HEDP Cas 2809-21-4 Etidronic Acid Monohydrate
1-Hydroxyethylidene-1,1-diphosphonic acid / HEDP CAS 2809-21-4
1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)
Nọmba CAS: 2809-21-4
Ụdị ihe omimi: C2H8O7P2
Jiri
HEDP bụ ụdị ihe mgbochi corrosion nke cathodic.E jiri ya tụnyere inorganic phosphates, ọ nwere ike na- compounded na sodium molybdate, silicate, zinc nnu na co-polymer tumadi dị ka ọnụ ọgụgụ corrosion inhibitor na ọgwụgwọ nke cyclic jụrụ oyi mmiri, mmanụ ubi flash na ji esi mmiri ọkụ. ihe mgbagwoju anya na metal scour na electroplating.
Njirimara
HEDP nwere ike kechie ya na ion ise dị mma ma ọ bụ nke na-adịghị mma ma chelate ion ọla-valent abụọ n'ime mmiri.N'ihi ya, ọ na-ewe ezigbo ọnụ ọgụgụ na-egbochi mmetụta.Ngwaahịa a bụ ihe akaebe megide oke okpomọkụ, oxidizing na uru pH dị elu.Ọ na-egosi mmetụta synergic zuru oke yana idozi nsonaazụ ọnụ ebe a na-ejikọta ya na ihe mgbochi corrosion ndị ọzọ na ihe mgbochi ọnụ ọgụgụ.
Nkọwapụta
Ọdịdị | Mmiri mmiri na-enweghị isi na-acha odo odo na-acha odo odo |
Ọdịnaya nọ n'ọrụ | ≥60.0% |
Phosphorous acid (dị ka PO33-) | ≤2.0% |
Phosphoric acid (dị ka PO43-) | ≤0.8% |
Chloride (dị ka Cl-) | ≤100ppm |
Njupụta (20 ℃) | ≥1.40 g/cm3 |
PH (ihe ngwọta mmiri 1%) | ≤2.0 |
Calcium sequestration | ≥500 mgCaCO3/g |
Ojiji
Enwere ike jikọta HEDP na hydroxylaectic acid, PAA, BTA, molybdate, copolymer, zinc nnu, iji mejupụta organic-organic-alkali ma ọ bụ obere phosphor zinc na-ahụ maka ọgwụgwọ mmiri ka a ga-eji mee ihe n'ụdị usoro mmiri jụrụ oyi nke cyclic dị iche iche. site na mma mmiri.Usoro a na-abụkarị 2 ~ 10mg / L ebe HEDP na-eji naanị ya.
Ngwugwu na Nchekwa
250kg plastic drum ma ọ bụ 1250kg IBC, ga-echekwara na mma na ventilashion ụlọ na shelf oge nke otu afọ.
Pls kpọtụrụ anyị ka anyị nweta COA na MSDS.Daalụ.