Spectrophotometer

Wavelength range

190 to 900 nm

Mounting

Aberration corrected Czerny-Turner mounting

Bandwidth

0.1, 0.2, 0.5, 1.0, 2.0, 5.0 nm (6-step automatic)

Lamp

Number of HC lamps

8-lamp turret, 2 lamps simultaneously lit (1 for measurement and 1 warming up for next measurement)

Background correction

BGC-SR (high-speed self-reversal method) and BGC-D ₂ (D2 lamp method;high-speed, dual-frequency simultaneous measurement)

Lamp mode

Emission, Non-BGC, BGC-SR, BGC-D ₂ and D ₂

HC lamp database

Lamps in use may be registered for tracking their hours in use.

Data processing

Software requirements

MS-Windows Ver 3.10 or later

Operational parameter display

MDI (Multiple Document Interface) method

Window sizes

Automatic adjustment by Quick View functions

Measurement mode

Flame continuous, flame microsampling, and furnace modes

Concentration computation

Calibration curve method (choice of 1st, 2nd, and 3rd order functions), Standard addition method (1st order function)

Repeat analysis

Up to 100 repetitions. Mean value, standard deviation (S.D.) and coefficient of variation (C.V) displayed.

Automatic exclusion of deviant values by setting S.D. and C.V.

Baseline correction

Automatic drift correction using electrical double beam signal processing in both flame microsampling and furnace modes.

Sensitivity correction

Recalculation after drift correction

Tabular data processing

Calculation of final concentrations from sample volumes, dilution ratios, fill-up volumes in sample dissolution factors.

Multitasking

Spreadsheet software or word processing software may be executed during measurement.

Recall of operational parameters

Template functions available.

Procedure/result display

Concentrated MRT (Measured Result Table) system

Report generation

Quick report, Run time report, and Summary report

Power requirements

100, 120, 220, 240 VAC, switch selectable. 50/60 Hz. 600 VA.

The computer and its peripherals require additional power.

Dimensions and weight

1080 W x 550 D x 460 H mm, 100 kg (including the gas controller and not including the computer and its peripherals)

Burner Unit

Type

Air cooled premix type

Burner head

Stainless steel (titanium optional)

Nebulizer

Pt-Ir capillary with Teflon orifice

Chamber

Polypropylene

Positioning

Automatic search of optimum burner height (AA-6701/6701 F)

Automatic flame-furnace switching by motor (AA-6701/6701 F)

Gas Control

Flow rate/pressure control

Automatic control and automatic optimization

Safety measures

Automatic gas leak check, Air-C ₂ H ₂ flame priority ignition, Air-N ₂ 0 automatic changeover with flow rate monitor using optical sensor, Prevents flowing out of unburnt fuel, Prevents usage of wrong burner head, Flashback prevention with pressure monitor, Automatic flame extinction when power failure, even an instantaneous one, occurs., Drain tank monitor to prevent flashback

Heating temperature range

Ambient to 3000°C

Heating control

Drying: Current control with automatic temperature calibration

Ashing/atomization: Temperature control with optical sensor

Heating conditions

Up to 20 stage, programming; RAMP and STEP, heating modes; choice of two, inner gases; high sensitivity mode available; up to 20 times, concentration boosting in the furnace; 0 to 1.5L/min. inner gas flow rate setting in 0.1 L/min. increments

Cooling water/argon gas consumption

Cooling water: 1.0 L/min. or higher, Argon: 3.0 L/min. maximum

Power requirements

200 VAC, 50/60 Hz, 6 kVA max.

Dimensions and weight of power supply unit

642W x 247D x 460H mm, 44 kg (to be placed in the rear space of the AA main; no additional space required. )

Guaranteed Sensitivity

Flame analysis

Furnace analysis

Abs

0.45 Abs. for 4 ppm Cu

0.18 Abs. for 20 µL of 1 ppb Mn

Personal Computer Requirements

OS: DOS, MS-Windows ver 3.10, CPU: 80486DX-33 or higher,

CRT: VGA or higher, RAM: 8 Mbyte or larger,

Hard disk: 120 Mbyte or larger, 3.5" Floppy disk drive: One or more units