Iṣuu soda Acetate Anhydrous
Awọn ohun-ini kẹmika:
1. Colorless ati sihin monoclinic prismatic gara tabi funfun crystalline lulú, odorless tabi die-die kikan olfato, die-die kikorò, rọrun lati oju ojo ni gbẹ ati ki o tutu air.
2. Solubility omi (46.5g/100mL, 20 ℃, PH of 0.1mol/L aqueous solution is 8.87), acetone, etc., tiotuka ni ethanol, ṣugbọn insoluble ni ether.
3.Melting point (℃): 324
Ibi ipamọ
1. Fipamọ ni ibi ti a ti pa ati ki o gbẹ.
2. Ti kojọpọ pẹlu apo ṣiṣu ti o ni ila, apo hun tabi apo gunny bi ẹwu ita. Sodium acetate jẹ deliquescent, nitorina o yẹ ki o ni aabo lati ọrinrin lakoko ipamọ ati gbigbe. O jẹ eewọ patapata lati kan si pẹlu gaasi ipata, ṣe idiwọ ifihan si oorun ati ojo, ati gbe e pẹlu ideri ojo.
Lo
1. Ipinnu ti asiwaju, zinc, aluminiomu, irin, cobalt, antimony, nickel ati tin. Complending amuduro. Iranlọwọ, saarin, desiccant, mordant fun acetylation.
2. Ti a lo lati pinnu asiwaju, zinc, aluminiomu, irin, kobalt, antimony, nickel, ati tin. Ti a lo bi oluranlowo esterification ni iṣelọpọ Organic ati ọpọlọpọ awọn aaye bii awọn oogun fọtoyiya, awọn oogun, titẹjade ati awọn mordants dyeing, awọn buffers, awọn reagents kemikali, awọn olutọju ẹran, awọn awọ, soradi, ati bẹbẹ lọ.
3. Ti a lo bi ifipamọ, oluranlowo adun, oluranlowo adun ati olutọsọna pH. Gẹgẹbi ifipamọ ti oluranlowo adun, 0.1% -0.3% le ṣee lo lati dinku õrùn buburu ati ki o ṣe idiwọ iyipada lati mu adun dara sii. O ni ipa egboogi-mimu kan, gẹgẹbi lilo 0.1% -0.3% ninu awọn ọja surimi ati akara. O tun le ṣee lo bi oluranlowo ekan fun obe seasoning, sauerkraut, mayonnaise, akara oyinbo, soseji, akara, akara oyinbo alalepo, bbl Ti a dapọ pẹlu methyl cellulose, fosifeti, bbl, ti a lo lati ṣe itọju awọn sausages, akara, alalepo. àkara, ati be be lo.
4. Ti a lo bi onidalẹkun scorch fun sulfur-regulated chloroprene roba coking. Iwọn lilo jẹ gbogbo awọn ẹya 0.5 nipasẹ ọpọ. O tun le ṣee lo bi awọn kan crosslinking oluranlowo fun eranko lẹ pọ.
5. Ọja yi le ṣee lo lati fi awọn ipilẹ electroplating Tinah, sugbon o ni ko si kedere ipa lori awọn ti a bo ati electroplating ilana, ati awọn ti o jẹ ko kan pataki eroja. Sodium acetate ni a maa n lo bi ifipamọ, gẹgẹbi dida zinc acid, tin tin alkaline ati dida nickel ti ko ni itanna.
Didara sipesifikesonu
Nkan | Pharmaceutical ite | Ounjẹ ite | Ipele ile-iṣẹ | Yuroopu | Reagent ite |
Akoonu% | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 | 99.0-101.0 |
Ifarahan | Funfun, ti ko ni olfato, rọrun lati tu, lulú kirisita | ||||
20℃下5% pH | 7.5-9.0 | 7.5-9.0 | 7.5-9.0 | 8.0-9.5 | 7.5-9.0 |
Omi ti ko le yo%≦ | 0.05 | 0.05 | 0.05 | 0.01 | |
Awọn irin ti o wuwo (pb)%≦ | 0.001 | 0.001 | 0.001 | 0.001 | |
Kloride (Cl)%≦ | 0.035 | 0.1 | 0.002 | ||
Phosphate (PO4)%≦ | 0.001 | 0.001 | |||
imi-ọjọ (SO4)% ≦ | 0.005 | 0.05 | 0.003 | ||
Iron (Fe)%≦ | 0.01 | 0.001 | |||
Ọrinrin (pipadanu lori gbigbe 120℃, 240min)% ≦ | 1 | 1 | 1 | 2 | 1 |
Alkali ọfẹ (gẹgẹbi Na2CH3)%≦ | 0.2 | ||||
Potasiomu agbo | Kọja idanwo naa | ||||
Arsenic (Bi)%≦ | 0.0003 | 0.0003 | |||
kalisiomu (Ca)%≦ | Kọja idanwo naa | 0.005 | |||
Iṣuu magnẹsia (Mg)%≦ | Kọja idanwo naa | Kọja idanwo naa | 0.002 | ||
HG%≦ | Kọja idanwo naa | 0.0001 | |||
asiwaju (Pb)%≦ | 0.0005 | ||||
Idinku oludoti (ti a ṣe iṣiro bi formic acid)%≦ | 0.1 | ||||
Organic volatiles | Kọja idanwo naa |