常用名 | 醋酸钾 | CAS号 | 127-08-2 |
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价格 | ¥7500.0/1ton | 纯度 | 99.0% |
备货期 | 1天 | 库存 | 现货 |
产品网页 | http://www.kolodcn.com |
产品详情(用途,包装等)
硫酸锌 ZINC SULFATE 一、化学名:硫酸锌 二、分子式:ZnSO4·H2O, ZnSO4·7H2O 三、分子量:一水:179.49;七水:287.58 四、CAS:一水:7446-19-7;七水:7446-20-0 五、性状:无色透明棱柱体或小针状体,或粒状结晶性粉末,无臭,相对密度1.957,熔点100℃,易溶于水,水溶液对石蕊呈酸性。微溶于乙醇和甘油。一水合物于温度超过238℃时失水。七水合物于室温干燥空气中逐渐风化。 六、用途:营养增补剂(锌强化剂)。加工助剂。可用于乳制品,婴幼儿食品,饮液及乳饮料,谷类及其制品,食盐,软饮料,可可粉及其他口味营养型固体饮料,孕产妇配方奶粉。 七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋,每袋净重25kg。 八、贮存与运输:本品应贮存在干燥通风清洁的库房中,装载运输时要轻装轻放,防止包装破损,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离。 质量指标 Specification GB25579-2010 FCC VII 含量 w/% ZnSO4·H2O Content w/% ZnSO4·H2O 99.0-100.5 98.0-100.5 ZnSO4·7H2O ZnSO4·7H2O 99.0-108.7 99.0-108.7 砷(As), w/% ≤ As ,w/% ≤ 0.0003 ———— 碱金属和碱土金属盐,w/% ≤ Alkalis and Alkaline Earths,w% ≤ 0.50 0.5 酸度,w/% ≤ Acidity, w/% ≤ 通过试验 Pass The Test
硒(Se), w/% ≤ Se, w/% ≤ 0.003 0.003 汞(Hg), w/% ≤ Hg, w/% ≤ 0.0001 0.0005 铅(Pb), w/% ≤ Pb, w/% ≤ 0.0004 0.0004 镉(Cd), w/% ≤ Cd, w/% ≤ 0.0002 0.0002 食品级乙酸钾 POTASSIUM ACETATE 一、化学名:乙酸钾 二、分子式:C2H3KO2 三、分子量:98.14 四、CAS:127-08-2 五、性状:白色结晶性粉末,有咸味,易潮解。1mol/l水溶液pH值为7.0-9.0。相对密度(d425)1.570, 熔点292℃, 极易溶于水(235g/100mL, 20℃; 492g/100mL, 62℃)、乙醇(33g/100mL)和甲醇(24.24g/100mL, 15℃),不溶于乙醚。 六、用途:缓冲剂、中和剂、防腐剂、护色剂(动植物天然色保护剂)。 七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋,每袋净重25kg。 八、贮存与运输:本品应贮存在干燥通风清洁的库房中,装载运输时要轻装轻放,防止包装破损,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离。 质量指标 Specification FAO/WHO,1992 含量(以干基计)w/% ≥ Content(As Dry Basis)w/% ≥ 99.0 干燥失重(150℃,2h) w/% ≤ Loss On Drying(150℃,2h) w/% ≤ 8.0 碱度 Alkalinity 正常(Normal) 砷(GT-3) w/% ≤ Arsenic w/% ≤ 0.0003 钠化合物 Sodium Compound 正常(Normal) 铅(GT-18) w/% ≤ Lead (GT-18) w/% ≤ 0.001 重金属(以Pb计;GT-16)w/% ≤ Heavy Metals(As Pb) w/% ≤ 0.002 1、Chemical Name: Potassium Acetate 2、Molecular Formula : C2H3KO2 3、Molecular Weight: 98.14 4、CAS: 127-08-2 5、Character: It is white crystalline powder. It’s easily deliquescent and tastes salty. PH value of 1mol/L aqueous solution is 7.0-9.0. Relative density(d425) is 1.570. Melting point is 292℃. It’s highly soluble in water (235g/100mL, 20℃; 492g/100mL, 62℃), ethanol (33g/100mL) and methanol (24.24g/100mL, 15℃), but insoluble in ether. 6、Usage: It is used as buffering agent, neutralizer, preservative and color fixative to protect natural colors of animals and plants. 7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg. 8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances. 更多
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