo wa zitsulo ndi zosagwiritsa ntchito zitsulo. Mu makampani opanga utoto, HEDP imagwiritsidwa ntchito ngati chokhazikika cha peroxide komanso chopangira utoto; Mu electroplating yopanda cyanide, HEDP imagwiritsidwa ntchito ngati choletsa kuwononga. Mlingo wa 1-10mg/L umakondedwa ngati choletsa kuwononga, 10-50mg/L ngati choletsa kuwononga, ndi 1000-2000mg/L ngati chotsukira. Kawirikawiri, HEDP imagwiritsidwa ntchito limodzi ndi polycarboxylic acid.
| Zinthu | Mndandanda | |
|---|---|---|
| Maonekedwe | Yankho lamadzi loyera, lopanda utoto mpaka lachikasu chopepuka | Ufa woyera wa kristalo |
| Zomwe zikugwira ntchito (HEDP)% | 58.0-62.0 | Mphindi 90.0 |
| Zomwe zikugwira ntchito (HEDP·H2THE)% | - | Mphindi 98.0 |
| Phosphorous acid (monga PO33-)% | 2.0 payokha | 0.8 payokha |
| Phosphoric acid (monga PO43-)% | 0.8 payokha | 0.5 payokha |
| Chloride (monga Cl-)% | 0.02 payokha | 0.01 payokha |
| pH (1% yankho la madzi) | 2.0 payokha | 2.0 payokha |
| Kuchulukana (20℃)g/cm3 | Mphindi 1.40 | - |
| Fe, mg/L | 20.0 payokha | 10.0 payokha |
| Kusungidwa kwa Ca (mg CaCO2)3/g) | Mphindi 500.0 | - |
Madzi a HEDP: 200L pulasitiki ng'oma, IBC (1000L), zomwe makasitomala amafuna.
HEDP yolimba: 25kg/thumba, zomwe makasitomala amafuna.
Kusungirako kwa miyezi khumi ndi iwiri m'chipinda chokhala ndi mthunzi komanso chouma.
