설명

1.제품소개

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.응용 분야

Widely used in geology, 야금, 약, 화학 산업, 석유, 농업, 축산, 시멘트, printed circuit board, 환경 보호, 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) 기능;

◆ Advanced and reliable multiple safety protection system, automatic detection, 경보, 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, automatic dilution, high-precision sampling;

◆ Extendable: hydride system and combined function.

 

.기술적인 매개변수

광학계
파장 범위185nm-900nm
monochromatorCzerny-Turner reinforcement
Grating engraving density1800pieces /mm
Spectral bandwidthAutomatic switching of 0nm, 0.2nm, 0.4nm, 1.0nm and 2.0nm
Wavelength accuracy≤±0.1nm
Wavelength repeatability≤±0.025nm
기준선 드리프트0.003ABS/30min (static) 0.005ABS/15min (dynamic)
Resolving power

 

 

Copper lamp 324.7nm wavelength, 0.2nm bandwidth, half width 0.2nm±±0.01nm
탐지기Japan Hamamatsu photomultiplier tube
Element lamp standTurret type automatic switching light frame
Flame atomization system
검출한계(Cu)0.006μg/mL
연소기0.5mm×100mm all-titanium burner
반복성

 

 

RSD≤0.7%
atomizerMetal sleeve high efficiency glass sprayer
Atomizing chamberCorrosion-resistant all-plastic atomization chamber
Safety measureWith a variety of automatic safety protection functions
Position adjustmentThe optimal height and position of flame burner are automatically set
Graphite furnace atomization system
검출한계 (CD)1.5pg
정도 ≤3%
Heating temperature rangeRoom temperature ~3000℃
Heating and temperature control modeThe power control mode in drying ashing stage and the optical maximum power mode in atomization stage are adopted
온도 조종 정확도1%
가열 속도2000℃/S
Heating condition setting11 단계, ramp heating, ladder heating, maximum power heating, temperature monitoring and reverse measurement system
보안 보호Pressure 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
데이터 처리
Measurement methodAir-acetylene flame process, graphite furnace process
데이터 처리The linear regression method automatically fits the working curve and calculates the result automatically
Number of repeated measurements1 ~ 99 타임스, repeated measurement to calculate the average, automatically give the standard deviation and relative standard deviation
Result outputMulti-format data saving and printing
통신 인터페이스Standard RS232, USB expansion interface
Automatic sampler systemOptional 85-bit automatic sampler. Automatic configuration of standard curve, automatic dilution, high-precision sampling
Visualization systemOptional GFTV video system, graphite furnace video acquisition system
Function expansionHydride system






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