V2O5 hmoov

 

Vanadium pentoxide yog amphoteric oxide, tab sis feem ntau yog acidic, volatilizing ho siab tshaj 700 degree. Nws decomposes rau oxygen thiab vanadium tetraoxide ntawm 700-1125 degree, ib qho cuab yeej uas ua rau nws ua rau muaj kev cuam tshuam ntau yam organic thiab inorganic. Vanadium pentoxide yog lub zog oxidizer, yooj yim txo rau ntau yam tsawg -tus nqi oxides. Vanadium pentoxide yog me ntsis soluble hauv dej thiab yooj yim tsim cov tshuaj colloidal ruaj khov. Vanadium pentoxide yog soluble heev hauv alkali, thiab tuaj yeem tsim vanadate (VO-) nyob rau hauv tsis muaj zog alkaline tej yam kev mob. Vanadium pentoxide yaj nyob rau hauv muaj zog acids (feem ntau soluble ntawm pH =2) tsis tsim vanadate ions tab sis oxyvanadium ions nyob rau hauv tib lub xeev valence (VO +). Vanadium pentoxide yog cov tshuaj lom neeg uas muaj qib siab tshaj plaws hauv huab cua tsawg dua 0.5mg / m³.

 

Khoom npe	Vanadium Pentoxid
Qib	Qib Industrial
Xim	Txiv kab ntxwv daj
Purity	98.5%/99%/99.5%
Cov duab	Hmoov
Solubility	Me ntsis soluble nyob rau hauv dej, insoluble nyob rau hauv ethanol, soluble nyob rau hauv muaj zog acid, muaj zog puag.
Melting point	690ºC

Ntim: hmoov 25kg composited hnab lined nrog hnab yas (paper thoob), Flake 50kg ntawv thoob
 

Cia: Lub pob yuav tsum tau muab kaw, maj mam thauj khoom thiab tshem tawm, ya raws - pov thawj thiab tsis muaj dej, thiab yuav tsum muab cia rau hauv qhov chaw txias, qhuav, thiab cua tshuab.

 

 

 

 

Daim ntawv thov tseem ceeb tshaj plaws ntawm vanadium pentoxide yog raws li ib qho catalyst rau oxidation ntawm sulfur dioxide rau sulfur trioxide nyob rau hauv txoj kev sib cuag ntawm sulfuric acid. Cov tshuaj tiv thaiv ntxiv ntawm sulfur trioxide nrog sulfuric acid muab pyrosulfuric acid, thiab ib qho pyrosulfuric acid tuaj yeem ntxiv rau hauv dej los tsim ob sulfuric acids.

 

2 SO2 + O2 ⇌ 2 SO3
Cov tshuaj tiv thaiv catalytic feem ntau tshwm sim ntawm 400-620 degree. Hauv qab no qhov kub thiab txias, vanadium pentoxide tsis catalytically active; saum toj no qhov kub thiab txias, vanadium pentoxide decomposes. Lub catalytic mechanism ntawm cov tshuaj tiv thaiv yog raws li nram no, ntawm ib tug tsawg valence vanadium dioxide intermediate:

 

SO2 + V2O5(s) → SO3(g) + 2 VO2(s)
2 VO2(s) + 1/2 O2(g) → V2O5

 

 

 

Q: Lub sijhawm xa khoom yog dab tsi? Koj puas muaj nws hauv Tshuag?

A: Yog, peb muaj nyob rau hauv Tshuag. Lub sij hawm xa tuaj yog nyob ntawm koj cov ncauj lus kom ntxaws thiab feem ntau nyob ib ncig ntawm 7-15 hnub.

Q: Koj cov nqe lus ntawm kev xa khoom yog dab tsi?

A: Peb txais FOB, CFR, CIF, thiab lwm yam. Koj tuaj yeem xaiv txoj kev yooj yim tshaj plaws.

Q: Koj cov nqe lus them nqi yog dab tsi?

A: 30% kev them nyiaj ua ntej, tshuav nyiaj li cas tiv thaiv daim ntawv luam ntawm daim nqi (lossis L / C)

Thov hu rau peb yog tias koj muaj lus nug. Ua kom muaj kev sib txuas lus raws sijhawm thiab muaj txiaj ntsig zoo thaum lub sijhawm ua haujlwm.

 

Q: Koj puas muaj kev tswj xyuas zoo?

A: Yog, peb tau txais BV, SGS authentication.

Cim npe nrov: V2O5 hmoov, Tuam Tshoj V2O5 hmoov manufacturers, lwm tus neeg, Hoobkas