Basic Technical Criteria (1) Wavelength range: 190-600nm (2) Wavelength indicated value error: from -2nm to +2nm (3) Wavelength repetitiveness: better than 2nm (4) Spectral bandwidth: 8nm (5) Baseline noise: no more than 5 × 10-5AU(C18 chromatographic column, methanol1mL/min,254nm) (6) Baseline drift: no more than 1 × 10-3AU/h (C18 chromatographic column, methanol1mL/min,254nm, after the instrument runs stably) (7) Minimum detectable concentration: no more than 2 × 10-8 g/ml(naphthalene/methanol solution) (8) Linear range: more than 103 (9) Time constant of filtration (second): 0.1 0.2 0.5 1 2 (10) Physical dimension: 450 mm ×300 mm ×160 mm (length×width×height) (11) Weight: 12kg (12) Power supply: AC(220±22)V; frequency (50±0.5)Hz; or AC (110±11) V and (60±0.5) Hz (in need of switching start/stop)
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