性状：无色透明液体。为氨的水溶液。氨含量越多，密度越小。易挥发逸出氨气，有强烈的刺激性气味。能与乙醇混溶。呈强碱性。能从空气中吸收二氧化碳。与硫酸或其 他强酸反应时放出热。与挥发性酸放在近处能形成烟雾。密度约0.88g/ml(20℃)。中等毒，半数致死量(大鼠，经口)350mg/kg。有腐蚀性。 催泪性。
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
GB/T 631-89
项目Item 分析纯 (AR) 化学纯 (CP)
含量(NH3)Assay,% 25-28 25-28
蒸发残渣Evaporation residue,% ≤ 0.002 0.004
氯化物(Cl)Chloride,% ≤ 0.00005 0.0001
硫化物(S)Sulfide,% ≤ 0.00002 0.00005
硫酸盐(SO4)Sulfate,% ≤ 0.0002 0.0005
磷酸盐(PO4)Phosphate,% ≤ 0.0001 0.0002
碳酸盐(以CO2计)Carbonate,% ≤ 0.001 0.002
镁(Mg)Magnesium,% ≤ 0.0001 0.0005
钙(Ca)Calcium,% ≤ 0.0001 0.0005
铁(Fe)Iron,% ≤ 0.00002 0.00005
钠(Na)Sodium,% ≤ 0.0005 --
钾(K)Potassium,% ≤ 0.001 --
铜(Cu))Copper,% ≤ 0.00001 0.00005
铅(Pb)Lead,% ≤ 0.00005 0.0001
还原高锰酸钾物质（以O计),% ≤ 0.0008 0.0008�
Potassium permanganate reducing
substances
协 118-97
项目Item 优级纯 (GR)
含量(NH3)Assay,% 25-28
蒸发残渣Evaporation residue,% ≤ 0.002
氯化物(Cl)Chloride,% ≤ 0.00005
硫化物(S)Sulfide,% ≤ 0.00002
硫酸盐(SO4)Sulfate,% ≤ 0.0001
磷酸盐(PO4)Phosphate,% ≤ 0.00005
碳酸盐(以CO2计)Carbonate,% ≤ 0.001
镁(Mg)Magnesium,% ≤ 0.0001
钙(Ca)Calcium,% ≤ 0.0001
铁(Fe)Iron,% ≤ 0.00001
钠(Na)Sodium,% ≤ 0.0001
钾(K)Potassium,% ≤ 0.0001
铜(Cu))Copper,% ≤ 0.000005
铅(Pb)Lead,% ≤ 0.00001
还原高锰酸钾物质（以O计),% ≤ 0.0008
Potassium permanganate reducing
substances
项目名称Item ACS Grade
含量(以NH3计)Assay ≥20.0-30.0%
氯化物(Cl)Chloride(Cl) ≤0.5ppm
磷酸盐(PO4)Phosphate ≤2ppm
硫酸盐(SO4)Sulfate ≤2ppm
汞（Hg)Mercurous（Hg) ≤1ppb
铝(Al)Aluminum(Al) ≤1ppb
钡(Ba)Barium(Ba) ≤1ppb
硼(B)Boron(B) ≤5ppb
镉(Cd)Cadmium(Cd) ≤1ppb
钙(Ca)Calcium(Ca) ≤1ppb
铬(Cr)Chromium(Cr) ≤1ppb
钴(Co)Cobalt(Co) ≤1ppb
铜(Cu)Copper(Cu) ≤1ppb
铁(FeIron(Fe) ≤5ppb
铅(PbLead(Pb) ≤1ppb
锂(Li)Lithium(Li) ≤1ppb
镁(Mg)Magnesium(Mg) ≤1ppb
锰(Mn)Manganese(Mn) ≤1ppb
钼(Mo)Molybdenum(Mo) ≤1ppb
钾(K)Potassium(K) ≤1ppb
硅(Si)Silicon(Si) ≤5ppb
钠(Na)Sodium(Na) ≤5ppb
锶(Sr)Strontium(Sr) ≤1ppb
锡(Sn)Tin(Sn) ≤1ppb
钛(Ti)Titanium(Ti) ≤1ppb
钒(V)Vanadium(V) ≤1ppb
锌(Zn)Zinc(Zn) ≤1ppb
锆(Zr)Zirconium(Zr) ≤1ppb
项目名称Item 电子级
含量(以NH3计)Assay ≥20.0-30.0%
氯化物(Cl)Chloride(Cl) ≤0.5ppm
磷酸盐(PO4)Phosphate ≤2ppm
硫酸盐(SO4)Sulfate ≤2ppm
汞（Hg)Mercurous（Hg) ≤1ppb
铝(Al)Aluminum(Al) ≤1ppb
钡(Ba)Barium(Ba) ≤1ppb
硼(B)Boron(B) ≤5ppb
镉(Cd)Cadmium(Cd) ≤1ppb
钙(Ca)Calcium(Ca) ≤1ppb
铬(Cr)Chromium(Cr) ≤1ppb
钴(Co)Cobalt(Co) ≤1ppb
铜(Cu)Copper(Cu) ≤1ppb
铁(FeIron(Fe) ≤5ppb
铅(PbLead(Pb) ≤1ppb
锂(Li)Lithium(Li) ≤1ppb
镁(Mg)Magnesium(Mg) ≤1ppb
锰(Mn)Manganese(Mn) ≤1ppb
钼(Mo)Molybdenum(Mo) ≤1ppb
钾(K)Potassium(K) ≤1ppb
硅(Si)Silicon(Si) ≤5ppb
钠(Na)Sodium(Na) ≤5ppb
锶(Sr)Strontium(Sr) ≤1ppb
锡(Sn)Tin(Sn) ≤1ppb
