A3 Spectrometer for atomic absorption

Specifications:

Wavelength range: 190-900nm

Wavelength accuracy: ±0.15nm

Wavelength reproducibility: ≤0.05nm

Spectral bandwidth: 0.1nm,0.2 nm,0.5 nm,1.0 nm,2.0 nm

Resolution: <30%

Baseline stability: ±0.002Abs (static);

±0.006Abs(dynamic)

Background correction: >55 times or 1Abs

(D2 lamp, self reversal)

Specifications:

Character concentration:

Cu<0.02μg/mL/1% (air-acetylene, air-LPG)

Ba<0.15μg/mL/1% (N2O-acetylene)

Character value: Cu<2.0X〖10¯〗^11g; Cd<3.0X〖10¯〗^13g

Detection limit: Cu<0.004μg/mL (flame);

Cd<4.0X〖10¯〗^13g (graphite)

Sensitivity: ≥0.250Abs (flame); ≥0.08Abs(graphite)