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Ammonium citrate tribasic

Cas:
3458-72-8
Molecular Structure:
MDL:
--MFCD00036406
Molecular Formula:
C6H17N3O7;(NH4)3C6H5O7
Molecular Weight:
243.21
Alias:
柠檬酸三铵,柠檬三铵,枸橼酸铵 Triammonium citrate
Product order:
Name Specifications Packing Price Delivery
Ammonium citrate tribasic GR 500g RMB 74.8 Consulting service
Ammonium citrate tribasic CP 500g RMB 50.6 Consulting service
Ammonium citrate tribasic AR 500g RMB 63.8 Consulting service
Character:
白色粉末。易吸湿。易溶于水和酸,不溶于乙醇、乙醚和丙酮。熔点185℃(分解)。有刺激性。
Quality Standard:
 
   Q/(HG)SJ 031-91
项目Item                                                      分析纯   化学纯
                                                               (AR)    (CP)
含量(C6H17N3O7)Assay,%                                       ≥ 98.5   98.0
灼烧残渣(以硫酸盐计)Ignition residue,%                       ≤ 0.03   0.06
水不溶物Insoluble matter in water,%                          ≤ 0.005  0.01
氯化物(Cl)Chloride,%                                         ≤ 0.003  0.005
硫酸盐(SO4)Sulfate,%                                        ≤ 0.005  0.01
磷酸盐(PO4)Phosphate,%                                       ≤ 0.002  0.005
草酸盐(C2O4Oxalate                                              合格   合格
钙(Ca)Calcium,%                                              ≤ 0.01   0.02
铁(Fe)Iron,%                                                 ≤ 0.001  0.002
重金属(以Pb计)Heavy metals,%                                 ≤ 0.002  0.01
硫酸试验Substances darkened by sulfuric acid                    合格   合格
Storage:
密封干燥保存。
用途  其水溶液可测定磷酸盐及肥料中有效磷酸。用作络合剂。
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