钛(Ti)Titanium(Ti) ≤1ppb
钒(V)Vanadium(V) ≤1ppb
锌(Zn)Zinc(Zn) ≤1ppb
锆(Zr)Zirconium(Zr) ≤1ppb
品级Grade LC-MS级 (eluent additive for LC-MS )
外观Appearance 无色液体
红外光谱鉴别Infrared spectrometry Conforms
浓度concentration ≥25% in H2O
蒸发残渣evaporation residue ≤0.001%
氯chloride (Cl-): ≤0.2 ppm
磷酸盐phosphate (PO43-): ≤0.2 ppm
硫酸根sulfate (SO42-): ≤1 ppm
cation traces by ICP-MS
Ag: ≤0.01 ppm
As, Sb (as As): ≤0.01 ppm
Au: ≤0.01 ppm
B: ≤0.01 ppm
Ba: ≤0.01 ppm
Be: ≤0.01 ppm
Bi: ≤0.01 ppm
Ca: ≤0.01 ppm
Cd: ≤0.01 ppm
Co: ≤0.01 ppm
Cr: ≤0.01 ppm
Cu: ≤0.01 ppm
Fe: ≤0.01 ppm
Ga: ≤0.01 ppm
Ge: ≤0.01 ppm
In: ≤0.01 ppm
K ≤0.01 ppm
Li: ≤0.01 ppm
Mg: ≤0.01 ppm
Mn: ≤0.01 ppm
Mo: ≤0.01 ppm
Na: ≤0.01 ppm
Ni: ≤0.01 ppm
Pb: ≤0.01 ppm
Pt: ≤0.01 ppm
Sn: ≤0.01 ppm
Sr: ≤0.01 ppm
Ti: ≤0.01 ppm
Tl: ≤0.01 ppm
V: ≤0.01 ppm
Zn: ≤0.01 ppm
Zr: ≤0.01 ppm
suitability in accordance for LC-MS
28% in H2O, ≥99.999% trace metals basis ：
<, SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ’Times New Roman’; mso-hansi-font-family: ’Times New Roman’">外观Appearance Clear Colorless Liquid
氨NH3 28.0 - 30.0 % （Titration by HCL）
痕量金属分析Trace Metal Analysis ≤20.0 ppm
纯度Purity ≥99.999% Based On Trace Metals Analysis
浓度concentration ≥28% NH3 in H2O (T)
anion traces
bromide (Br-): ≤0.05 ppm
carbonate (CO2): ≤10 ppm
chloride (Cl-): ≤0.5 ppm
fluoride (F-): ≤0.1 ppm
iodide (I-): ≤0.05 ppm
nitrate (NO3-): ≤0.5 ppm
nitrite (NO2-): ≤0.1 ppm
phosphate (PO43-): ≤0.05 ppm
sulfate (SO42-): ≤0.1 ppm
cation traces by ICP-MS
Ag: ≤0.01 ppb
Al: ≤0.2 ppb
As: ≤0.5 ppb
Au: ≤0.01 ppb
Ba: ≤0.01 ppb
Be: ≤0.01 ppb
Bi: ≤0.01 ppb
Ca: ≤1 ppb
Cd: ≤0.01 ppb
Ce: ≤0.01 ppb
Co: ≤0.01 ppb
Cr: ≤0.05 ppb
Cs: ≤0.01 ppb
Cu: ≤0.5 ppb
Dy: ≤0.01 ppb
Er: ≤0.01 ppb
Eu: ≤0.01 ppb
Fe: ≤0.5 ppb
Ga: ≤0.01 ppb
Gd: ≤0.01 ppb
Ge: ≤0.05 ppb
Hf: ≤0.01 ppb
Hg: ≤0.5 ppb
Ho: ≤0.01 ppb
In: ≤0.01 ppb
Ir: ≤0.01 ppb
K: ≤1 ppb
La: ≤0.01 ppb
Li: ≤0.01 ppb
Lu: ≤0.01 ppb
Mg: ≤0.1 ppb
Mn: ≤0.1 ppb
Mo: ≤0.05 ppb
Na: ≤1 ppb
Nd: ≤0.01 ppb
Ni: ≤0.1 ppb
Pb: ≤0.02 ppb
Pd: ≤0.01 ppb
Pr: ≤0.01 ppb
Pt: ≤0.01 ppb
Rb: ≤0.01 ppb
Re: ≤0.01 ppb
Rh: ≤0.01 ppb
Ru: ≤0.01 ppb
Sb: ≤0.1 ppb
Sm: ≤0.01 ppb
Sn: ≤0.1 ppb
Sr: ≤0.01 ppb
Tb: ≤0.01 ppb
Te: ≤0.01 ppb
Th: ≤0.01 ppb
Ti: ≤0.05 ppb
Tl: ≤0.01 ppb
Tm: ≤0.01 ppb
U: ≤0.01 ppb
V: ≤0.05 ppb
W: ≤0.01 ppb
Y: ≤0.01 ppb
Yb: ≤0.01 ppb
Zn: ≤0.5 ppb
Zr: ≤0.01 ppb
贮存：密封阴凉保存。
用途：分析试剂，中和剂，生物碱浸出剂。用于某些元素（如铜、镍）的检定和测定。用以沉淀出各种元素的氢氧化物。制备铵化合物，洗涤剂，比色测定。
联合国编号：2672
Risk：R34- R50-
Safety : S26- S36/37/39- S45- S61-
Hazard : C - N -
