Potassium acetate

Salts na esters nke acetic acid na-akpọ acetates. Ha na-tumadi mee ka a mordant, nke ndi e ji esiji ákwà na ofu na eriri. Karịsịa, potassium acetate (Ịhazi aha na English - Potassium acetate, synonym - potassium nnu) bụ a potassium nnu nke acetic acid, nwere chemical usoro CH3COOK. Ezengwenri uka bụ hà 98,15 g / mol.

N'okpuru nkịtị ọnọdụ ndị potassium acetate bụ a na-acha ọcha crystalline ntụ ntụ na bụ hygroscopic, otú ikuku na-agbasa. Ya njupụta bụ 1,57 g / cm³. The nnu bụ ngwa ngwa soluble n'ime mmiri: 100 ml dissolves ubé karịa 200 g nke nnu na 20 ° C na 492 g nke - na 62 Celsius C. Potassium acetate bụ ngwa ngwa soluble na mmanya (methanol na ethanol) na amonia, bụ unyi anaghị agbasa na ether na acetone. The okpomọkụ nke decomposition nke potassium acetate plus 292 Celsius C.

Njikere acetate potassium imeghachi omume ndị bụ isi ogige ndị dị otú ahụ dị ka potassium hydroxide (Koh) ma ọ bụ potassium carbonate (K2CO3) na acetic acid dapụtara neutralization mmeghachi omume: Koh + CH3COOH → CO2 + CH3COOK + H2O ma ọ bụ abụọ mgbanwe: K2CO3 + CH3COOH → CO2 + CH3COOK + H2O . N'ihi na ọla guzo electrochemical usoro ekpe nke hydrogen, e.g., potassium ma ọ bụ magnesium, ji mmeghachi omume na asịd na-abụghị oxidizing. Ndị dị otú ahụ asịd gụnyere acetic acid. Mgbe ọ na-interacts, e.g., magnesium, magnesium acetate a nwetara: mg + 2CH3COOH → mg (CH3COO) 2 + H2. Ma, nke a na usoro nwere dịghị ihe bara uru na ojiji maka nkwadebe nke magnesium ma ọ bụ potassium nnu nke acetic acid. Na a free ala, ndị a ọla adịghị adị na ọdịdị, na potassium n'ihi na ha na reactivity mkpatụ ngwa ngwa na mmiri na oxidized site ikuku oxygen. Ma ọ bụ a dị nnọọ oké ọnụ metal na na-eji ọbụna obere ugboro ugboro karịa sodium.

potassium acetate dị ka GOST 5820-78 na-eji na mmepụta nke organic sịlịkọn Polymers (silicones - direction ke n'ichepụta nke polima ngwaahịa mkpa na ekwe). Potassium acetate a na-eji dị ka a mkpali na mmepụta nke polyurethanes. Ihe ọzọ dị mkpa nke ebe ngwa nke potassium acetate - na ya iji dị ka a deicer. Nke a reagent nwere ọtụtụ uru (na ọ bụ obere ike ike na ùgwù nke ala), ya mere na-anọchi magnesium chloride ma ọ bụ calcium na nhazi nke runways na ọdụ ụgbọelu, na ya corrosive mmetụta na ọla bụ ihe na-erughị chlorides. Potassium acetate bụ adịghị emerụ kasị ebupụta, tinyere ihe, metal, osisi, gutters, ahịhịa na ahịhịa. Ma ebe ọ bụ ya price ka dị elu karịa nke chlorides, nke ikpeazụ na-họọrọ, n'agbanyeghị na gburugburu ebe obibi imebi na ụba wear nke akụrụngwa. Ke adianade do, potassium acetate, bụ irè ọkụ na-emenyụ ọkụ na-eji na-emenyụ ọkụ na-ọkụ. Ọ na-eji maka emenyụ mmanụ.

Potassium acetate na-eji ọ bụghị nanị na na ulo oru ntọala ma na-na nkà mmụta ọgwụ na nri ụlọ ọrụ (irè nri ghara E261, arụpụtara dị ka GOST 5820-78). N'ihi na ha tụnyere, ọzọ nnu nke carboxylic acid - Calcium acetate - bụghị ulo oru ngwa. Ọ na-enwetara naanị na ime nnyocha na ọnọdụ site na mmetụta nke acetic acid na calcium carbonate. The mmeghachi omume na-aga n'ihu ruo mgbe zuru ezu mkpochapu carbon dioxide: CaCO3 + 2CH3COOH → CO2 ↑ + (CH3COO) 2Ca + H2O. Eji (CH3COO) 2Ca nanị dị ka a nri mmako E263 n'ihi (dị ka CH3COOK) bụ irè egbochi mmebi.

Mgbe nnọchi ọgwụ maka ọgwụgwọ nke ọrịa ketoacidosis eji potassium acetate. N'ihi nwere ike isi gbochie ketoatsidoticheskaya ọrịa Coma, nke nwere ike ime ka a N'ihi nke metabolic acidosis (onye Onyenwe anyị + ọnụ) mere site metabolic ọrịa n'ihi pancreatic hormone erughi (insulin). High kasịnụ nke ọbara glucose na ketone ozu nke ndị budata elu karịa n'ahụ uru ketoatsidoticheskaya na-eduga ná ọrịa amaghị onwe ya. potassium acetate, a na-eji dị ka a nri mmako, dị ka ike nke na-ebelata ihe ndị larịị nke acidity na-amalite irekasị bicarbonate. N'ihi nke a, ọ na-eji na-emeso ọrịa na nchoputa nke mbụ ụdị ọrịa shuga.