MDL：
--MFCD00013066

分子式：
C2H7NO2； CH3COONH4

分子量：
77.08

別名：
醋酸銨 Acetic acid ammonium salt

產品訂購：

品名	規(guī)格	包裝	單價	貨期
乙酸銨	分子生物學級	500g	217.8元	咨詢客服
乙酸銨	for HPLC, ≥99.0%	250g	418元	咨詢客服
乙酸銨	for HPLC, ≥99.0%	50g	107.8元	現貨
乙酸銨	ACS	500g	55元	咨詢客服
乙酸銨	GR	500g	63.8元	咨詢客服
乙酸銨	CP	500g	30.8元	咨詢客服
乙酸銨	AR	500g	52.8元	現貨

性狀：
無色或白色結晶，極易潮解，易溶于水和醇。

質量標準：
   
   GB/T 1292-86
項目Item                                       優(yōu)級純       分析純      化學純
                                                (GR)         (AR)        (CP)
含量(CH3COONH4)Assay,%                        ≥98.0         98.0        97.0
水溶液反應Solution reaction                     合格         合格        合格
澄清度試驗Clarity                               合格         合格        合格
水不溶物Insoluble matter in water,%           ≤0.002        0.005       0.01
灼燒殘渣（以硫酸鹽計）Ignition residue,%      ≤0.005        0.005       0.01
水分(H2O)Water,%                              ≤2.0            --         --
氯化物(Cl)Chloride,%                          ≤0.0005       0.0005      0.001
硫酸鹽(SO4)Sulfate,%                          ≤0.001        0.002       0.005
硝酸鹽(NO3)Nitrate,%                          ≤0.001        0.001        --
磷酸鹽(PO4)Phosphate,%                        ≤0.0003       0.0005       --
鎂(Mg)Magnesium,%                             ≤0.0002       0.0004      0.001
鈣(Ca)Calcium,%                               ≤0.0005       0.001       0.002
鐵(Fe)Iron,%                                  ≤0.0002       0.0005      0.001
重金屬(以Pb計)Heavy metals,%                  ≤0.0002       0.0005      0.001
還原高錳酸鉀物質Potassium
permanganate-reducing substances              ≤0.005        0.01        0.01

項目名稱Item                                   ACS Grade
含量(CH3COONH4)Assay                           ≥97.0%
pH(5%溶液，25.0℃)pH                           6.7-7.3
水不溶物Insoluble matter                       ≤0.005%
蒸發(fā)殘渣Residue after evaporation              ≤0.01%
氯化物(Cl)Chloride(Cl)                         ≤5ppm
硝酸鹽(NO3)Nitrate                             ≤0.001%
硫酸鹽(SO4)Sulfate                             ≤0.001%
重金屬(以Pb計)Heavy metals(as Pb)              ≤5ppm
鐵(Fe)Iron(Fe)                                 ≤5ppm

品級Grade                                     色譜純  
                                            (grade for HPLC)
含量assay                                      ≥99.0% (NT)
pH                                             6.5-7.5 (20 °C, 10% in H2O)  
λ 10 % in H2O
UV absorption
  λ: 250 nm                                    ≤ 0.05
  λ: 260 nm                                    ≤ 0.04
  λ: 270 nm                                    ≤ 0.03
  λ: 280 nm                                    ≤0.02
  λ: 500 nm                                    ≤0.02
RP gradient test                               pass

品級Grade                                     分子生物學級  
                                          (for molecular biology)
外觀Appearance                                白色至類白色粉末
氯Chloride                                    ≤ 5 ppm
鐵Iron (Fe)                                   ≤5 ppm
重金屬Heavy Metals(As Lead)                   ≤5 ppm
DNAse,                                        None Detected
核酸外切酶Exonuclease Detection               None Detected
RNAse Detection                               None Detected
蛋白酶Protease by FITC-Casein                 None Detected
純度Purity                                    ≥98.0% (滴定)

貯存：
密封干燥陰涼處保存
用途  緩沖液配制，測定鉛及鐵，從其它硫酸鹽分離硫酸鉛