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Figure 2-2 Schematic of FL970
2.3 Specifications
1) Light source: 150W xenon lamp
2) Wavelength range: Excitation (EX) 200nm~900nm;
Emission (EM) 200nm~900nm.
3) Spectral bandwidth: Excitation 1nm, 2.5nm, 5nm, 10nm, 20nm;
Emission 1nm, 2.5nm, 5nm, 10nm, 20nm.
4) Wavelength accuracy: Excitation wavelength ±2nm, Emission wavelength ±2nm.
5) Wavelength repeatability: Excitation wavelength ≤1nm, Emission wavelength ≤1nm.
6) Response time : Raman peak of distilled water 0~98%, about 2s
7) Signal-to-noise ratio (S/N ratio): When the excitation and fluorescence frequency bandwidth
is 10nm, Raman peak of distilled water (S/N ratio) ≥200
8) LOD: 5×10
-11
g/ml
9) Linearity of the instrument measurement results:
Υ
≥0.995
10) Repeatability of the peak values of the fluorescence spectra: ≤1.5%
11) Zero line drift within 10 minutes: ≤0.3%
12) Variety of fluorescence intensity value within 10 minutes: ≤±1.5%