Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP·Na4)

Tetra Sodium Umunyu wa 1-Hydroxy Ethylidene-1,1-Acide Diphosphonic (HEDP · Na4)

CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na)

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CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms: Tetrasodium etidronate

Inzira ya molekulari: C.₂H₄O₇P₂Bimaze₄ Uburemere bwa molekile: 294

Imiterere yuburyo:

Ibyiza:

HEDP•Na₄ ni umunyu wa sodium ya HEDP, HEDP•Na₄ ni igipimo cyiza cya karisiyumu ya calcium, irashobora gukoreshwa muri sisitemu y’amazi y’umuvuduko ukabije, sisitemu y’amazi azenguruka, sisitemu y’amazi yo mu nganda n’amakomine hamwe na pisine.

The solid HEDP•Na₄ ni ifu yera, gushonga mumazi, byoroshye gutanga, bikwiriye gukoreshwa mugihe cyimbeho nubukonje. Nubwoko bwa acide ya organophorphonic na inhibitor ya ruswa, irashobora gukora ibintu bihamye hamwe na Fe, Cu na Zn ion, irashobora gushonga okiside hejuru yicyuma, ifite igipimo cyiza ningaruka zo kubuza ruswa munsi ya 250 ℃.

HEDP•Na₄ is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na₄ is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na₄ is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na₄ ikoreshwa nka chelating agent.

Ibisobanuro:

Ibintu	Ironderero
Kugaragara	Ibara ritagira ibara ry'umuhondo risukuye	Ifu yera
Ibirimo bifatika (HEDP)%	20.3-21.7	60.0 min
Active content (HEDP•Na₄)%	29.0-31.0	85.0 min
Acide ya fosifori yose (nka PO₄^3-) %	18.4-20.4	55.0 min
Fe, mg / L.	20.0 max	35.0 max
Ubushuhe ，%	--	10.0 max
Ubucucike (20 ℃) g / cm³	1.26-1.36	--
PH (1% igisubizo cyamazi)	10.0-12.0	11.0-12.0