AAS PLUS Series manufactured by Motras Scientific India
The AAS PLUS series Atomic Absorption Spectrophotometers can be configured to meet a wide range of applications. We can build the smallest integrated dual atomizer system or Duo spectrometer system by adding flame analysis system with high analytical performance and safety, and a furnace analysis system with simplicity and high performance. It is possible to analyze various samples at a wide range of concentrations using flexible instrument accessory configurations. In addition, software supports safe and secure data management.
AAS PLUS ATOMIC ABSORPTION SPECTROPHOTOMETER FLAME & FURNACE ATOMIZER
INTEGRATED DUAL ATOMIZER
AAS Plus series is fully automated and PC controlled atomic absorption MS AAS Plus is fully automated PC Controlled atomic absorption spectrophotometer with flame & Integrated Furnace, hydride system. The system compromises of automatic independent 8 lamp HCL turret and automatic variable spectral bandpass.
The system uses state-of-art, ultra-fast lamp modulation up to 1024 Hertz for D2 and 512Hz for Hollow Cathode Lamps, coupled with Hamamatsu Photomultiplier tube, true double beam optics and Deuterium lamp background correction results into extreme stable and reproducible results.
The AAS Plus can work in absorbance, emission and molecular modes with AABGC using ultra-fast modulation of 1024Hz
System supports fast sequential analyses for simultaneous elements in flame mode.
General Specification
Features
- Real Time true double beam spectrophotometer
- Monochrometer with working wavelength range from 185.0 to 900nm
- Dual frequency simultaneous photometric system.
- Ultra-fast modulation up to 1024 Hz for D2 and HCL
- High energy transmission with fiber optics light transmission double beam optics
- Sensitivity > 0.95 ABS for 5.0 mg/L copper solution with RSD <0.5%
- Detection limit Cu < 0.004ug/ml
- Automatic EHT optimization & selection
Dual background correction. Deuterium arc & self reversal, Optional -Zeeman
Monochromator
- Czerny Turner type design with precision motorized drive for wavelength selection
- Double beam optics . Optional Littrow / Ebert
- Automatic calibration detection with correction
- Original 30.0×30.0 Holographic Diffraction blazed at 250 nm grating with ruling density of 1800 lines/mm covers wave length 185– 900nm, Wavelength accuracy reproducibility of +/-0.05nm
- Wave length repeatability 0.05 nm, Resolution 0.05 nm
- Wavelength automatic peak searching, optimization
- Front-surfaced, reflective optics with protective coating to ensures years of service with minimal loss of transmittance
- Wide focal length 330.0mm. Special focal length optional.
- Continuously variable spectral bandwidth from 0.2nm to 1.0nm with step size of 0.1nm or better, dispersion less than 1.6nm/mm
- Baseline stability +0.005Abs /30min,
- Detector wide range Photomultiplier tube/ CCD optional
Atomizer
| Software controlled Horizontal, Vertical, and Angular movement of burner positionPTEF inert atomizer for both flame and VGA; accommodating Titanium 100mm Air-Acetylene burner &50mm Nitrous Oxide – Acetylene burnerNebulizer: High efficiency adjustable nebulizer with chamber made of engineering plastic PTEF. Platinum-Iridium orifice and impact ceramic bead. |
Push Fit burner
| Gas Box System – Automatic Standard automatic digital glow controlled gas box with oxidant and fuel monitoring Automatic ignition and extinguishing Minimum acetylene flow is boosted prior to the oxidant change when switching from Nitrous oxide – Acetylene operationFully software controlled with oxidant and fuel monitoring Inbuilt safety interlocks such as correct burner, oxidant and fuel pressure , liquid level in drain, flame detectionSafe shutdown from all operating modes even in case of sudden power failureFlame door lockReal time flame monitoringFlash back arrestorBurner type sensorDrain monitoring with continuous monitoring on both end stopsPressure monitoring on all linesBurner hear presence detectorInternal Fan Sensor, Vibration sensorOptional: Dual flow meter gas control box with safe, sturdy and independent flow controller with oxidant and fuel monitoring |
Hydride generator accessory:
Auto sampler:
AAS Flame auto sampler with dual tray each can take 67 vials.. Independent sample and standard locations. Connects to instrument directly, Easy removal and reloading of tray, via CSVS file, from other position option available
AAS Furnace auto sampler-
Graphite Furnace: Sample dispenser is an essential component of system, dispenses up to 90 µL in increment of 1 µL. It accommodates 135 vials
Very fast & precisely controlled atomization Superior signal to noise ratio with Deuterium background correction. Minimal running cost. Gas consummation due to Special cavity design Auto sample dispenser with user friendly programmable method development. The temperature range of ambient to 3000° C is computer controlled with a maximum ramp rate of 2000°C/sec. It is an automated graphite furnace system used with MOTRAS AAS PLUS atomic absorption spectrophotometer. The Unit is stand-alone configuration consists of Atomic absorption spectrophotometer, Graphite tube power supply atomizer head, sample dispenser and software. Sample dispenser is an essential component of system, dispenses up to 90 µL in increment of 1 µL. It accommodates 135 vials.
