1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) HEDP 90% lulú / HEDP 60% olomi
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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS No.. 2809-21-4
Fọọmu Molecular: C2H8O7P2
iwuwo molikula: 206.02
Iwọn: 60% olomi; 90% lulú
![](https://a762.goodao.net/uploads/c6c38665.png)
HEDP jẹ oludena ipata organophosphoric acid. O le chelate pẹlu Fe, Cu, ati Zn ions lati dagba idurosinsin chelating agbo.O le tu awọn ohun elo oxidized lori wọnyi awọn irin 'dada.HEDPṣe afihan iwọn to dara julọ ati awọn ipa idinamọ ipata labẹ iwọn otutu 250 ℃.HEDP ni iduroṣinṣin kemikali ti o dara labẹ iye pH giga, lile lati jẹ hydrolyzed, ati lile lati jẹ jijẹ labẹ ina lasan ati awọn ipo ooru. Awọn oniwe-acid/alkali ati ifarada ifoyina chlorine dara ju ti awọn acids organophosphoric miiran (iyọ).HEDP le fesi pẹlu irin ions ninu omi eto lati dagba hexa-ano chelating eka, pẹlu kalisiomu ion ni pato. Nítorí náà,HEDP ni o dara antiscale ati ki o han ala ipa. Nigbati a ba kọ papọ pẹlu awọn kemikali itọju omi miiran, o fihan awọn ipa amuṣiṣẹpọ to dara. Awọn ri to ipinle tiHEDP jẹ lulú gara, o dara fun lilo ni igba otutu ati awọn agbegbe didi. Nitori mimọ giga rẹ, o le ṣee lo bi oluranlowo mimọ ni awọn aaye itanna ati bi awọn afikun ninu awọn kemikali ojoojumọ.
![](https://a762.goodao.net/uploads/c6c38665.png)
HEDPti wa ni lo bi asekale ati ipata idinamọ ni kaa kiri itura omi eto, epo aaye ati kekere-titẹ igbomikana ni awọn aaye bi ina, kemikali ise, Metallurgy, ajile, bbl .. Ni ina hun ile ise,HEDP ti wa ni lo bi detergent fun irin ati nonmetal. Ni ile-iṣẹ didin,HEDP ti a lo bi peroxide stabilizer ati oluranlowo ti n ṣatunṣe awọ; Ni ti kii-cyanide electroplating,HEDP ti wa ni lo bi chelating oluranlowo. Iwọn lilo ti 1-10mg/L ni o fẹ bi oludena iwọn, 10-50mg/L bi oludena ipata, ati 1000-2000mg/L bi ifọṣọ. Nigbagbogbo,HEDPA lo pẹlu polycarboxylic acid.
![](https://a762.goodao.net/uploads/c6c38665.png)
Awọn nkan | Atọka | |
---|---|---|
Ifarahan | Ko o, Awọ si bia ofeefee aqueous ojutu | Funfun gara lulú |
Akoonu ti nṣiṣe lọwọ (HEDP)% | 58.0-62.0 | 90.0 iṣẹju |
Akoonu ti nṣiṣe lọwọ (HEDP·H2O)% | - | 98.0 iṣẹju |
Phosphorous acid (bi PO33-)% | 2.0 ti o pọju | 0.8 ti o pọju |
Phosphoric acid (bi PO43-)% | 0.8 ti o pọju | 0.5 ti o pọju |
Chloride (bii Cl-)% | ti o pọju 0.02 | ti o pọju 0.01 |
pH (1% ojutu omi) | 2.0 ti o pọju | 2.0 ti o pọju |
Ìwúwo (20℃) g/cm3 | 1.40 iṣẹju | - |
Fe, mg/L | 20.0 ti o pọju | 10.0 ti o pọju |
Ca sequestration (mg CaCO3/g) | 500.0 iṣẹju | - |
![](https://a762.goodao.net/uploads/c6c38665.png)
Omi HEDP: 200L ṣiṣu ilu, IBC (1000L), ibeere awọn onibara.
HEDP to lagbara: 25kg / apo, ibeere awọn alabara.
Ibi ipamọ fun oṣu mejila ni iboji yara ati aye gbigbẹ.