Oxalic acidcas68603-87-2
nkowa
| Ihe | Nkowa |
| Mputa | Ọcha mmiri mmiri |
| Na-agbaze | 189.5°C (dec.) (Light.) |
| Isi mmiri | 337.5℃[na 101 325 Pa] |
| keuju | 0.99 g / ml na 25 Celsius C |
| Vapor njupụta | 4.4 (vs ikuku) |
| Nsogbu vepo | <0.01mhg(20) |
| Acidity Coeffinition (Pka) | 4.43 [na 20℃] |
| Mwepu mmiri | 100g / l na 25℃ |
| Mkpuchi Mkpuchi | ACGIH: TWA 1 mG / m3; Stel 2 mg / m3 |
| Mkpokoro | 0.162 na 25 ℃ |
| Mmechi | Nsonaazụ na-emetụta ụkpụrụ ụlọ ọrụ |
Ojiji
Oxalic acidNgwọta acidic acidic nke ọma na ịta uche mara mma ma na-ejikarị ya na ngalaba dị ka nyocha kemịkalụ, mmepụta ọrụ, na sayensị mmụta sayensị. Usoro ngwa ọrụ dị ka ndị a:
Nyocha kemịkalụ na mkpebi siri ike
- Acid - isi titationtationtation, acid acid bụ acid na-esighi ike nke nwere ike ịnwe mmeghachi omume na ntọala. Enwere ike iji ya dị ka ọkọlọtọ acidiza iji chọpụta ịta nke alkaline alkaline nke alkaline. Iji maa atụ, mgbe ị na-etinye usoro sodium hydroxide na usoro ọkọlọtọ acid, na-eji Phenolphthalein dị ka ihe ngosipụta, ịba ọcha nke sodium hydroometric nwere ike gbakọọ ihe ngwọta Oxalic acidic na njedebe - isi nke tithation.
- Times Times: carbon ihe dị na oxalic acid nwere valence acid nwere oke +3, na-egosi ntughari na inwe ike ime ihe ndị na-eme ihe na-emegharị emegharị. Na acidic na-ajụ, nwere ike ị oxasanized site na potassium permanganate. Iji mmeghachi omume a, enwere ike iji usoro acid ọkọlọtọ acid mee ihe iji gosipụta ezi uche nke potassium permanganate.
Njikwa ahụike
- Ọgwụgwọ elu elu: na elu usoro ọgwụgwọ nke ọla dị ka aluminium, enwere ike iji azịza actic maka etching na nhicha. Site na iji usoro acidic acid, a ga-achịkwa ihe ga-edozi ahụ iji hụ na agbanwe agbanwe na nkwụsi ike nke usoro ọgwụgwọ elu nke elu, si otú a ka mma ngwaahịa ọgwụgwọ. Dịka ọmụmaatụ, site na ịchịkwa ntinye uche nke ọkọlọtọ Oxalic acidic dị ka otu ngwaahịa, ngwaahịa a na-enwe ike ị nweta iji nweta otu ma mara mma.
- Enwere ike iji usoro electropliting: Enwere ike iji usoro ọkọlọtọ acid: Enwere ike iji usoro acidic acid iji mezie acidity na mejupụtara electroplit, na-ejide ogo na arụmọrụ nke akwa electropres. Na-achịkwa itinye uche oxalic na-enyere aka mee ka adhesion, gloss, na nguzogide nke electroplited oyi akwa electropres, na-ejide na ngwaahịa electropress na-emezu ụkpụrụ.
Nkwakọ ngwaahịa na mbufe
25KG / Drum ma ọ bụ dị ka ihe ndị ahịa chọrọ.
Mbupu: 6 ụdị ngwongwo dị ize ndụ ma nwee ike ịnapụta oke osimiri.
Debe na nchekwa
Ndụ ndụ: Mmadụ 24 site na ụbọchị nrụpụta na mbụ nkwakọ ngwaahịa mbụ a na-echekwa na ebe dị jụụ na-acha uhie uhie, mmiri.
Buflọ ahịa ventilet ventilated, obere ihicha okpomọkụ, kewapụrụ si ehihiding, acids.
