HKL-8288 AAS for Determination of metal elements in water quality
Overview
HKL-8288 AAS for Determination of metal elements in water quality conforms to the ISO 8288 Water quality — Determination of cobalt, nickel, copper, zinc, cadmium and lead — Flame atomic absorption spectrometric methods. This International Standard specifies three methods for the determination of cobalt, nickel, copper, zinc, cadmium and lead in water by flame atomic absorption spectrometry.
Section one: method A, for direct determination by flame atomic absorption spectrometry.
Section two: method B, for determination by flame atomic absorption spectrometry after chelation (APDC) and extraction (MIBK).
Section three: method C, for determination by flame atomic absorption spectrometry after chelation (HMA-HMDC) and extraction (DIPK-xylene).
Operating Environment
Power Supply: 220V (±5% to -10%), 50/60Hz, 5000VA
Temperature Control Range: +15°C to +35°C
Relative Humidity: 20% to 80%
Technical Parameters
Optical System
1) Grating Ruling: ≥1800 lines/mm.
2) Effective Grating Ruled Area: ≥50x50 mm2.
3) Wavelength Range: 190-900 nm.
4) Spectral Bandwidth: Five automatically adjustable settings (0.1, 0.2, 0.4, 1.0, 2.0 nm), with automatic wavelength slit width and energy calibration.
5) Wavelength Accuracy: ≤0.15 nm; Wavelength Repeatability: ±0.1 nm.
6) Baseline Drift: Static ≤±0.002 A/30 minutes, Dynamic ≤±0.005 A/30 minutes.
7) Instrument Spectral Resolution: Able to distinctly differentiate the manganese doublet (279.5 nm and 279.8 nm), having a spectral bandpass of 0.2 nm/mm and a peak-to-valley energy ratio between the doublet lines of ≤ 30%.
8) Light Source: Six-lamp auto-switching turret with automatic alignment.
9) Lamp Current Setting: 0-30 mA, computer-controlled.
10)High-Performance Power Supply: Built-in high-performance dual-cathode lamp power supply.
Flame Atomizer
1) Characteristic Concentration (Cu): 0.015 μg/ml/1%
2) Detection Limit (Cu): 0.002 μg/ml
3) Precision: RSD ≤ 0.5%
4) Burner: Titanium burner, compatible with 50mm or 100mm burner.
5) Nebulizer: Pt-Ir capillary, Teflon nozzle, ceramic impact bead (suitable for hydrofluoric acid use).
6) Nebulization Chamber: Explosion-proof Corrosion-resistant Nebulization Chamber
7) Ignition Method: Microcomputer-controlled automatic ignition.
8) Gas Control: Fully automatic gas control system.
9) Adjustment System: Fully automatic PC-controlled flame/graphite furnace auto-switching with auto-optimization.
10) Safety Features: Interlocking safety mechanism built-in, Protection of gas path against flashback, Acetylene leakage detection and auto shutoff, Auto power cut off in case of unusual operation.
Graphite Furnace Atomizer
1) Characteristic Mass (Cd): 0.5×10-12 g
2) Detection Limit (Cd): 0.4×10-12 g
3) Precision: RSD ≤ 3%
4) Heating Mode: Longitudinal heating
5)Integrated Safety Features: The system offers a holistic protection for essential parameters such as water flow rate, water temperature, and gas pressure. Besides, it is equipped with safety measures that detect poor graphite tube contact, overcurrent situations, and power alarm incidents.
6) The switching between the flame and graphite furnace techniques is fully automated and software-controlled on an electric platform, which means that it does not require any manual disassembly.
7) Complete temperature control is possible via programming (Ambient to 3000°C). This facility features 20-step profiling and 4 ramp rates are user-selectable. Besides, it is possible to carry out a maximum of 20 in-furnace enrichment cycles, coupled with continuous longitudinal pyrometric monitoring of the graphite tube inner surface.
