Ammonium phosphatedi basic

MDL：
--MFCD00010891

Molecular Formula：
H9N2O4P；(NH4)2HPO4

Molecular Weight：
132.06

Alias：
二盐基磷酸铵,磷酸二铵 Secondary ammonium phosphate Diammonium hydrogen phosphate Diammonium phosphate,Fryex

Product order：

Name	Specifications	Packing	Price	Delivery
Ammonium phosphatedi basic	ACS	500g	RMB 96.8	Consulting service
Ammonium phosphatedi basic	SP	25g	RMB 107.8	Consulting service
Ammonium phosphatedi basic	CP	500g	RMB 38.5	Consulting service
Ammonium phosphatedi basic	AR	500g	RMB 41.8	Consulting service

Character：
白色结晶性粉末。无气味，具咸凉味。置空气中可失去8%氨。能溶于水，不溶于乙醇和丙酮。
  

Quality Standard：
 
   HG/T 3-1063-84
项目Item                                              分析纯         化学纯
                                                       (AR)           (CP)
含量((NH4)2HPO4)Assay,%                                ≥98.5         98.0
水溶液反应Solution reaction                             合格          合格
澄清度试验Clarity                                       合格          合格
水不溶物Insoluble matter in water,%                    ≤0.005        0.01
氯化物(Cl)Chloride,%                                   ≤0.0005       0.004
硫化合物(以SO4计)Sulfur compounds                      ≤0.005        0.01
硝酸盐(NO3)Nitrate,%                                   ≤0.0005       0.001
铁(Fe)Iron,%                                           ≤0.0005       0.002
砷(As)Arsenic,%                                        ≤0.0005       0.002
重金属(以Pb计)Heavy metals,%                           ≤0.0005       0.001
碱金属(以磷酸盐计)Alkali metals,%                      ≤0.1          0.2

ACS级
项目名称 Item                                         ACS Grade
含量[(NH4)2HPO4]Assay                                  ≥98.0%
pH(5%溶液,25.0℃)pH                                    7.7-8.1
水不溶物Insoluble matter                               ≤0.001%
氯化物(Cl)Chloride(Cl)                                 ≤0.001%
硝酸盐(NO3)Nitrate                                     ≤0.003%
硫酸盐(SO4)Sulfate                                     ≤0.01%
重金属(以Pb计)Heavy metals(as Pb)                      ≤0.001%
铁(Fe)Iron(Fe)                                         ≤0.001%
钙(Ca)Calcium(Ca)                                      ≤0.001%
镁(Mg)Magnesium(Mg)                                    ≤0.001%
钾(K)Potassium(K)                                      ≤0.005%
钠(Na)Sodium(Na)                                       ≤0.005%

Storage：
密封阴凉处保存。
用途  配制缓冲液和培养基，腐蚀抑制剂，沉淀镁、锑、镍、钠等。高压汞灯及荧光粉用原料。