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柠檬酸氢二铵 | 江苏科伦多食品配料有限公司-龙八国际官方网站入口

产品描述/ product description

一、化学名:柠檬酸氢二铵,枸橼酸氢二铵

二、分子式:c6h14n2o7

三、分子量:226.192

四、cas3012-65-5

五、性能:无色细小结晶或白色颗粒。密度为1.48g/ml,熔点185 ºc,沸点100ºc,溶于水,微溶于乙醇。

六、用途:分析试剂,如作配合萃取剂、配合掩蔽剂、缓冲剂。

七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋包装,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 fcc vii hg/t3497-2000
分析纯 化学纯
含量(以干基计),w/%        ≥ content (on dry basis),w/%    ≥ 98.0 99.0 98.0
氯化物(以cl计),mg/kg      ≤ chloride (cl),mg/kg          ≤ 10 10 20
铁(fe),mg/kg              ≤ iron (fe),mg/kg              ≤ 10 5 10
铅(pb),mg/kg              ≤ lead (pb),mg/kg             ≤ 2 ——— ———
ph(50g/l溶液,25℃) ph (50g/l solution,25℃) 4.5-5.5 ——— ———
水不溶物,w/%              ≤ water insoluble,w/%          ≤ ——— 0.005 0.01
灼烧残渣(以硫酸盐计),w/%  ≤ ignition residue (as so4),w/%   ——— 0.03 0.06
硫化合物(以so4计),w/%    ≤ sulfur compound(as so4),w/%      0.005 0.005 0.01
磷化合物(以po4计),w/%    ≤ phosphorus compound(as po4),w/% ——— 0.002 0.005
草酸盐(c2o4),w/%          ≤ oxalate(c2o4),w/%           ≤ ——— 合格
钙(ca),w/%               ≤ calcium (ca),w/%            ≤ ——— 0.005 0.02
澄清度试验 clarity test ——— 合格 合格

1 chemical name: ammonium citrate dibasic

2molecular formula: c6h14n2o7

3molecular weight: 226.192

4cas: 3012-65-5

5character: colorless fine crystalline or white particles. density 1.48g/ml. melting point185 °c, boiling point100 °c. soluble in water and soluble in alcohol slightiy.

6usage: analytical reagent, synergetic solvent extraction reagent, masking reagent, buffering reagent.

7packing: 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.

8storage & transportation: 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.

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