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柠檬酸氢二铵

柠檬酸氢二铵

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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