4.013465
Ammonium acetate
for HPLC
CH3COONH4 M.=77.08
CAS No. 631-61-8
Guarantee analysis
Assay (acidimetric) ≥ 98.0%
pH of 5% solution 6.7 ~ 7.3
Water (H2O) ≤ 2.0%
Insoluble matter in H2O ≤ 0.005%
Chloride (Cl) ≤ 0.0005%
Nitrate (NO3) ≤ 0.001%
Sulphate (SO4) ≤ 0.001%
UV absorption (10% in H2O)
λ 250 nm max 0.05
λ 260 nm max 0.04
λ 270 nm max 0.03
λ 280 nm &
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