乙酸铵

产品名称

乙酸铵, LiChropur^™, eluent additive for LC-MS

InChI key

USFZMSVCRYTOJT-UHFFFAOYSA-N

InChI

1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3

SMILES string

N.CC(O)=O

agency

suitable for ASTM^® 7968
suitable for ASTM^® 7979
suitable for DIN 38407-42
suitable for EPA 1633
suitable for EPA 533
suitable for EPA 537.1
suitable for EPA 8327
suitable for EPA ACB B21-02
suitable for EPA ACB B23-05b
suitable for GB 31604.35-2016
suitable for GB 5009.253-2016
suitable for ISO 21675 2019
suitable for ISO 25101
suitable for ISO/CEN 15968-2010

reg. compliance

suitable for FDA C-010.02

Quality Level

100

product line

LiChropur^™

assay

≥99.0% (calc. on dry substance, T)

form

solid

quality

LiChropur^™

technique(s)

LC/MS: suitable

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: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤5 mg/kg
nitrate (NO₃^-): ≤10 mg/kg
sulfate (SO₄^2-): ≤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 A_max: ≤0.015
λ: 280 nm A_max: ≤0.010

suitability

passes test for LC-MS

application(s)

PFAS testing