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| Application: | Laboratory Apparatus |
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optical system
| Wavelength range | 185nm~910nm Automatically adjust |
| Grating line density | 1800line/min |
| monochromator | Aseismic Czerny-Turner monochromator |
| The width of a spectral band | 0.1,0.2,0.4,1.0,2.0nmMultiple gears switch automatically |
| Wavelength accuracy | ±0.1nm |
| Wavelength repeatability | <=0.5nm |
| Baseline drift | Static ±0.002A/30min, dynamic ±0.006A/30min |
| Detector | Wide spectral range photomultiplier tube |
| Resolution degree of precisionratio | Able to resolve the emission peaks of manganese HCL at 279.5nm and 279.8nm. The energy at the valley between the two peaks is below 20%. |
| lampholder | 8 lampholders, Auto switch |
| Lamp power supply mode | 400Hz square-wave pulse |
| Current regulation range of the lamp | 2~10mA average electric current |
| Flame analysis method | |
| Detection limit (cu) | <0.006 ug/ml(air-acetylene) |
| Characteristics of the concentration(cu) | <0.015 ug/ml/1% |
| Combustor | 100mm full titanium burner |
| href="#/javascript:;" Degree of precision | RSD Cu<0.5%, Ba<1.0% |
| Nebulizer | Metal-covered high efficiency glass sprayer |
| Atomizing chamber | Corrosion resistant material atomizing chamber |
| Subtract background | Flame method has d2 lamp and self-absorption subtraction function |
| Security arrangement | With a variety of automatic safety protection functions,With acetylene leakage alarm, automatic shutdown system,and so on. |
| Flame free(graphite furnace) analysis method | |
| Characteristic quantity(Cd) | <0.5*(10-12)g |
| Detection limit (Cd) | <0.4*(10-12)g |
| Degree of precision | RSD<=2% |
| Heating temperature range | Indoor temperature~2800ºC |
| Heating method | Advanced vertical constant power graphite furnance heating mode |
| Way of temperature rise | ramped temperature program,stepped temperature program,Maximum power heating controlled by PID, user can set PID control curve temperature rise arbitrarily. |
| Temperature control accuracy | <1% |
| Hydride generation--atomic absorption method | |
| Measuring method | Air-acetylene flame method ,hydride generator method |
| Concentration calculation method | standard curve method, standard addition method,interpolation technique , |
| Number of repeated measurements | 1~99times,automatic calculation of average amount,content,standard deviation,relative Standard deviation |
| Print Results | Print test data or final analysis report,the results can export word worksheet. |
| Software environment | Windows XP/ windows 7 operating system,chinese professional software. |
| Measuring method | Standard addition method, interpolation method |
| Graphite furnace heating and temperature control | Using constant power heating temperature control method (non-light control temperature measurement feedback control) |
| Background correction | D2 lamp background correction greater than 30 times,Automatic absorption buckle background greater than 30 times. |
| Number of repeating measurements | 1~30 times,calculate the amount of average ,provide the standard deviation and relative standard deviation. |
| Print results | Print test data or final analysis report,the results can export word worksheet. |
| Software environment | Windows XP/ windows 7 operating system,chinese professional software. |
| Power supply | AC 220V/50HZ |
| Power | 150VA |
| Net weight of instruments | 55kg |
| Rough weight of instruments | 80kg |
| Instrument volume | 111mm(crosswise)*400mm(depth)*500mm(height) |
| Packing volume | 1350mm*(crosswise)*600mm(depth)*850mm(height) |
| Operating ambient temperature | 10~35ºC |
| Working environment humidity | <=80% |
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