AMMONIUM ACETATE

Xem hình lớn Code:73594 Code: 73594 Đóng gói: 25g-F, 100g-F Hãng sản xuất: Sigma-Aldrich

Ammonium acetate

for mass spectrometry, eluent additive for LC-MS

• CAS Number 631-61-8

• Linear Formula CH₃CO₂NH₄

• Molecular Weight 77.08

•  Beilstein Registry Number 4186741

•  EC Number 211-162-9

•  MDL number MFCD00013066

•  PubChem Substance ID 24886586

•  eCl@ss 39021908

• Properties

  Related Categories	Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, LC-MS Mobile Phase Additives, LC-MS Solvents & Reagents (CHROMASOLV), Mass Spectrometry (MS), Reagents for Mass Spectrometry (MS), Spectroscopy
  grade	eluent additive for LC-MS
  	for mass spectrometry
  assay	≥99.0% (calc. on dry substance, T)
  form	solid
  impurities	insoluble matter, passes filter test
  	≤1% water
  ign. residue	≤0.01% (as SO4)
  pH	6.2-7.5 (25 °C, 1 M in H2O)
  mp	110-112 °C (dec.)(lit.)
  solubility	H2O: soluble1 M at 20 °C, clear, colorless
  anion traces	chloride (Cl-): ≤5 mg/kg
  	nitrate (NO3-): ≤10 mg/kg
  	sulfate (SO42-): ≤10 mg/kg
  cation traces	Al: ≤1 mg/kg
  	As: ≤0.1 mg/kg
  	Ba: ≤1 mg/kg
  	Bi: ≤1 mg/kg
  	Ca: ≤5 mg/kg
  	Cd: ≤1 mg/kg
  	Co: ≤1 mg/kg
  	Cr: ≤1 mg/kg
  	Cu: ≤1 mg/kg
  	Fe: ≤1 mg/kg
  	K: ≤5 mg/kg
  	Li: ≤1 mg/kg
  	Mg: ≤1 mg/kg
  	Mn: ≤1 mg/kg
  	Mo: ≤1 mg/kg
  	Na: ≤5 mg/kg
  	Ni: ≤1 mg/kg
  	Pb: ≤1 mg/kg
  	Sr: ≤1 mg/kg
  	Zn: ≤1 mg/kg
  λ	1 M in H2O
  UV absorption	λ: 260 nm Amax: ≤0.015
  	λ: 280 nm Amax: ≤0.010
  suitability	passes test for LC-MS Safety Information Personal Protective Equipment  Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter RIDADR  UN 3077 9 / PGIII WGK Germany  1 RTECS  AF3675000