Main unit Basic
| Optics | |
| Wavelength range | 185.0 to 930.0 nm standard (Optional upto 175nm, argon pursing required for 175- 190 nm) |
| Monochromator | Czerny-Turner mounting blazed holographic grating, 330 mm focal length. Wave length accuracy 0.05nm (Optional- Customized focal length & mounting Littrow/Ebert) Narrow optics fiber compatible. |
| Bandwidth | 0.1, 0.2, 0.5, 0.7, 1.0, 1.2,1.5, 2.0 nm or more (8-step automatic switching) |
| Detector | Real time double-beam optical system, separate sample & reference beam in flame mode & Furnace: High-throughput single beam |
| Background correction method | · BGC-D2 (D2 lamp method) (185.0 to 440.0 nm) · BGC-SR (high-speed self-reversal method) (185.0 to 900.0 nm) Optional; Zeeman for furnace 190-900nm. |
| Number of HC lamps socket | 8 lamps turret ,· 2 lamps simultaneously lit (1 for measurement, & 1 warming up for next measurement) Optional : 10 lamp turret. |
| Lamp mode | EMISSION, NON-BGC, BGC-D2, BGC-SR |
| Software requirements | Microsoft Windows 7 and above |
| Parameter setting | Wizard method |
| Measurement mode | Flame continuous method, same micro sampling method, furnace method, same emission method |
| Concentration conversion mode | Calibration curve method (order: 1st, 2nd, 3rd) · Standard addition method, simple standard addition method (order: 1st) |
| Repeat analysis | Up to 20 repetitions. Mean value, standard deviation (SD) and coefficient of variation (RSD) display Automatic exclusion of deviant values by setting SD and %RSD |
| Baseline correction | Automatic correction of baseline drift by offset Correction in peak height / peak area modes. |
| Sensitivity correction | Automatic calibration curve correction function using sensitivity monitoring |
| Output signal | 2 channels,(atomic absorption/energy signal, background signal) Output range: 5.0, 2.5, 1.25, 0.625 Abs./V |
| Tabular data Processing | Final concentration calculations based on sampled volume, dilution rate, ‑fixed volume, and factor inputs |
| Recall of parameters | Template functions available |
| Procedure/result display | Measurement Results Table worksheet |
| Report generation | Summary report |
| Data treatment QA/QC | Select whether to continue or discontinue measurements based on results of evaluation on coefficient of correlation, % RSD, ICV.ICB, CCV.CCB, PB, LCS, SPK, PDS. |
| Re-analysis | · Prescriptive and intelligent dilution options. · Automatic dilution and re-analysis of micro sampling method, furnace method) |
| Digital safety password control | · Management by login ID and password · Control user access authority by user level · Log record · Audit trail · Electronic signatures |
| Burner Unit | |
| Type | Air-cooled pre-mix type |
| Burner head | Titanium 10 cm slot (5 cm titanium slot for N2O-C2H2 flame available as an option) |
| Nebulizer | · Pt-lr capillary,· PTFE orifice· Ceramic impact bead (capable of handling hydrofluoric acid) |
| Chamber | Engineering plastics PTFE (Poly Tetra Fluor Ethylene) |
| Positioning | All three direction, Vertical, Lateral, & angular movement (Motorized optional) |
| Type of flame | Air-C2H2 flame, N2O-C2H2 flame Auto Changeover |
| Automatic Gas control | |
| Flow rate control | Automatic fuel gas flow rate setting |
| Safety Measures | · Automatic flame extinction via flame vibration detected digitally. · Acetylene regulator failure sensor · Automatic gas leak check · Automatic Air-N2O switching as C2H2 flow rate increases · Flame monitor · Prevention of incorrect burner head use · Gas pressure monitor · Drain tank level monitor · Automatic flame extinction upon power outage or sudden power interruption · Internal fan stop sensor, Built in Flashback arrester |
| Power requirements | 230 + 10% VAC, 500 VA,50/60 Hz |
