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首页 > 供应产品 > 磷酸二氢铵
磷酸二氢铵
品牌: 磷酸二氢铵
型号: 7722-76-1
规格: 25kg/袋
单价: 4100.00元/吨
最小起订量:
供货总量:
发货期限: 自买家付款之日起 2 天内发货
有效期至: 长期有效
最后更新: 2012-04-11 09:09
 
详细信息
磷酸二氢铵
Ammonium phosphate monobasic
Cas     7722-76-1      MDL:     --MFCD00003396
Beilstein         EINECS:        --231-764-5
分子式    H6NO4P NH4H2PO4
分子量    115.03
别名       一盐基磷酸铵,磷酸一铵
Ammonium dihydrogenphosphate
Mono-ammonium phosphate
prim-Ammonium phosphate
Ammonium biphosphate
Primary ammonium phosphate
Ammonium acid phosphate
分子结构式   
性状       白色结晶性粉末。在空气中稳定,呈现酸性反应。能溶于水,微溶于乙醇,不溶于酮。
备注:      以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准      
      HG/T 3-1064-84
项目Item                                             分析纯        化学纯
                                                      (AR)         (CP)
含量[NH4H2PO4Assay,%                              99.0        98.5
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      0.001
硫化合物(SO4)Sulfur禁发网址pounds                    0.005       0.01
硝酸盐(NO3)Nitrate,%                                 0.001       0.002
(Fe)Iron,%                                         0.001       0.003
(As),Arsenic,%                                    0.0005      0.002
重金属(Pb)Heavy metals,%                         0.0005      0.001
碱金属(以磷酸盐计)Alkali metals,%                    0.2         0.3
 
ACS
项目名称Item                                        ACS Grade
含量NH4H2PO4Assay                                    98.0%
pH(5%溶液,25.0)pH                                  3.8-4.4
水不溶物Insoluble matter                             0.005%
氯化物(Cl)Chloride(Cl)                               5ppm
硝酸盐(NO3)Nitrate                                   0.001%
硫酸盐(SO4)Sulfate                                   0.01%
重金属(Pb)Heavy metals(as Pb)                    5ppm
(Fe)Iron(Fe)                                       0.001%
(Ca)Calcium(Ca)                                    0.001%
(Mg)Magnesium(Mg)                                  5ppm
(K)Potassium(K)                                    0.005%
(Na)Sodium(Na)                                     0.005%
 
品级Grade                               植物细胞培养级,≥99.0% (T)  
                                     (for plant cell culture,≥99.0% (T))
外观Appearance                          白色粉末
纯度Purity                              99.0% (T) 
水溶解试验solubility in water           clear colorless 20g plus 200ml of water
植物细胞培养测试plant cell culture test pass
 
99.99% metals basis
外观Appearance                          白色结晶
纯度Purity                              99.99% Based on Trace Metals Impurities of ICP
滴定纯度Purity                          99.0 % (Titration by NaOH)
ICP:                                     Confirms Phosphorus禁发网址ponent Confirmed
痕量金属分析Trace Metal Analysis        100ppm by ICP Atomic emission
(FeMgNa) 
不溶物Insoluble matter: (10%, H2O)      0.005 %
Chloride (Cl)                         5 ppm
Iron (Fe)                             0.001 %
重金属Heavy Metal (as Pb)               5 ppm
Potassium (K)                         0.005 %
Sodium (Na)                           0.005 %
硝酸根Nitrate (NO3)                     0.001 %
pH @ 25 Deg C (5% Solution)             3.8 - 4.4
硫酸根Sulfate (SO4)                     0.01 %
Calcium (Ca)                          0.001 %
Magnesium (Mg)                        0.0005 %
 
分析标准品:
含量assay                             99.5% (T)
总杂质total impurities                12.18%±0.10% total Kjeldahl nitrogen
干燥损失loss on drying                0.2%
pH                                    3.8-4.4 (25 °C, 50 mg/mL in H2O)
水溶性solubility H2O:                 soluble, clear, colorless
 
品级Grade                               色谱纯  
                                   (grade for HPLC)
外观Appearance                          白色粉末或结晶
纯度Purity                              99.0% (T)
pH                                      4.0-5.0 (20 °C, 10% in H2O)
水溶性solubility H2O:                   soluble0.1 g/mL at 25 °C, clear, colorless
λ 10 % in H2O
紫外吸光值UV absorption
 λ: 210 nm A:                         0.05
 λ: 220 nm A:                         0.04
 λ: 230 nm A:                         0.03
 λ: 240 nm A:                         0.02
 λ: 500 nm A:                         0.02
RP gradient test                       corresponds to standard
filter test                            corresponds to standard 
贮存       密封保存。
用途       制备缓冲剂和培养基,制作磷酸盐、荧光粉、木材、纸张、织物的阻燃剂、干粉灭火剂。
分析标准品用于用于凯氏定氮法测氮,第一次开封使用后,建议充氩或充氮保存。
联合国编号   
Risk    R11- R20/21/22-
Safety :  S24/25-
Hazard : Xn - F - C -

磷酸二氢铵           规格:98.5%   产地:/       包装:25kg/袋    价格:4100元/吨   Cas号:7722-76-1
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