MDL：
--MFCD00010891

Molecular Formula：
H9N2O4P；(NH4)2HPO4

Molecular Weight：
132.06

Alias：
二鹽基磷酸銨,磷酸二銨 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：
白色結(jié)晶性粉末。無氣味，具咸涼味。置空氣中可失去8%氨。能溶于水，不溶于乙醇和丙酮。
  

Quality Standard：
 
   HG/T 3-1063-84
項目Item                                              分析純         化學(xué)純
                                                       (AR)           (CP)
含量((NH4)2HPO4)Assay,%                                ≥98.5         98.0
水溶液反應(yīng)Solution reaction                             合格          合格
澄清度試驗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計)Sulfur compounds                      ≤0.005        0.01
硝酸鹽(NO3)Nitrate,%                                   ≤0.0005       0.001
鐵(Fe)Iron,%                                           ≤0.0005       0.002
砷(As)Arsenic,%                                        ≤0.0005       0.002
重金屬(以Pb計)Heavy metals,%                           ≤0.0005       0.001
堿金屬(以磷酸鹽計)Alkali metals,%                      ≤0.1          0.2

ACS級
項目名稱 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%
硝酸鹽(NO3)Nitrate                                     ≤0.003%
硫酸鹽(SO4)Sulfate                                     ≤0.01%
重金屬(以Pb計)Heavy metals(as Pb)                      ≤0.001%
鐵(Fe)Iron(Fe)                                         ≤0.001%
鈣(Ca)Calcium(Ca)                                      ≤0.001%
鎂(Mg)Magnesium(Mg)                                    ≤0.001%
鉀(K)Potassium(K)                                      ≤0.005%
鈉(Na)Sodium(Na)                                       ≤0.005%

Storage：
密封陰涼處保存。
用途  配制緩沖液和培養(yǎng)基，腐蝕抑制劑，沉淀鎂、銻、鎳、鈉等。高壓汞燈及熒光粉用原料。