| Dimensions and Weight | · AAS PLUS-865 (L) 525 (W) 410 (H) Wt.65 Kg GTA Power supply 440 W × 360 D ×540H mm, 60 kg |
| Working temperature & humidity | 10 to 40 °C, 20 to 80% |
| Operating system | Microsoft Windows 10 Pro |
| I/O port | USB 2.0 port Optional : 10 inch color graphic touch screen |
| Peripheral device | Extra items – PC , Monitor, keyboard, mouse, printer ,UPS |
| Furnace MS GTA 450) | |
| Heating temperature range | · Ambient to 3,000 °C |
| Heating control system | Drying: Digital current control with automatic temperature calibration function ·Ashing, Atomization, Cleaning : Digital feedback temperature control, |
| Heating control setting | Maximum 21 stages · Heating mode: RAMP/STEP · Inner gas type: automatic switching type · High-sensitivity mode setting · Optimum temperature program find support function · Inner gas flow rate: 0 to 1.50 L/min |
| Safety measures | · Cooling water flow rate monitor · Gas pressure monitor · Over current protection unit circuit protector and · Furnace block cooling check · Heat protection function provided |
| Power requirements | 230 + 10% VAC 6500 VA,50/60 Hz |
| Dimensions and weight | 440 W × 360 D ×540H mm, 60 kg |
| Auto sampler basic Specifications | |
| Control | USB -2 communication control from AA unit |
| Maximum reagent / sample positions | Flame Reagents: 7 positions Samples: 60 positions dual tray (random access available with reagents or samples) |
| Rinse water bottle | 2 L/ 1 L |
| Power requirements | 230 + 10% VAC 500 VA,50/60 Hz |
| Flame Continuous Method | |
| Functions | Zero-point detection, auto diagnosis, auto rinse, random access |
| Sample volume | Sample vials: 20 mL, reagent vials: 25 mL |
| Nozzle rinse | Solvent rinse aspiration method |
| Dimensions and weight | Sampler: 340 W × 280 D × 270 H mm, 8 kg Controller (including stand): 400W ×290 D ×450H mm,15 kg |
| Furnace Method / Flame Micro Sampling Method | |
| Functions | Zero-point detection, auto diagnosis, auto rinse, auto mixing, random access |
| Sample volume | Sample vials: 3 mL, reagent vials: 5 mL,135 vials capacity |
| Nozzle rinse | Solvent rinse discharge method |
| Sampling functions | Dilution function, reagent addition function |
| Syringe | 100 μL |
| Injection volume | 2 to 90 μL |
| Repeatability | 1% RSD (20 μL) |
| Carryover | Rinse port: Less than 0.0001 Mixing port: Less than 0.00001 |
| Mixing port rinse | Solvent rinse discharge method, solvent discharge and rinse with next sample |
| Mixing function | Performed in mixing port. Maximum mixture volume: 0.8 mL |
| Maximum number of mixing reagents added | Up to 3 solutions Number of solutions possible for mixing Calibration curve method: 5 solutions max. (sample + 4 types of reagents) Standard addition method: 6 solutions max. (sample + standard solution + 4 types of reagents) |
| Auto dilution / re-analysis | For measurement result on unknown samples: · If extrapolation of calibration curve is possible: automatic calculation of dilution rate and dilution to bring concentration within calibration curve range· If extrapolation of calibration curve is not possible: dilution rate fixed at 10x |
| Dimensions and weight | Sampler 530 W ×390D ×470 H mm, 20 kg, |
| Hollow Cathode Lamps. | Ag,Al,As,,Au,B,Ba, Be, Bi, ,Ca, Cd, Co, Cr, Cs, Cu, Dy, Er,, Eu, Fe, Ga, Gd, Ge, Hf, Hg, Ho, In, Ir,K, La ,Li, Lu, Mg, Mn, Mo, Na, Nb, Nd, Ni, Os ,P,, Pb, Pd, Pr, Pt, Rb, Re, Rh,Ru, Sb, Sc, Se, Si, Sm, Sn, Sr, Ta, Tb, Te, Ti, Tl, Tm, U ,V ,W, Y, Yb, Zn, Zr |
| Installation accessories | High purity Acetylene gas filled cylinder with regulator, Nitrous Oxide Gas filled cylinder with heated gas regulator, High purity Argon Gas filled Cylinder with regulator, Oil free compressor, Gas purifier panels, Exhaust hood & vent assembly. SS pipe fitting. |
- OEM reserve right to modify parameters for improved results without notice. .