Sodium acetate anhydrous
Njirimara physicochemical:
1. Colorless na transperent monoclinic prismatic crystal ma ọ bụ ọcha crystalline ntụ ntụ, odorless ma ọ bụ ubé mmanya na-esi ísì, dịtụ ilu, mfe ihu igwe na akọrọ na iru mmiri ikuku.
2. Solubility mmiri (46.5g / 100mL, 20 ℃, pH nke 0.1mol / L aqueous ngwọta bụ 8.87), acetone, wdg, soluble na ethanol, ma insoluble na ether.
3. Ebe mgbaze (℃): 324
Nchekwa
1. Chekwaa na ebe a na-emechi emechi na nkụ.
2. Ejiri akpa rọba kpuchie, akpa kpara akpa ma ọ bụ akpa egbe dị ka uwe elu.Sodium acetate bụ ihe na-adịghị mma, n'ihi ya, ekwesịrị ichebe ya na mmiri n'oge nchekwa na njem.Amachibidoro nke ọma ịkpọtụrụ gas na-emebi emebi, gbochie ikpughe na anyanwụ na mmiri ozuzo, ma jiri mkpuchi mmiri bufee ya.
Jiri
1. Mkpebi nke ndu, zinc, aluminum, iron, cobalt, antimony, nickel na tin.Stabilizer na-agbagwoju anya.Enyemaka, ihe nchekwa, desiccant, mordant maka acetylation.
2. A na-eji achọpụta ndu, zinc, aluminum, iron, cobalt, antimony, nickel, na tin.A na-eji ya dị ka onye na-ahụ maka esterification na njikọ organic na ọtụtụ akụkụ dị ka ọgwụ foto, ọgwụ, ibipụta na agba agba, ihe na-emepụta ihe, kemịkalụ reagents, ihe nchekwa anụ, pigmenti, tanning, wdg.
3. Ejiri ya dị ka ihe nchekwa, onye na-ekpo ọkụ, onye na-ekpo ọkụ na pH regulator.Dị ka ihe na-echekwa ihe na-esi ísì ụtọ, 0.1%-0.3% nwere ike iji mee ka ísì ọjọọ kwụsị ma gbochie ngbanwe iji meziwanye ekpomeekpo.Ọ nwere mmetụta mgbochi ebu, dị ka iji 0.1%-0.3% na ngwaahịa surimi na achịcha.Ọ nwekwara ike-eji dị ka a utoojoo gị n'ụlọnga maka sizinin ihendori, sauerkraut, Mayonezi, azụ achicha, soseji, achịcha, nnyapade achicha, wdg Mixed na methyl cellulose, phosphate, wdg, na-eji melite ichebe nke sausaji, achịcha, nnyapade. achịcha, wdg.
4. A na-eji ya dị ka onye na-eme ihe na-ekpo ọkụ maka chloroprene roba na-achịkwa sọlfọ.Usoro onunu ogwu bụ n'ozuzu 0,5 akụkụ site uka.Enwere ike iji ya dị ka ihe na-emekọrịta ihe maka gluu anụmanụ.
5. Enwere ike iji ngwaahịa a gbakwunye tin electroplating alkaline, ma ọ nweghị mmetụta doro anya na mkpuchi na usoro electroplating, ọ bụghịkwa ihe dị mkpa.A na-ejikarị sodium acetate eme ihe dị ka ihe nchekwa, dị ka acid zinc plating, alkaline tin plating na electroless nickel plating.
Nkọwapụta ogo
ITEM | Ọkwa ọgwụ | Nri nri | Ụlọ ọrụ mmepụta ihe | Europe | Reagent ọkwa |
Ọdịnaya % | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 |
Ọdịdị | Ọcha, enweghị isi, dị mfe igbari, kristal ntụ ntụ | ||||
20 ℃ 下5% pH | 7.5-9.0 | 7.5-9.0 | 7.5-9.0 | 8.0-9.5 | 7.5-9.0 |
Mmiri anaghị agbaze%≦ | 0.05 | 0.05 | 0.05 | 0.01 | |
Ọla dị arọ (pb)%≦ | 0.001 | 0.001 | 0.001 | 0.001 | |
Chloride (Cl)% ≦ | 0,035 | 0.1 | 0,002 | ||
Phosphate (PO4)% ≦ | 0.001 | 0.001 | |||
Sulfate (SO4)% ≦ | 0,005 | 0.05 | 0,003 | ||
Ígwè (Fe)%≦ | 0.01 | 0.001 | |||
Mmiri (mfu na ihicha 120 ℃, 240min)% ≦ | 1 | 1 | 1 | 2 | 1 |
alkali efu (dị ka Na2CH3)%≦ | 0.2 | ||||
Ngwakọta potassium | Gafere ule | ||||
Arsenic (dị ka)%≦ | 0,0003 | 0,0003 | |||
Calcium (Ca)% ≦ | Gafere ule | 0,005 | |||
Magnesium (Mg)% ≦ | Gafere ule | Gafere ule | 0,002 | ||
HG% ≦ | Gafere ule | 0,0001 | |||
ndu (Pb)%≦ | 0,0005 | ||||
Na-ebelata ihe (gbakọrọ dị ka formic acid)%≦ | 0.1 | ||||
Organic volatiles | Gafere ule |