Model | Z-2000 | Z-2300 | Z-2700 |
Analytical method | Flame/Graphite furnace | Flame | Graphite furnace |
| Measurement mode | Atomic absorption and flame phtometry | Atomic absorption spectrometry |
| Optics | Double-beam method (Polarized Zeeman method) |
| Background correction | Polarized Zeeman method |
Monochromator |
Mount/diffraction grating | Czerny-Turner mount, 1800 Lines/mm, Blazed at 200 nm |
Wavelength range, setting | 190 to 900 nm, Automatic spectral peak setting |
Focal length, reciprocal dispersion | 400 mm, 1.3 nm/mm |
| Slit width | 4 steps ( 0.2, 0.4, 1.3, 2.6 nm) |
| Detector | Photomultiplier 2pieces |
Light source |
Number of lamps | 8 Lamps (turret), 2 Lamps simultaneous lighting |
Lamp position control | Automatic position setting, fine adjustment function |
Flame part |
Zeeman-effect magnet | 0.9 Tesla permanent magnet | - |
Burner | Pre-mixed fish-tail type | - |
| Ignition method | Pilot flame automatic ignition | - |
| Combustion condition setting | Automatic flow rate setting of combustion gas | - |
Safety monitoring function | Optical flame monitoring, flame sensor error detection, fuel/auxiliary gas pressure monitoring, drain liquid level monitoring, cooling water flow monitoring, flash-back shock absorption, safety flame extinguishing at power failure (buffer tank method), N2O select safety mechanism, etc. | - |
Graphite furnace part |
Zeeman-effect magnet | 1.0 Tesla permanent magnet | - | 1.0 Tesla permanent magnet |
Temperature control | 50 to 2,800°C, over current protection | 50 to 2,800°C, over current protection |
Heating current control | Optical temperature control, constant current control | Optical temperature control, constant current control |
| Gas flow rate control | Sheath gas: Ar gas, 3 L/min. Carrier gas: Ar gas 0, 10, 30, 200 mL/min.(4 steps) | Sheath gas: Ar gas, 3 L/min. Carrier gas: Ar gas 0, 10, 30, 200 mL/min.(4 steps) |
Safety monitoring control | Ar gas pressure monitoring, cooling water flow monitoring, furnace temperature monitoring | Ar gas pressure monitoring, cooling water flow monitoring, furnace temperature monitoring |
Graphite furnace autosampler |
Number of sample containers | 60 pcs (1.5 mL container), 96-well micro plate [option] | - | 60 pcs (1.5 mL container), 96-well micro plate [option] |
Modifier container | 5 pcs(25 mL container) | 5 pcs(25 mL container) |
Sample injection volume | 1 to 100 μL | 1 to 100 μL |
Sample injection reproducibility | RSD 1% or less (5 to 100μL) | RSD 1% or less (5 to 100μL) |
Sample injection speed | Selectable in 5 steps | Selectable in 5 steps |
Rinse solution discharge | 1 mL | 1 mL |
| Applicable solvents | Aqueous solution, ethanol, methanol, acetone, MIBK | Aqueous solution, ethanol, methanol, acetone, MIBK |
| Carry-over | 10-5 or less (for standard aqueous solution sample) | 10-5 or less (for standard aqueous solution sample) |
| Heating injection function | Yes | Yes |
| Number of nozzle washing | 5 times | 5 times |
| Sample condensation (in furnace) | 1 to 25 times | 1 to 25 times |
| Sample dilution (in furnace) | 1 to 10 times | 1 to 10 times |
Data processing |
Signal measurement method | Integration, peak height, peak area, peak width |
Signal type | Zeeman AA, sample, reference, emission intensity |
Calibration curve | Standard sample: Up to 10 points, Calibration curve preparation: Least-squares method and Newton method, Approximation function: 3 kinds, Sensitivity correction function, standard addition method, simple standard addition method |
Data processing | Calculation mode, peak width cut-off height designation, removal/restoration/replacement of measurement result, change of order number of calibration curve, sample blank processing, zero correction of calibration curve, baseline correction, statistical calculation (mean value, standard deviation, relative standard deviation, correlation coefficient), detection limit |
| Quality Control function | Sample check (detection limit, reproducibility), STD check, Quality Control sample check, calibration curve check, recovery check |
| Parameter/data saving | Measurement result and measurement signal, reference signal, instrument status/error information, etc. |
Dimensions (mm)/ weight | 1,100(W)x~ 630(D)x~ 700(H)/189 kg | 750(W)x~ 630(D)x~ 700(H)/106 kg | 750(W)x~ 630(D)x~ 700(H)/139 kg |
Power | 220/230/240 V, 6 kVA, 50/60 Hz | 115/220/230/240 V, 0.2 kVA, 50/60 Hz | 220/230/240 V, 6kVA, 50/60 Hz |
