Sodium acetate anhydrous
Physicochemical Properties:
1. Launi kuma m monoclinic prismatic crystal ko farin crystalline foda, wari ko dan kadan vinegar wari, dan kadan m, sauki yanayi a bushe da kuma m iska.
2. Ruwa mai narkewa (46.5g / 100mL, 20 ℃, PH na 0.1mol / L aqueous bayani shine 8.87), acetone, da dai sauransu, mai narkewa a cikin ethanol, amma insoluble a cikin ether.
3.Narkewa (℃): 324
Adana
1. Ajiye a cikin busasshiyar wuri.
2. Cike da jakar filastik liyi, jakar saƙa ko jakar gunny a matsayin gashin waje. Sodium acetate yana raguwa, don haka ya kamata a kiyaye shi daga danshi yayin ajiya da sufuri. An haramta shi sosai don tuntuɓar iskar gas, hana kamuwa da rana da ruwan sama, da jigilar shi da murfin ruwan sama.
Amfani
1. Ƙaddamar da gubar, zinc, aluminum, iron, cobalt, antimony, nickel da tin. Mai rikitarwa stabilizer. Auxiliary, buffer, desiccant, mordant don acetylation.
2. Ana amfani dashi don ƙayyade gubar, zinc, aluminum, iron, cobalt, antimony, nickel, da tin. An yi amfani da shi azaman wakili na esterification a cikin haɗin gwiwar kwayoyin halitta da abubuwa da yawa kamar magungunan hoto, magunguna, bugu da rini, buffers, reagents sinadarai, abubuwan adana nama, pigments, tanning, da sauransu.
3. An yi amfani da shi azaman buffer, ɗanɗanon ɗanɗano, wakili mai ɗanɗano da mai sarrafa pH. A matsayin ma'auni na kayan ƙanshi, 0.1% -0.3% za a iya amfani dashi don rage wari mara kyau da kuma hana canza launi don inganta dandano. Yana da wani tasirin anti-mold, kamar amfani da 0.1%-0.3% a cikin samfuran surimi da burodi. Hakanan za'a iya amfani dashi azaman wakili mai tsami don kayan yaji, sauerkraut, mayonnaise, cake na kifi, tsiran alade, burodi, cake mai ɗanɗano, da dai sauransu Mixed tare da methyl cellulose, phosphate, da dai sauransu, ana amfani da su don inganta adana tsiran alade, burodi, m. biredi, da sauransu.
4. An yi amfani da shi azaman mai hana ƙura don sulfur-regulated chloroprene roba coking. Matsakaicin shine gabaɗaya sassa 0.5 ta taro. Hakanan za'a iya amfani da shi azaman wakili mai haɗin gwiwa don manne dabba.
5. Wannan samfurin za a iya amfani da shi don ƙara alkaline electroplating tin, amma ba shi da wani tasiri a kan shafi da kuma electroplating tsari, kuma ba dole ba ne. Ana amfani da sodium acetate sau da yawa a matsayin buffer, kamar acid plating zinc, plating tin alkaline da nickel plating mara amfani.
Ƙayyadaddun inganci
ITEM | Matsayin magunguna | Matsayin abinci | Matsayin masana'antu | Turai | Reagent daraja |
Abun ciki % | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 |
Bayyanar | Fari, mara wari, mai sauƙin narkewa, foda crystalline | ||||
20℃下5% pH | 7.5-9.0 | 7.5-9.0 | 7.5-9.0 | 8.0-9.5 | 7.5-9.0 |
Ruwa mara narkewa% ≦ | 0.05 | 0.05 | 0.05 | 0.01 | |
Karfe masu nauyi (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 | ||
Iron (Fe)%≦ | 0.01 | 0.001 | |||
Danshi (asarar bushewa 120 ℃, 240min)% ≦ | 1 | 1 | 1 | 2 | 1 |
alkali kyauta (kamar Na2CH3)%≦ | 0.2 | ||||
Potassium mahadi | Ci jarrabawar | ||||
Arsenic (kamar yadda)% ≦ | 0,0003 | 0,0003 | |||
Calcium (Ca)% ≦ | Ci jarrabawar | 0.005 | |||
Magnesium (Mg)% ≦ | Ci jarrabawar | Ci jarrabawar | 0.002 | ||
HG% ≦ | Ci jarrabawar | 0.0001 | |||
gubar (Pb)%≦ | 0.0005 | ||||
Rage abubuwa (ƙididdige shi azaman formic acid)%≦ | 0.1 | ||||
Halitta maras tabbas | Ci jarrabawar |