- Описание
- Расследование
Описание
1.Внедрение продукции
The LR-1452G atomic absorption spectrophotometer uses deuterium lamp background technology to provide a reliable guarantee for quantitative analysis of elements. The multi-function window design with single interface reduces the difficulty of the analyst. The graphite furnace adopts the domestic advanced GFTV visual system to realize automatic sampling.
II.Область применения
Widely used in geology, металлургия, лекарство, химическая индустрия, нефть, сельское хозяйство, animal husbandry, цемент, printed circuit board, защита окружающей среды, commodity inspection and other industries.
III.performance characteristics
◆ Four lights, six lights, eight lights optional (optional high-performance element lights), automatic three-dimensional switching, energy balance, multi-lamp preheating at the same time to save waiting time, with deuterium lamp background and self-priming button background function;
◆ Unique integrated design of flame atomizer and graphite furnace atomizer, automatic switching and manual switching dual mode;
◆ Instrument setting conditions automatically optimize memory function, one-key scan peak search, energy balance;
◆ Data report multi-format saving and printing output, convenient data query and comparison;
◆ The instrument software adopts single-interface multi-function window design, which makes the operation simpler, real-time monitoring data changes, supports mainstream Windows operating system, supports remote control and calibration, Chinese/English version is optional, and has comprehensive quality control (QC) функция;
◆ Advanced and reliable multiple safety protection system, automatic detection, тревога, such as insufficient pressure, leakage, flameout and other abnormal conditions;
◆ Domestic advanced graphite furnace GFTV visual system, CCD camera real-time monitoring of graphite furnace atomizer, extend the service life of graphite tube;
◆ Automatic sampler system can be realized, automatic configuration of standard curve, автоматическое разбавление, high-precision sampling;
◆ Extendable: hydride system and combined function.
Ⅴ.Технический параметр
Оптическая система | |
Диапазон длин волн | 185nm-900nm |
monochromator | Czerny-Turner reinforcement |
Grating engraving density | 1800pieces /mm |
Спектральная полоса пропускания | Automatic switching of 0nm, 0.2нм, 0.4нм, 1.0nm and 2.0nm |
Точность длины волны | ≤±0.1nm |
Wavelength repeatability | ≤±0.025nm |
Baseline drift | 0.003ABS/30min (статический) 0.005ABS/15min (динамичный) |
Resolving power
| Copper lamp 324.7nm wavelength, 0.2nm bandwidth, half width 0.2nm±±0.01nm |
детектор | Japan Hamamatsu photomultiplier tube |
Element lamp stand | Turret type automatic switching light frame |
Flame atomization system | |
Предел обнаружения | (Cu)0.006μg/mL |
горелка | 0.5mm×100mm all-titanium burner |
повторяемость
| RSD≤0.7% |
atomizer | Metal sleeve high efficiency glass sprayer |
Atomizing chamber | Corrosion-resistant all-plastic atomization chamber |
Safety measure | With a variety of automatic safety protection functions |
Position adjustment | The optimal height and position of flame burner are automatically set |
Graphite furnace atomization system | |
Предел обнаружения (CD) | 1.5pg |
Точность | ≤3% |
Диапазон температур нагрева | Room temperature ~3000℃ |
Heating and temperature control mode | The power control mode in drying ashing stage and the optical maximum power mode in atomization stage are adopted |
Точность контроля температуры | 1% |
Степень нагрева | 2000℃/S |
Heating condition setting | 11 шаги, ramp heating, ladder heating, maximum power heating, temperature monitoring and reverse measurement system |
Защита безопасности | Pressure system, cooling system fault protection, power monitoring |
Background correction | |
Deuterium lamp background correction | ≥60 times at 1ABS |
Self-priming background correction | ≥60 times at 1ABS |
Обработка данных | |
Measurement method | Air-acetylene flame process, graphite furnace process |
Обработка данных | The linear regression method automatically fits the working curve and calculates the result automatically |
Number of repeated measurements | 1 ~ 99 раз, repeated measurement to calculate the average, automatically give the standard deviation and relative standard deviation |
Result output | Multi-format data saving and printing |
Интерфейс связи | Standard RS232, USB expansion interface |
Automatic sampler system | Optional 85-bit automatic sampler. Automatic configuration of standard curve, автоматическое разбавление, high-precision sampling |
Visualization system | Optional GFTV video system, graphite furnace video acquisition system |
Function expansion | Hydride system |