MDL：
--MFCD00013066

Molecular Formula：
C2H7NO2； CH3COONH4

Molecular Weight：
77.08

Alias：
醋酸銨 Acetic acid ammonium salt

Product order：

Name	Specifications	Packing	Price	Delivery
Ammonium acetate	分子生物學(xué)級	500g	RMB 217.8	Consulting service
Ammonium acetate	for HPLC, ≥99.0%	250g	RMB 418	Consulting service
Ammonium acetate	for HPLC, ≥99.0%	50g	RMB 107.8	現(xiàn)貨
Ammonium acetate	ACS	500g	RMB 55	Consulting service
Ammonium acetate	GR	500g	RMB 63.8	Consulting service
Ammonium acetate	CP	500g	RMB 30.8	Consulting service
Ammonium acetate	AR	500g	RMB 52.8	現(xiàn)貨

Character：
無色或白色結(jié)晶，極易潮解，易溶于水和醇。

Quality Standard：
   
   GB/T 1292-86
項目Item                                       優(yōu)級純       分析純      化學(xué)純
                                                (GR)         (AR)        (CP)
含量(CH3COONH4)Assay,%                        ≥98.0         98.0        97.0
水溶液反應(yīng)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(zhì)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(xué)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)

Storage：
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