一、化學(xué)名:雙乙酸鉀
二、分子式:C4H7KO4
三、分子量:158.09
四、性狀:無(wú)色或白色結(jié)晶性粉末,有堿味,易潮解,易溶于水,溶于甲醇、乙醇、液氨,不溶于乙醚、丙酮。
五、用途:雙乙酸鉀作為緩沖控制食物酸度的藥劑,它可以用于低鈉食譜作為雙乙酸鈉的替代品。還可用于各種加工食品如肉制品防腐劑,即食餐,沙拉醬等。
六、包裝:內(nèi)襯聚乙烯塑料袋,外套復(fù)合塑料編織袋包裝,每袋凈重25kg。
七、貯存與運(yùn)輸:本品應(yīng)貯存在干燥通風(fēng)清潔的庫(kù)房中,裝載運(yùn)輸時(shí)要輕裝輕放,防止包裝破損,防止受潮、受熱,運(yùn)輸過(guò)程中防止雨淋受潮,應(yīng)與有毒物品隔離。
質(zhì)量指標(biāo) | Specification | E?262(ii) |
乙酸鉀(以干基計(jì)),w/%???????????????≥ | Potassium acetate(On Dry Basis),w/%???≥ | 61.0-64.0 |
游離醋酸(以干基計(jì)),w/%?????????????≥ | Titratable acidity(On Dry Basis),w/%????≥ | 36.0-38.0 |
水分,w/%???????????????????????????≤ | Moisture,w/%?????????????????≤ | 1.0 |
甲酸、甲酸鹽及其他易氧化物(以甲酸計(jì)),w/%????????????????????????????????≤ | Formic acid, formate, and other oxidisable subs.(as formic acid)e,w/%????????????≤ | 0.1 |
重金屬(以Pb計(jì)),mg/kg????????????????≤ | Heavy metal (as Pb),mg/kg????????????≤ | 10 |
砷(As),w/%?????????????????????????≤ | Arsenic (As),w/%???????????????????≤ | 3 |
鉛(Pb),w/%?????????????????????????≤ | Lead (Pb) ,w/%?????????????????????≤ | 2 |
汞(Hg),mg/kg???????????????????????≤ | Mercury?(Hg),mg/kg?????????????????≤ | 1 |
pH(10%溶液),w/%???????????????????≤ | pH?(10%?Solution),w/%??????????????≤ | 4.5-5.0 |