BIIC-Tech is a leading measurement company in China now,
dedicated to high-end analytical measuring instruments
Hot Products
Contact us
China WFX-320 Flame Atomic Absorption Spectrophotometer - Leading Suppliers & Factory Solutions for Precision Analysis
Features
-
High cost-effective flame AAS Reasonable design, adopting the same key parts as in high end instruments, ensures basic functions but less automation to provide an economic model for users.
-
Reliable integration of main unit with microprocessor Built-in microprocessor with necessary auto-control and data processing functions achieve high reliability of the instrument.
-
Simple and easy operation Eye-catching digital display, multi-function data processing ability and fast function-key direct input realize easy and fast analysis.
Specifications
| Main Specifications | Wavelength range | 190-900nm |
| Wavelength accuracy | ±0.5nm | |
| Resolution | Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2nm and valley-peak energy ratio less than 30% | |
| Baseline stability | 0.005A/30min | |
| Background correction | The D2 lamp background correction capability at 1A is better than 30 times | |
| Light Source System | 2 lamps are powered simultaneously (one preheating) | |
| Lamp current adjustment range: 0-20mA | ||
| Lamp power supply mode | Powered by 400Hz square pulse | |
| Optical System | Monochromator | Single beam, Czerny-Turner design grating monochromator |
| Grating | 1800 l/mm | |
| Focal length | 277mm | |
| Blazed wavelength | 250nm | |
| Spectral bandwidth | 0.1 nm, 0.2nm, 0.4nm, 1.2nm — 4 steps | |
| Adjustment | Manual adjustment for wavelength and slit | |
| Flame Atomizer | Burner | 10cm single slot all-titanium burner |
| Spray chamber | Corrosion resistant all-plastic spray chamber | |
| Nebulizer | High efficiency glass nebulizer with metal sleeve, sucking up rate: 6-7ml/min | |
| Position adjustment | Manual adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner | |
| Gas line protection | Fuel gas leakage alarm | |
| Detection and Data Processing System | Detector | R928 Photomultiplier with high sensitivity and wide spectral range |
| Electronic and micro-computer system | Automatic adjustment of light source power. Light energy and negative high-voltage auto-balance | |
| Display mode | LED display of energy and measurement values, concentration direct reading | |
| Read mode | Transient, time average, peak height, peak area. Integral time is selectable in the range of 0.1-19.9s. | |
| Scale expansion | 0.1-99 | |
| Data processing mode | Automatic calculation of mean, standard deviation and relative standard deviation. Repeating number is in the range of 1-99 | |
| Measurement mode | Automatic curve fitting with 3-7 standards; Sensitivity auto-correction | |
| Result printing | Measurement data, working curve, signal profile and analytical conditions can all be printed out. | |
| Instrument self-check | Check status of each function key | |
| Characteristic Concentration and Detection Limit | Air-C2H2 flame | Cu: Characteristic concentration ≦ 0.025mg/L, Detection limit ≦ 0.006mg/L |
| Function Expansion | Hydride vapor generator can be connected for hydride analysis | |
| Dimensions and Weight | 1020x490x540mm, 80kg unpacked | |
Frequently Asked Questions
Q
What is the wavelength range of this flame AAS instrument?
The instrument covers a wavelength range of 190–900nm, making it suitable for the analysis of a wide variety of elements across both UV and visible spectral regions.
Q
What type of burner and nebulizer does this AAS system use?
The system features a 10cm single slot all-titanium burner paired with a high efficiency glass nebulizer with a metal sleeve. The nebulizer has a sucking-up rate of 6–7 ml/min, ensuring stable and efficient sample introduction.
Q
Does the instrument support background correction?
Yes. The instrument is equipped with a D2 lamp background correction system. At 1A absorbance, the background correction capability is better than 30 times, ensuring accurate analytical results even in complex sample matrices.
Q
Can this instrument be expanded for hydride analysis?
Yes. The instrument supports function expansion — a hydride vapor generator can be connected to the system, enabling hydride generation atomic absorption analysis for elements such as arsenic, selenium, and mercury.
Q
What are the data processing capabilities of this AAS instrument?
The built-in microprocessor supports automatic calculation of mean, standard deviation, and relative standard deviation (with repeating number selectable from 1–99). It also features automatic curve fitting with 3–7 standards, sensitivity auto-correction, and the ability to print measurement data, working curves, signal profiles, and analytical conditions.
Q
What are the dimensions and weight of the instrument?
The instrument measures 1020 × 490 × 540mm and weighs 80kg unpacked. Please ensure adequate bench space and structural support when planning the installation environment.