Sodium acetate

Aha kemịkalụ: Sodium acetate

Ụdị molekụla: C₂H₃NaO₂ ; C₂H₃NaO₂· 3H₂O

Ibu Molecular: Igwe anaghị agba nchara: 82.03 ; Trihydrate: 136.08

CAS: Ihe na-ekpo ọkụ: 127-09-3; Trihydrate: 6131-90-4

agwa: Anhydrous: Ọ bụ kristal ọcha ntụ ntụ ma ọ bụ ngọngọ. Ọ dịghị isi, na-atọtụ mmanya mmanya. Njupụta njikọ bụ 1.528. Ebe mgbaze bụ 324 ℃. Ike nnabata mmiri siri ike. 1g sample nwere ike etisasịwo na 2ml mmiri.

Trihydrate: Ọ bụ kristal transperent ma ọ bụ na-acha ọcha kristal ntụ ntụ. Njupụta njikọ bụ 1.45. N'ime ikuku na-ekpo ọkụ na nke kpọrọ nkụ, ọ ga-adị mfe ihu igwe. 1g sample nwere ike etisasịwo na banyere 0.8mL mmiri ma ọ bụ 19mL ethanol.

Kpọtụrụ ugbu a gbadaa na pdf

Nkọwa ngwaahịa

Ojiji: A na-eji ya dị ka onye na-echekwa ihe, reagent na-esi ísì ụtọ, onye na-ahụ maka PH, onye na-ekpo ọkụ, wdg.

Nkwakọ ngwaahịa: Ajuju ya na akpa polyethylene dị ka oyi akwa dị n'ime, yana akpa rọba kpara akpa dị ka oyi akwa. Ibu ụgbụ nke akpa ọ bụla bụ 25kg.

Nchekwa na Ụgbọ njem: Ekwesịrị ịchekwa ya n'ụlọ nkwakọba ihe na-ekpo ọkụ na nke ikuku, na-echekwa ya na okpomọkụ na mmiri n'oge njem, na-ebufe ya na nlezianya ka ọ ghara imebi. Ọzọkwa, a ghaghị ịchekwa ya iche na ihe ndị na-egbu egbu.

Ọkọlọtọ Ogo: (GB 30603-2014, FCC VII)

Nkọwapụta		GB 30603-2014	FCC VII
Ọdịnaya (Na Akọrọ), w/% ≥		98.5	99.0-101.0
Acidity na alkalinity		Nyefee ule	—
Ndu (dị ka Pb), mg/kg ≤		2	2
Alkalinity, w/% ≤	Anyụnyụ ọkụ	—	0.2
Alkalinity, w/% ≤	Trihydrate	—	0.05
Ọnwụ na ihicha, w/%	Ihe na-adịghị mma ≤	2.0	1.0
Ọnwụ na ihicha, w/%	Trihydrate	36.0-42.0	36.0-41.0
Ngwakọta potassium		Nyefee ule	Nyefee ule