Background Correction
1) Flame: Deuterium lamp + self-reversal background correction (capable of correcting up to 1A background)
2) Graphite Furnace: Deuterium lamp + self-reversal background correction (capable of correcting up to 1A background)
Data Processing
1) Measurement Modes
Flame, Hydride Generation, and Graphite Furnace modes
2) Concentration Calculation Methods
Standard Curve Method (1st to 3rd order, automatic regression) and Standard Addition Method
3) Replicate Measurement
Make 1–99 identical runs and automatically compute mean, standard deviation (SD) and relative standard deviation (RSD).
4) Result Output
Printing parameter, report printing, graphical output printing and data export in WORD/EXCEL formats.
5) User Interface
English user interface, software automatically controls and Switches between flame and graphite furnace atomizers
6) Communication Interface
USB port for instrument-to-PC communication
Autosampler
1) Sample tray arrangement: Has room for 130 sample cups (2 mL), 6 × 25 mL cups for stock solutions, blank solutions, and matrix modifiers, also 500 mL wash and waste bottles.
2) This feature provides an option for random arrangement by allowing sample and reagent cups to be designated freely. After completing the program settings the system can be operated for fully automated analysis.
3) Automated Preparation of Calibration Curves: Automatically prepares at least three standard solutions of different concentrations from a single stock solution and directly injects them into the graphite tube. (On-line dilution function is not available.)
4) Minimum amount of injection volume: 1µL (0.1µL increments), maximum injection volume: 100µL (with analysis precision over 1% for 10µL–100µL range).
5) Automatic long-term memory of syringe position with 50μm precision.
6) Graphite tube orifice fine adjustment range: ＞ ±5mm.
7) Completely automated standard addition method, support up to 20 standard samples.
8) Wash mode: Carry out internal and external washing at the same time with wash time and cycles configurable.
9) Automatically starts the graphite furnace heating program after all solutions are injected.
FAQ
Q1: What standards does this product (HKL-8288 AAS for Determination of metal elements in water quality) comply with?
A:HKL-8288 AAS for Determination of metal elements in water quality conforms to the ISO 8288 Water quality — Determination of cobalt, nickel, copper, zinc, cadmium and lead — Flame atomic absorption spectrometric methods. This International Standard specifies three methods for the determination of cobalt, nickel, copper, zinc, cadmium and lead in water by flame atomic absorption spectrometry.
Q2: What is the working principle of HKL-8288 AAS for Determination of metal elements in water quality?
A:Aspiration into the flame of an atomic absorption spectrometer of a test portion of the acidified filtrate of the sample (or diluted sample). Direct determination of the concentration of each element, either from the specific absorbance of each element using a spectrometer fitted with a continuous background correction system, or, in the absence of such a system, after having carried out a correction for non-specific absorbance.
Q3: What types of instruments does your company mainly provide?
A: Hello! We specialize in fields such as life science analysis, environmental monitoring, and industrial automation control. Our main products include gas chromatographs, viscometers, spectrometers, centrifuges, etc. If you want, you can check out the categories and technical parameters in our Product Center on our official website.
Q4: Are there any discounts available if the purchase is large or wholesale?
A: Certainly, we provide very attractive price levels differentiated by quantity along with additional benefits for bulk buyers (for instance university central purchasing, entire laboratory installations, OEM productions, and channel distributors).
Q5: Do those technical parameters on the product description page represent a final set of data? Is there a more comprehensive technical specification document accessible?
A: The parameters on the page are general specifications only. Because of differences in configurations and model, the exact performance data for each unit could be different. Please get in touch with us straight away, and we will email you the most recent and detailed official specification sheet for that particular model.
About us
Hong Kong Laboratory Technology Limited has been a dependable partner in the instrumentation industry since 2018. Over the past eight years, we have built a robust network, helping over 500 clients through the exclusive representation of more than 50 internationally acclaimed brands. We use our deep experience of the industry to provide a complete supply chain service from the initial Research and Development phase to the finished product, all supported by a rigorous quality management system. Our primary instruments are designed to comply with the top global standards (ISO 9001, ASTM, IP), and we carry out frequent calibration of them according to ISO/IEC 17025 standards to ensure precision and reliability. We are committed to help innovation and assure safety by providing our instruments to various sectors including research institutes, petrochemical and mining industries, healthcare facilities, and environmental agencies.
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International Certification
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ISO 9001 Certification | ASTM Certificate |
