Aha ngwaahịa:Oxalic acid
Ọkpụkpọ anụ ahụ:C2H2O4
CAS Mba:144-62-7
Ọdịdị molekụla ngwaahịa:
A na-ekesa acid oxalic n'ọtụtụ ebe na osisi na okike, ọtụtụ dị n'ụdị nnu oxalic acid.CW Scheele nwere nke mbụ emepụtara oxalate na 1776.
Oxalate bụ acid kachasị ike n'etiti acid dicarboxylic.E wezụga inwe njiri mara nke carboxylic acid, ọ nwekwara ike ibelata ihe onwunwe ma nwee ike ibelata manganese valence asaa n'ụzọ dị ukwuu na manganese bivalent.A na-ejikarị ihe onwunwe a eme ihe maka nyocha ọnụọgụ nke potassium permanganate.
5 C2H2O4 + 2 KMnO4 + 3 H2SO4 →K2SO4 + 2 MNSO4 + 8H2O + 10 CO2;
Oxalic acid nwekwara ike ibelata ígwè trivalent ka ọ bụrụ ígwè bivalent.N'ihi nnukwu solubility nke ígwè bivalent na mmiri, anyị nwere ike itinye ụkpụrụ a iji wepụ nchara na uwe.
Oxalic acid nwere ike meghachi omume na phosphorus pentachloride iji mepụta phosphorus oxychloride.C2H2O4 + PCl5 → POCl3 + CO + CO2 + 2 HCL.
Oxalic acid nwere ike meghachi omume na ọtụtụ ọla iji mepụta nnu oxalic acid.Na mgbakwunye na nnu alkali metal na nnu bivalent iron salts na nnu oxalic acid ndị ọzọ na-esighị ike na mmiri.Ụfọdụ nnu ígwè, ọ bụ ezie na esichaghị ike na mmiri, nwere ike ịmepụta mgbagwoju anya nke na-agbaze na mmiri.
Fe2 (C2O4) 3 + 3 K2C2O4 + 6 H2O →2 K3 [Fe (C2O4) 3] • 6 H2O.
N'elu kpo oku, alkali metal na alkaline ụwa metal oxalic acid nnu nwere ike ida carbon monoxide na-etolite carbonates na carbonate na-aga n'ihu na-n'okpuru kpo oku ga-n'ihu decomposed n'ime oxide na carbon dioxide.Nnu oxalic acid nke nickel, cobalt na ọlaọcha nwere ike mechaa mepụta ọla kama ịbụ oxide na-abụghị metal.
Ngwaahịa na-emebi emebi nke oxalate bụ carbon dioxide, carbon monoxide na mmiri.
Oxalate na oxalic acid nnu na-egbu egbu.Oke, site na nchịkwa ọnụ, nwere LD50 nke 2000 ~ 4000 mg / kg.
1. Enwere ike iji oxalic acid mee ihe dị ka onye na-ebelata ihe na-eme ka ọ bụrụ onye na-eme ka ọ dị ọcha, mordant maka ịcha akwa na ụlọ ọrụ na-ebi akwụkwọ, nke a na-ejikwa na-edozi metal dị ụkọ, njikọ nke dị iche iche oxalate ester amide, oxalate na ahịhịa, wdg.
2. Eji dị ka nyocha reagent.
3. Eji dị ka laabu reagents, chromatography analysis reagent, agba intermediates na ọkọlọtọ ihe.
4. Oxalic acid bụ nke a na-eji emepụta ọgwụ ndị dị ka ọgwụ nje na borneol na ihe mgbaze maka ịwepụta ígwè ndị na-adịghị ahụkebe, ibelata ihe na-eme ka ihe na-esiji esiji, ihe tanning, wdg. Tụkwasị na nke ahụ, a pụkwara iji oxalic acid mee ihe maka nhazi nke ụdị oxalate dị iche iche. ester, oxalate, na oxamide nwere diethyl oxalate, sodium oxalate na calcium oxalate nwere mkpụrụ kacha ukwuu.A pụkwara iji oxalate mee ihe maka mmepụta nke cobalt-molybdenum-alumina catalyst, ihicha ígwè na marble yana ịcha ọcha nke textiles.
Chemwin nwere ike inye nnukwu hydrocarbons na ihe mgbaze kemịkalụ maka ndị ahịa ụlọ ọrụ.Tupu nke ahụ, biko gụọ ozi ndị a bụ isi gbasara ịzụ ahịa na anyị:
1. Nchekwa
Nchekwa bụ ihe kacha anyị mkpa.Na mgbakwunye na ịnye ndị ahịa ozi gbasara iji ngwaahịa anyị dị mma na gburugburu ebe obibi, anyị na-agbakwa mbọ hụ na ihe egwu nchekwa nke ndị ọrụ na ndị ọrụ ngo belatara n'obere ezi uche na enwere ike.Ya mere, anyị na-achọ ka onye ahịa hụ na a na-ezute ụkpụrụ nbudata na nchekwa nchekwa kwesịrị ekwesị tupu nnyefe anyị (biko rụtụ aka na mgbakwunye HSSE na usoro izugbe na ọnọdụ ahịa n'okpuru).Ndị ọkachamara HSSE anyị nwere ike ịnye ntụzịaka na ụkpụrụ ndị a.
2. Usoro nnyefe
Ndị ahịa nwere ike ịtụ ma wepụta ngwaahịa sitere na chemwin, ma ọ bụ ha nwere ike nweta ngwaahịa sitere na ụlọ ọrụ nrụpụta anyị.Ụdị njem dịnụ gụnyere gwongworo, ụgbọ okporo ígwè ma ọ bụ ụgbọ njem multimodal (ọnọdụ dị iche na-emetụta).
N'ihe gbasara ihe ndị ahịa chọrọ, anyị nwere ike ịkọwapụta ihe achọrọ nke ụgbọ mmiri ma ọ bụ ụgbọ mmiri ma tinye ụkpụrụ nchekwa / nyochaa pụrụ iche na ihe ndị a chọrọ.
3. Ọnụ ọgụgụ kacha nta
Ọ bụrụ na ịzụrụ ngwaahịa sitere na webụsaịtị anyị, ọnụọgụ kacha nta bụ tọn 30.
4. Ịkwụ ụgwọ
Usoro ịkwụ ụgwọ ọkọlọtọ bụ mwepu ozugbo n'ime ụbọchị 30 site na akwụkwọ ọnụahịa ahụ.
5. Akwụkwọ nnyefe
Enyere akwụkwọ ndị a na nnyefe ọ bụla:
Bill of Lading, CMR Waybill ma ọ bụ akwụkwọ njem ndị ọzọ dị mkpa
· Asambodo nyocha ma ọ bụ nkwenye (ọ bụrụ na achọrọ ya)
Akwụkwọ metụtara HSSE kwekọrọ n'ụkpụrụ
Akwụkwọ kọstọm kwekọrọ n'ụkpụrụ (ọ bụrụ na achọrọ ya)
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